Materials of IJN (Constructor section)

Constructor section

Originally Engineer, cradle era

Constructor General

1886 commissioned

Constructor Genreal senior grade	Saso, Sachu
Rear admirals (constructor)	Akamine, Gosaku	Kurobe, Hiroki
	Kurokawa, Yukuma	Yamaguchi, Tatsuya

1888 commissined

Vice-admiral (constructor)	Asaoka, Mitsutoshi	Fukuda, Umanosuke
Rear admirals (constructor)	Koyama, Kichiro	Matsuo, Tsurutaro
	Takagi, Tachisaburo

1889 commissioned

Rear admiral (constructor)

Obata, Bunzaburo

1890 commissioned

Vice-admiral (constructor)

Kondo, Motoki

1893 commissioned

Vice-admirals (constructor)	Yamada, Saku	Yamamoto, Kaizo
Rear admiral (constructor)	Shirai, Yorikichi

1899 commissioned

Vice-admirals (constructor)	Nonaka, Sueo	Okubo, Tatsu
Rear admirals (constructor)	Fujita, Masuzo	Iwano, Naohide

1900 commissioned

Vice-admiral (constructor)	Suzuki, Keiji
Rear admiral (constructor)	Iwano, Seiichiro

1901 commissioned

Vice-admiral (constructor)	Hiraga, Yuzuru
Rear admirals (constructor)	Shinjo, Saneuji	Suwa, Koguma
	Tokai, Yuzo

1902 commissioned

Vice-admiral (constructor)	Isozaki, Seikichi
Rear admirals (constructor)	Arita, Nobu	Fukui, Junpei
	Iwasa, Shoichi

1904 commissioned

Vice-admiral (constructor)

Nagamura, Kiyoshi

1905 commissioned

Rear admirals (constructor)

Sakaya, Kazuo

Yamaguchi, Tokujiro

1906 commissioned

Vice-admiral (constructor)	Tamazawa, Akira
Rear admiral (constructor)	Shiomi, Wataro

1907 commissioned

Vice-admiral (constructor)	Yamamoto, Mikinosuke
Rear admiral (constructor)	Kubo, Tsunahiko

1908 commissioned

Rear admirals (constructor)

Nakagawa, Susumu

Sassa, Hatsuki

1909 commissioned

Vice-admiral (constructor)	Kawahigashi, Takushiro
Rear admiral (constructor)	Yatsushiro, Hitoshi

1910 commissioned

Vice-admiral (constructor)	Ikeda, Taiichi
Rear admiral (constructor)	Hozumi, Ritsunosuke

1911 commissioned

Vice-admirals (constructor)	Kuwabara, Shigeharu	Suzuki, Kakuji
Rear admiral (constructor)	Fujimoto, Kikuo
Lieutenant commander (constructor)	Taji, Yasushi

1912 commissioned

Vice-admiral (constructor)	Masaki, Nobutsune
Rear admiral (constructor)	Hashiguchi, Yasutaka

1914 commissioned

Vice-admiral (constructor)

Fukuda, Keiji

1915 commissioned

Vice-admiral (technical)	Niwata, Shozo
Rear admiral (constructor)	Murakami, Yoshitsugu

1916 commissioned

Vice-admiral (technical)	Tokugawa, Takesada
Rear admiral (constructor)	Watanabe, Takeo

1917 commissioned

Vice-admiral (technical)

Ezaki, Iwakichi

1918 commissioned

Vice-admiral (technical)	Fukuda, Tadashi
Rear admiral (constructor)	Watanabe, Ryukichi

1919 commissioned

Rear admirals (technical)	Katayama, Ariki	Saito, Rokuro
	Yoshii, Kazuo

1920 commissioned

Rear admirals (technical)	Idebuchi, Tatsumi	Masukata, Narazaburo
	Yagasaki, Masatsune

1921 commissioned

Captain (technical)

Nishimura, Yahei

1922 commissioned

Rear admiral (technical)

Oda, Katsuji

1925 commissioned

Captain (technical)

Makino, Shigeru

1928 commissioned

Captain (technical)

Matsumoto, Kitaro

1932 commissioned

Captain (technical)

Tomonaga, Takeo

1938 commissioned

Lieutenant commander
(technical)

Fukui, Shizuo

Oki, Harukichi	Tokyo
Constructor general

Date	Rank	Job
1859. 5. 4		born
		Study in Fr
1872. 9. 2		Cadet, Nav.Academy
1874.10.27		Eng.Cadet
1878. 9. 6		Crew, Fuso
1879. 4.15		Study in Nav.Academy
1879. 8. 9	E/MID
1879. 9.18		Crew, Fuso
1879. 9.20		Crew, Ryujo
1881.11.19		Graduate from Nav.Academy
1882. 6. 7	E/MID
1882. 7.26		Member, B-Ship, DoN
1882.11. 4	E/SUBLT
1885. 6.20	E/LTJG
1886. 1.29		Staff, S-Eng, B-Ship, DoN
1886. 3.20		Eng.Inst, Eng.Academy / VChief Trainer, Eng.Academy
1886. 4.12		Staff, S-Supply, B-Ship, DoN
1886. 7.13	E/LT
1887. 6.14	T/LT
1887. 6.16		Staff, B-Prod, Onohama SB
1889. 3. 9		VChief, S2, B2, DoN
1890. 1.10		EO, Chishima (Trip to Fr)
1890. 2.19		EO, Chitose / EO, 79t torpedo boat
1890.10.28		SVC
1892. 4.15		Order of Return
1892.11.25		Staff, S-Prod, B-Shipbuild, Yokosuka ND
1893. 5.20		Staff, S3, B-NA, DoN
1894. 1.10	T/LCDR
1896. 4. 1	C/LCDR
1896. 4. 8		SVC
1896. 4.13		SVC (Resident in Fr, Ger)
1897.12. 1	C/CMDR
1898.10. 1	C/CAPT
1900. 6.28		Order of Return
1900.10.18		Chief, S-EngConst, Yokosuka SBYd / Inst, Nav.College
1901. 3.18		Chief, S-EngConst, Yokosuka SBYd / Inst, Nav.College / Inst, Eng.Academy
1901. 5.31		Wait
1901.10.25		Att, NSC (B4)
1902.11.28		Staff, NSC (B4)
1904. 2.11		Staff, NSC (B4) / Staff, B-NA, JGS-N
1905. 6.27		Chief, B-EngConst, Sasebo NYd
1906.11.24	C/GEN
1911. 4.10		Wait
1912. 4.10	Resv
1917. 5. 4	Resv 2
1919. 9.23	RADM/C
1922. 5. 4	Ret
1922.11.17		died (63)

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Saso, Sachu	Ishikawa	Study in UK
Constructor general senior grade

Date	Rank	Other title	Job
1852. 4.15			born
		4th Medal
1869.12.28			Cadet, Nav.Academy
1871. 2.			Trip to UK
1878. 5.22			Return
1878. 7. 1			Member, DoN / Member, Yokosuka SB
1879. 1.18	E/LTJG
1879.12. 5	T/LCDR
1879.12. 8			Chief, S-Shipbuild, SBYd
1879.12.12			Chief, S-Shipbuild, B-Ship, DoN
1883. 1.13			Trip to UK, Fr, Ger
1883.12.15	T/LCDR		Chief, S-Shipbuild, B-Ship, DoN
1884.12.25			Return
1886. 1.29			Chief, S-Shipbuild, B-Ship, DoN
1886. 2.24			Chief, S-Shipbuild, B-Ship, DoN / Member, Shipbuilding Committee
1886. 5. 8	Navy Engineer 2		Chief, S-Shipbuild, B-Ship, DoN / Member, Shipbuilding Committee
1886.11. 9	T/CAPT
1889. 3. 9			Chief, S2, B2, DoN / Vice Secretary, Shipbuilding Committee
1889. 5.29			Chief, B-Shipbuild, Yokosuka ND
1892. 1.26			Chief, S2, B2, DoN
1893. 5.20			Chief, S3, B-NA, DoN
1896. 4. 1	C/CAPT
1896. 5.27			Chief, S3, B-NA, DoN / Staff, Temp.B-Const, DoN
1897. 4. 1			Chief, S-Shipbuild, B-NA, DoN
1897.12.28	C/GEN
1897.12.28		Eng.Dr
1899. 3.29			Chief, S-Shipbuild, B-NA, DoN / SVC (Trip to Europe, USA)
1899.10. 3			Order of Return
1899.12. 9			Chief, S-Shipbuild, B-NA, DoN
1900. 5.20			Chief, B3, NSC
1904. 2. 1	C/GEN1
1905.10. 9			died (54)
1907.10. 2		Baron 3rd Medal

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Akamine, Gosaku	Kumamoto	Study in UK
Constructor general

Date	Rank	Other title	Job
1847. 2.10			born
		4th Medal
1869.11.			Work in Nav.Academy
1871. 2.22			Trip to UK
1878. 6.			Return
1878. 8. 5			Member, DoN
1878. 8.10			Member, Yokosuka SB
1878.12.27	E/LTJG
1879.12. 5	T/LCDR
1879.12. 8			VChief, S-Mech, SBYd
1880.12.21			Chief, S-Mech, SBYd
1883. 5.22			Chief, S-Mech, SBYd / B-Ship, DoN
1883. 5.30			Chief, S-Mech, SBYd / B-Ship, DoN / TInsp, Shipping
1883.12.15	T/LCDR		Chief, S-Mech, Yokosuka SB / B-Ship, DoN
1884.12.25			Chief, S-Mech, Yokosuka SB / Staff, B-Insp, Yokosuka SB
1886. 2.24			Chief, S-Const, Yokosuka SB / Staff, S-Mech, Yokosuka SB
1886. 5. 8	Navy Engineer 2
1886. 9.14			Staff, S-Mech, B-Shipbuild, Yokosuka ND / Chief, S-Const, Yokosuka SB / Staff, Mech, S-Const, Yokosuka SB
1886.11. 9	T/CAPT
1889. 5.20			VChief, B-Shipbuild, Kure ND
1889. 5.29			Chief, B-Shipbuild, Kure ND
1896. 4. 1	C/CAPT
1897.10. 8			Dir, Kure SBYd
1897.12. 3			Wait
1898. 5.16	C/GEN Resv
1907. 6.20	Resv 2
1912. 6.20	Ret
1919. 9.23	RADM/C
1924. 6.25			died (78)

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Kurobe, Hiroki	Fukuoka
Constructor general

Date	Rank	Other title	Job
1857.11.13			born
		4th Medal 3rd Medal
1885. 3.16			Member, DoN / Member, B-Ship, DoN (S-Eng)
1885. 4. 9			Member, DoN / Member, B-Ship, DoN (S-Eng) / Staff, University of Tokyo
1885.11. 5			Member, DoN / Member, B-Ship, DoN (S-Eng) / Staff, University of Tokyo / Member, Nav.Academy
1886. 1.31			Member, DoN / Member, B-Ship, DoN (S-Eng) / Staff, University of Tokyo
1886. 2.12	T/LT
1886. 2.13			Staff, S-Eng, B-Ship, DoN / Member, Nav.Academy
1886. 3.27			S-Eng, B-Ship, DoN
1886. 5. 8	Navy Engineer 4		S-Eng, B-Ship, DoN / Member, Nav.Academy
1886. 6.19			S-Eng, B-Ship, DoN
1886.11. 9	T/LT
1886.11.11			Staff, S-Eng, B-Ship, DoN
1887.10.28			Trip to UK
1890. 9.17	T/LCDR		Trip to UK, Fr, Ger
1890.10.28			SVC
1891. 6. 4			Order of Return
1891. 8.16			VChief, S2, B2, DoN
1893. 5.20			Chief, S-EngConst, B-Shipbuild, Yokosuka ND
1894.12. 5			Dir, NF, Ryojun aBg
1896. 1.15			Chief, S-EngConst, B-Shipbuild, Yokosuka ND
1896. 4. 1	C/LCDR
1897. 3.24			SVC
1897. 3.25			Trip to UK
1897. 4. 1	C/CAPT
1901. 1.23			Order of Return
1901. 5.31			Dir, Yokosuka SBYd / Chief, S-EngConst, Yokosuka SBYd
1901.10.25			Dir, Yokosuka SBYd
1903.11.10			Chief, B-EngConst, Yokosuka NYd
1904. 9. 1	C/GEN
1908. 3. 6			Att, NSC (B4)
1908. 8.28			Wait
1909. 8.27	Resv
1913. 4.22			died (55)

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Kurokawa, Yukuma	Yamaguchi	Study in Fr
Constructor general

Date	Rank	Other title	Job
1852. 9. 9			born
		4th Medal
1875. 9.27			15th grade officer, B-Ship, DoN / Member, Yokosuka SB
1876. 8.31			15th grade officer, Med.School
1878. 2.26			Cadet (Study in Fr)
1881.10.21			Member, DoN / Member, Yokosuka SB (S-Mech)
1882. 6.16	Navy Assist Engineer 1
1882.12.27			Member, DoN / Member, Yokosuka SB
1883. 2.27			VChief, S-Mech, Yokosuka SB
1884. 1.25	T/LT
1884.12.16			Staff, S-Mech, Yokosuka SB
1886. 3. 8			Work in S-Eng, B-Ship, DoN
1886. 5. 8	Navy Engineer 3		Work in S-Eng, B-Ship, DoN
1886. 5.21			Chief, S-Eng, B-Ship, DoN (acting)
1886.11. 9	T/LCDR
1886.11.11			Chief, S-Eng, B-Ship, DoN
1886.11.18			Trip to Fr
1890.10.28			SVC
1891. 4.13			Order of Return
1891. 9.10			Chief, S-Planning, B-Shipbuild, Kure ND
1891.10.30			Chief, S-Planning, B-Shipbuild, Kure ND / Staff, S-Prod, B-Shipbuild, Kure ND
1891.11.16	T/LCDR
1892.11.24			Chief, B-Shipbuild, Sasebo ND / Chief, S-Shipbuild, B-Shipbuild, Sasebo ND
1892.12.21	T/CAPT
1893. 5.20			Chief, B-Shipbuild, Sasebo ND / Chief, S-Shipbuild, B-Shipbuild, Sasebo ND / Chief, S-EngConst, B-Shipbuild, Sasebo ND
1896. 4. 1	C/CAPT
1897.10. 8			Dir, Sasebo SBYd / Chief, S-EngConst, Sasebo SBYd
1897.12. 3			Dir, Kure SBYd
1899. 3.27		Eng.Dr
1901. 3. 1			Wait
1901. 3.11			Dir, Kure SBYd
1901. 7. 6	C/GEN
1902. 4. 5			Wait
1902. 9.18			Susp
1904. 9.18	Resv
1912. 9. 9	Resv 2
1915. 9. 9	Ret
1919. 9.23	RADM/C
1931. 9.13			died (80)

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Yamaguchi, Tatsuya	Tokyo	Study in Fr
Constructor general

Date	Rank	Other title	Job
1856.12.23			born
		4th Medal
1872. 8.12			2nd grade candidate, B-Ship
1872. 9.19			15th grade officer, B-Ship, DoN
1873. 7. 5			14th grade officer, B-Ship, DoN
1876. 7.22			Study in Fr
1880. 4.20			Member, DoN / Member, Yokosuka SB
1880.12.27	Navy Assist Engineer 1
1882. 9.15			Member, B-Ship, DoN
1882.12.27			Member, DoN / Member, B-Ship, DoN
1883. 1.12			VChief, S-Shipbuild, B-Ship, DoN
1884. 1.25	T/LT
1884. 1.26			VChief, S-Shipbuild, B-Ship, DoN
1885. 6. 5			Chief, S-Shipbuild, Onohama SB
1886. 5. 8	Navy Engineer 3		Dir, Onohama SB (acting)
1886. 5.21			Work in S-Shipbuild, B-Ship, DoN
1886. 6.21			Trip to UK, Fr, Ger
1886.11. 9	T/LCDR
1888. 2. 1			Dir, Onohama SB
1890. 3. 8			Remaining task handling, former Onohama SB
1890. 3.20			Staff, S-Planning, B-Shipbuild, Kure ND / Staff, S-Prod, B-Shipbuild, Kure ND / Remaining task handling, former Onohama SB
1890. 3.28			Chief, S-Prod, B-Shipbuild, Kure ND / Staff, S-Planning, B-Shipbuild, Kure ND / Remaining task handling, former Onohama SB
1890. 6.10			Chief, S-Prod, B-Shipbuild, Kure ND / Staff, S-Planning, B-Shipbuild, Kure ND
1891.12.14	T/CAPT
1893. 5.20			Chief, B-Shipbuild, Yokosuka ND
1896. 4. 1	C/CAPT
1897.10. 8			Dir, Yokosuka SBYd
1899. 3.27		Eng.Dr
1900. 5.22	C/GEN
1900.11.13			Wait
1901. 4. 5			Susp
1903. 4. 5	Resv
1914.12.23	Resv 2
1919. 9.23	RADM/C
1919.12.23	Ret
1927. 4. 9			died (72)

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Asaoka, Mitsutoshi	Ehime
Senior Constructor General

Date	Rank	Job
1861.11.27		born
1882.11. 9		Member, DoN / Member, B-Ship, DoN / Staff, S-Shipbuild, B-Ship, DoN
1884. 7.24	ChiefAssistEngineer 2	Member, B-Ship, DoN
1885. 8.14		Study in UK
1888.11. 7	T/MID	Trip to UK / Assist EO, Chiyoda
1890. 1.10	T/SUBLT	EO, Chiyoda
1890.10.28		BO, Chiyoda / SVC
1891. 3.22		Return
1891. 5.18		Staff, S-Planning, B-Shipbuild, Yokosuka ND
1893. 5.20		Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1893.12.13	T/LT
1893.12.20		Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND / Inst, CivilEngineer TC
1894. 9.18		Trip to USA
1895. 2.26		Order of Return
1896. 4. 1	C/LT
1897.10. 8		Staff, S-Shipbuild, Yokosuka SBYd / Inst, SB WTC
1899. 9.29	C/LCDR
1901. 6.22		Staff, NSC
1902.10. 6	C/CMDR
1904. 1. 8		SVC (Trip to UK)
1905. 9. 7		Order of Return
1905.12. 8		Att, NSC
1906. 5.10		Att, NSC / Staff, Temp.B-Const, DoN
1906.12.26		Chief, B-Shipbuild, Maizuru NYd (acting)
1907. 9.28	C/CAPT	Chief, B-Shipbuild, Maizuru NYd
1908. 4.24		Chief, B-Shipbuild, Sasebo NYd
1909. 9.25		Staff, NSC
1909.10.13		Staff, NSC / Staff, Temp.B-Const, DoN
1913. 5.24		Chief, B-Shipbuild, Yokosuka NYd
1913.12. 1	C/GEN
1914.12. 1		Att, NSC
1915.10. 1		Att, NTC / Att, Ship Div, DoN
1916. 4. 1		Att, NTC / Att, Ship Div, DoN / Att, DoN
1917. 7.26		Chief, B4, NTC
1918.12. 1	C/GEN1	Wait
1919. 8. 1	Resv
1919. 9.23	VADM/C
1923.11.27	Resv 2
1936. 8.26		died (76)

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Fukuda, Umanosuke	Aichi	Univ. of Tokyo
Constructor general senior grade

Date	Rank	Other title	Job
1856.10.24			born
		4th Medal
1878. 4.20			entrance to Engineering Institute
1884. 5.14		Eng.Bachelor
1884.10.23	ChiefAssistEngineer 3		Member, Yokosuka SB
1884.10.24			Assist Staff, S-Shipbuild
1885. 7.21	ChiefAssistEngineer 2
1886. 2.23			Assist Staff, S-Building.Slip
1886. 5. 4	AssistEngineer 4		Work in Yokosuka SB
1886. 6. 7			Chief, Factory, SBYd
1888. 3.31	T/LT		Staff, S-Shipbuild, Yokosuka SB
1889. 5.29			Staff, S-Prod, B-Shipbuild, Yokosuka ND
1893. 5.20			Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1894.12. 5			Staff, NF, Ryojun aBg
1895.12.29			Staff, S-Shipbuild, B-Shipbuild, Kure ND
1896. 4. 1	C/LT
1896. 4.13			Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1896. 8. 6	C/LCDR
1896.12. 8			SVC
1896.12.12			Trip to UK
1897.12. 1	C/CMDR
1900. 9.25	C/CAPT
1901. 1.23			Order of Return
1901. 5.31			Att, NSC (B3) / Staff, Temp.B-Const, DoN
1901.10. 1			Chief, S-Shipbuild, Maizuru SBYd
1902. 9. 5			Dir, Maizuru SBYd / Chief, S-Shipbuild, Maizuru SBYd
1903.11.10			Chief, B-Shipbuild, Maizuru NYd
1905. 4.29			Chief Const, Ryojun Maint-Yd
1905.12.12			Chief, B-Shipbuild, Maizuru NYd
1906.12.26			Chief, B3, NSC
1907. 3.13	C/GEN
1907. 5.23			Chief, B3, NSC / Chief, B-Shipbuild, Yokosuka NYd
1908. 3. 6			Chief, B3, NSC
1910.11.21			Chief, B3, NSC / Chief, B-Shipbuild, Yokosuka NYd
1911. 1.18			Chief, B3, NSC
1913.12. 1	C/GEN1
1915. 2. 9		Eng.Dr
1915.10. 1			Chief, B4, NTC
1917. 7.26			Wait
1918. 7.26	Resv
1918.10.24	Resv 2
1919. 9.23	VADM/C
1923.10.24	Ret
1936. 4.12			died (79)

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Koyama, Kichiro	Niigata	Univ. of Tokyo
Constructor general

Date	Rank	Other title	Job
1860. 3. 1			born
		4th Medal
1883. .			Graduate from Engineering Institute
1884. 9.19	ChiefAssistEngineer 1		Member, B-Ship, DoN / Work in Onohama SB
1886. 5. 4	AssistEngineer 5
1888. 3.31	T/LT		Staff, S-Shipbuild, Onohama SB
1890. 3.20			Staff, S-Prod, B-Shipbuild, Kure ND
1893. 5.20			Staff, S-Prod, branch, B-Shipbuild, Kure ND
1895. 5.27			Staff, S-Shipbuild, B-Shipbuild, Kure ND
1896. 4. 1	C/LT
1896.12. 8			SVC
1896.12.12			Trip to Ger
1897. 4.17	C/LCDR
1897.12. 1	C/CMDR
1900. 6.28			Order of Return
1900.12.22			Chief, S-Shipbuild, Yokosuka SBYd (acting)
1902.10. 6	C/CAPT		Chief, S-Shipbuild, Yokosuka SBYd
1903. 9.18			Chief, S-Shipbuild, Sasebo SBYd
1903.11.10			Chief, B-Shipbuild, Sasebo NYd
1908. 4.24			Chief, B-Shipbuild, Maizuru NYd
1908.12.10	C/GEN
1911. 1.18			Chief, B-Shipbuild, Yokosuka NYd
1913. 5.24			Wait
1913.12. 1	Resv
1915. 2. 9		Eng.Dr
1918. 3. 1	Resv 2
1919. 9.23	RADM/C
1923. 3. 1	Ret
1929. 2.25			died (68)

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Matsuo, Tsurutaro	Saga
Constructor general

Date	Rank	Other title	Job
1864. 8.23			born
		4th Medal
1885. 5.12	Ministry of Construction, AssistEngineer 5		Work in Hyogo Shipbuilder
1886. 1.13	Ministry of Commerce and Agriculture, AssistEngineer 5
1886. 5.26	AssistEngineer 5		Work in Onohama SB
1886. 7.29			Work in B-Ship, DoN
1888. 3.31	T/LT		Staff, S-Shipbuild, B-Ship, DoN
1888. 5. 1			Staff, S-Shipbuild, B-Ship, DoN / Assist Professor, Engineering Institute
1889. 5.14			Inst, Nav.College
1890. 2.15			Inst, Nav.College / Inst, Med.School
1891.10.20			SVC (Trip to UK)
1894. 7.14			Order of Return
1894.10.22			Staff, S-Shipbuild, B-Shipbuild, Kure ND
1894.12. 5			Staff, NF, Ryojun aBg
1895. 3.18			Crew, Genzan-maru
1895.12. 7			Inst, Nav.College
1896. 1.15			Inst, Nav.College / Staff, S1, B-NA, DoN
1896. 4. 1	C/LT
1896. 4.30			Job assistant, teacher, Engineering Institute
1896. 5.27			Inst, Nav.College / Staff, S1, B-NA, DoN / Staff, Temp.B-Const, DoN
1896.10.24	C/LCDR		Staff, S3, B-NA, DoN / Inst, Nav.College
1897. 4. 1			Staff, S-Shipbuild, B-NA, DoN / Inst, Nav.College
1897.12. 1	C/CMDR
1898. 4. 5			Staff, S-Shipbuild, B-NA, DoN / Inst, Nav.College / Inst, Med.School
1898.10. 3			Staff, S-Shipbuild, B-NA, DoN / Inst, Nav.College
1898.12.12			Inst, Nav.College / Staff, S-Shipbuild, B-NA, DoN
1899. 3. 9			Staff, S-Shipbuild, B-NA, DoN
1900. 5.20			Staff, NSC (B3)
1900. 6. 1			Staff, NSC (B3) / Staff, B-NA, DoN (S2)
1900. 7.			Staff, NSC (B3) / Staff, B-NA, DoN (S2) / Staff, Temp.B-Const, DoN
1900. 9.25	C/CAPT
1900. 9.28			SVC (Trip to UK)
1901. 8. 8		Eng.Dr
1904. 1. 8			Order of Return
1904. 5.20			Chief, B-Shipbuild, Yokosuka NYd
1907. 3.13	C/GEN
1907. 5. 8			Wait
1907. 8. 2			Susp
1907.11. 6			Att, NSC (B3) / Staff, Temp.B-Const, DoN
1908. 2. 6	Resv
1915. 4.30	Dismissed
1915. 5.24		renounce titles
1945. .			died

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Takagi, Tachisaburo	Kanagawa	Study in UK
Constructor general

Date	Rank	Other title	Job
1855. 3.28			born
		4th Medal
1884. 3.15	Navy Assist Worker		Member, Yokosuka SB
1884. 6. 5			Member, Yokosuka SB / B-Ship, DoN
1884. 6. 7			Trip to UK
1885. 9.21			Order of Return
1886. 5.29	Navy Chief Worker
1887.12.19	AssistEngineer 9		Work in Yokosuka SB
1888. 8.18	T/MID		Work in Onohama SB
1890. 1.10	T/SUBLT		Staff, S-Prod, B-Shipbuild, Yokosuka ND
1893. 5.20			Staff, S-EngConst, B-Shipbuild, Yokosuka ND
1893.12.20	T/LT
1894. 2. 2			Staff, S-EngConst, B-Shipbuild, Kure ND
1895. 3. 7			Staff, S-EngConst, B-Shipbuild, Kure ND / Trip to Ryojun aBg
1895. 5.26			Staff, S-EngConst, B-Shipbuild, Kure ND
1896. 4. 1	C/LT
1897.10. 8			Staff, S-EngConst, Kure SBYd
1898.12.27			SVC (Trip to UK)
1899. 9.29	C/LCDR
1902. 3.19			Order of Return
1902. 7. 7			Att, NSC (B4)
1902.10. 6	C/CMDR
1903. 9.18			Chief, S-EngConst, Sasebo SBYd (acting)
1903.11.10			Staff, B-EngConst, Sasebo NYd / TInsp, Sasebo NYd
1904. 8.23			Chief, B-EngConst, Sasebo NYd
1905. 6.27			Chief, B-EngConst, Maizuru NYd
1907. 4.18			Chief, B-EngConst, Maizuru NYd (acting)
1907. 9.28	C/CAPT		Chief, B-EngConst, Maizuru NYd
1911. 4.10			Chief, B-EngConst, Sasebo NYd
1912. 6.29			Chief, B-EngConst, Yokosuka NYd
1913.12. 1			Wait
1914. 3. 1	C/GEN Resv 2
1918.12.28	Ret
1919. 9.23	RADM/C
1925. 3.15			died (69)

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Obata, Bunzaburo	Ishikawa
Constructor general

Date	Rank	Other title	Job
1863. 9.10			born
		4th Medal
1886. 4.17			Study in Fr
1889.10.30	T/LT
1889.10.31			Staff, S-Planning, B-Shipbuild, Yokosuka ND
1889.11. 3			Return
1889.11.27			Staff, S-Prod, B-Shipbuild, Yokosuka ND
1890.11.13			Staff, S-Prod, B-Shipbuild, Kure ND
1891.10.30			Staff, S-Planning, B-Shipbuild, Kure ND
1893. 2. 8			Staff, S-Prod, B-Shipbuild, Yokosuka ND
1893. 5.20			Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1896. 4. 1	C/LT
1896. 4. 8			SVC
1896. 4.13			Trip to Fr, Ger
1897. 6. 1	C/LCDR
1897.12. 1	C/CMDR
1900. 6.28			Order of Return
1900.10.27			Staff, NSC (B3)
1900.11. 5			Staff, NSC (B3) / Staff, B-NA, DoN (S2)
1900.11.12			Job assistant, teacher, Engineering faculty, Univ. of Tokyo
1901. 6.21			Staff, S-Shipbuild, Yokosuka SBYd
1901. 6.30			resigned Job assistant
1901.10. 4			Staff, S-Shipbuild, Yokosuka SBYd / Inst, Eng.Academy
1902. 9. 3			Chief, S-Shipbuild, Kure SBYd (acting)
1902.10. 6	C/CAPT		Chief, S-Shipbuild, Kure SBYd
1903.11.10			Chief, B-Shipbuild, Kure NYd
1908. 3. 6			Chief, B-Shipbuild, Yokosuka NYd
1908.12.10	C/GEN
1910.11.21			Wait
1911. 8. 4			Att, NSC (B3)
1911. 9.26			Att, NSC (B3) / SVC
1913. 6. 5	Resv
1915. 2. 9		Eng.Dr
1919. 9.23	RADM/C
1921. 9.10	Resv 2
1926. 9.10	Ret
1942.11. 1	RADM/T
1957. .			died (93?)

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Kondo, Motoki	Tokyo	Univ. of Tokyo
Vice-admiral (Constructor)

Date	Rank	Other title	Job
1864. 3.11			born
		4th Medal
1883. 3.31			Graduate from Engineering faculty, Univ. of Tokyo
1884. 3.31			Graduate from Engineering faculty, Univ. of Tokyo
1884. 6. 2			Member, DoN / Member, B-Ship, DoN
1884. 9.19	ChiefAssistEngineer 2
1886. 5. 4	AssistEngineer 7
1886. 9.17	resigned		Study in UK
1887.10. 1			Student, UK Nav.College
1890. 6.30			Graduate from UK Nav.College
1890.10.18			Return
1890.11. 1	T/LT		Staff, S-Planning, B-Shipbuild, Yokosuka ND
1891. 1.31			Inst, Shipbuilding School
1891.12. 3			Job assistant, Shipbuilding, Univ. of Tokyo
1892. 2.15			resigned from Shipbuilding School
1893. 2. 8			Inst, Shipbuilding School
1893. 5.20			Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1893.12.20			Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND / Inst, Eng.Academy
1894. 1.10			Job assistant, Teacher, Univ. of Tokyo
1896. 4. 1	C/LT
1896. 4. 8			SVC
1896. 4.13			SVC (Trip to UK)
1897. 6. 1	C/LCDR
1898.10. 1	C/CMDR
1900. 1.27			Order of Return
1900. 5.20			Staff, NSC / Inst, Nav.College / Inst, Med.School
1900.10. 8			Staff, NSC / Inst, Nav.College / Inst, Med.School / Staff, Temp.B-Const, DoN
1901. 6.22			Staff, NSC / Staff, Temp.B-Const, DoN
1901. 6.30			Job assistant, Teacher, Univ. of Tokyo
1902.12. 9	C/CAPT
1906. 5.10			Staff, NSC
1907. 2. 2			Trip to UK
1907. 7. 4			Order of Return
1907. 8. 9			Staff, NSC (B3)
1908.12.10	C/GEN		Att, NSC (B3)
1910. 3.24			Att, NSC / SVCO (Trip to UK)
1910. 8.16			Order of Return
1910.10.10			Att, NSC (B3)
1911. 5.15			Chief, Ship Style Research / Att, NSC (B3)
1913. 5.30			resigned Job assistant
1914. 5.29	C/GEN1
1915. 2. 9		Eng.Dr
1915.10. 1			Chief, Ship Style Research / Att, NTC (B4)
1919. 9.23	VADM/C
1920.10. 1			Chief, Ship Style Research / Att, NSC (B4)
1922.12. 1			Att, NSC
1922.12.10			Wait
1923. 3.31	Resv
1926. 3.11	Resv 2
1929.12.26		Baron
1930. 3. 8			died (65)

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Yamada, Saku	Tokyo	Univ. of Tokyo
Vice-admiral (Constructor)

Date	Rank	Other title	Job
1866. 5.10			born
1887. 9.			entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1887. 9.30			Student to Technical officer
1890. 7.10			Graduate from Engineering faculty, Univ. of Tokyo
1890. 7.31			Study in UK
1890.11.17			Study in UK Armstrong Co, Shipbuiding division
1892. 9.29			finished
1892.12.19	T/SUBLT		Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1894. 3.15			Staff, S-Shipbuild, B-Shipbuild, Kure ND
1896. 4. 1	C/SUBLT
1897.10. 8			Staff, S-Shipbuild, Kure SBYd
1897.12. 1	C/LTJG
1897.12.27	C/LT
1898.10. 1			SVC (Trip to UK)
1901. 4. 6			Order of Return
1901. 6.22			Staff, S-Shipbuild, Kure SBYd
1902. 7.29			Staff, S-Shipbuild, Kure SBYd / Inst, Nav.College
1903. 9.26	C/LCDR
1903.11.10			Staff, B-Shipbuild, Kure NYd / TInsp, Kure NYd / Inst, Nav.College
1904. 1.27			Staff, B-Shipbuild, Kure NYd / TInsp, Kure NYd
1905. 9.26	C/CMDR
1908. 3. 6			Chief, B-Shipbuild, Kure NYd (acting)
1909.10.11	C/CAPT		Chief, B-Shipbuild, Kure NYd
1914.12. 1			Chief, B-Shipbuild, Yokosuka NYd
1915. 2. 9		Eng.Dr
1915.12.13	C/GEN
1918.12. 1			Chief, B4, NTC
1919. 9.23	RADM/C
1920.10. 1			Chief, B4, NSC
1920.12. 1	VADM/C		Att, NSC
1920.12.10			Wait
1921. 6. 1	Resv
1928. 5.10	Resv 2
1933. 5.10	Ret
1940. 2.12			died (75)

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Yamamoto, Kaizo	Saitama	Univ. of Tokyo
Vice-admiral (Constructor)

Date	Rank	Other title	Job
1868. 2.15			born
1890. 9.			entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1893. 7.10			Graduate from Engineering faculty, Univ. of Tokyo
1893. 8.23	T/MID		Member, B-Shipbuild, Yokosuka ND
1894.12.19	T/SUBLT		Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1896. 4. 1	C/SUBLT
1896. 4.20			Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND / Inst, Eng.Academy
1897.10. 8			Staff, S-Shipbuild, Yokosuka SBYd / Inst, Eng.Academy
1897.12. 1	C/LTJG
1898.10. 1	C/LT
1898.12.27			SVC (Trip to UK)
1902. 5. 2			Order of Return
1902.11.26			Att, NSC (B3)
1904. 5.20			Staff, NSC (B3)
1904. 7.13	C/LCDR
1907. 3. 8			Staff, NSC (B3) / Staff, Temp.B-Const, DoN
1907. 5. 8			Staff, B-Shipbuild, Yokosuka NYd
1907. 9.28	C/CMDR
1909.11.13			SVC / Staff, B-Shipbuild, Sasebo NYd
1910. 3.24			Trip to UK
1910. 8.16			Order of Return
1910. 9.30			SVC (Trip to UK)
1911. 1.18	C/CAPT
1911. 2.22			Order of Return
1914. 9.17			Staff, NSC / SVC
1915. 2. 9		Eng.Dr
1915.10. 1			Staff, NTC (B4) / SVC
1916.12. 1	C/GEN		Att, NTC
1919. 9.23	RADM/C
1920.10. 1			Att, NSC
1920.12. 1			Chief, B4, NSC
1921.12. 1	VADM/C
1923. 8.13			Att, NSC
1923.12. 1			Wait
1924. 2.25	Resv
1930. 2.15	Resv 2
1935. 2.15	Ret
1942.11. 1	VADM/T
1958. 4.18			died (90)

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Shirai, Yorikichi	Tokyo	Univ. of Tokyo
Constructor general

Date	Rank	Job
1872. 7.21		born
1887. 9.30		Student to Technical officer
1890. 7.10		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1890. 7.31		Study in UK
1893.12.19	T/SUBLT	Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1894. 2.11		Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND / Inst, CivilEngineer TC
1896. 4. 1	C/SUBLT
1896. 5. 7		Staff, S-Shipbuild, B-Shipbuild, Yokosuka ND
1896. 9. 2		Staff, S-Shipbuild, B-Shipbuild, Sasebo ND
1896.10. 8		Staff, S-Shipbuild, Sasebo SBYd
1896.12. 1	C/LTJG
1896.12.27	C/LT
1898. 1.28		SVC (Trip to UK)
1902. 3.19		Order of Return
1902. 7. 7		Att, NSC (B3)
1902. 9.18		Staff, S-Shipbuild, Yokosuka SBYd
1902. 9.29		Staff, S-Shipbuild, Yokosuka SBYd / Inst, Eng.Academy
1903. 9.26	C/LCDR
1903.11.10		Staff, B-Shipbuild, Yokosuka NYd / TInsp, Yokosuka NYd / Inst, Eng.Academy
1905.12.12		Chief, Shipbuilding WTC / Inst, Shipbuilding WTC / Inst, Eng.Academy / Staff, B-Shipbuild, Yokosuka NYd
1906. 5.25		Chief, Shipbuilding WTC / Inst, Shipbuilding WTC / Staff, B-Shipbuild, Yokosuka NYd
1906. 9.28	C/CMDR
1907. 3.31		Member, Yokosuka ND
1907. 4.18		Staff, B-Shipbuild, Yokosuka NYd
1907. 5. 8		Staff, NSC (B3) / Staff, Temp.B-Const, DoN
1909. 9.25		Chief, B-Shipbuild, Sasebo NYd (acting)
1909.10.11	C/CAPT	Chief, B-Shipbuild, Sasebo NYd
1915. 5. 1		Chief, B-Shipbuild, Sasebo NYd / SVC
1915.12.13	C/GEN	Chief, B-Shipbuild, Sasebo NYd
1916. 7.19		Wait
1917. 7.19	Resv
1919. 9.23	RADM/C
1935. 7.21	Ret
1942.11. 1	RADM/T
1943. 5.11		died (70)

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Nonaka, Sueo	Kumamoto	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Other title	Job
1874. 3.26			born
1896. 9.			entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1897.12.28			Student to Constructor officer
1899. 6.			Graduate from Engineering faculty, Univ. of Tokyo
1899. 6.29	C/LTJG		Staff, S-Shipbuild, Yokosuka SBYd
1900. 5.24			Staff, S-Shipbuild, Yokosuka SBYd / Inst, Eng.Academy
1901.10. 1	C/LT		Staff, S-Shipbuild, Maizuru SBYd
1902. 7.20			Resident in UK
1905. 7. 6			Order of Return
1905.10.28			Att, NSC (B3)
1905.12.18			Job assistant, Teacher, Univ. of Tokyo
1907. 4.18			Staff, NSC
1907. 9.28	C/LCDR
1908. 9.25			Staff, NSC / resigned Job assistant
1909.11.13			Staff, B-Shipbuild, Yokosuka NYd
1910.11.29			SVC (Trip to UK)
1910.12. 1	C/CMDR
1913. 8.23			Order of Return
1913.12. 1			Att, NSC (B3) / Inst, Nav.College
1914.12. 1	C/CAPT		Chief, B-Shipbuild, Kure NYd
1919. 6.10			Trip to Europe, USA
1919. 6.28		Eng.Dr
1919. 9.23	CAPT/C
1919.12. 1	RADM/C
1920. 6.17			Return
1923. 8.13			Att, NSC
1923.12. 1	VADM/C		Wait
1923.12. 5	Resv
1924. 1.12			Professor, Univ. of Kyushu
1934. 5.16			resigned
1936. 3.26	Resv 2
1941. 3.26	Ret
1942.11. 1	VADM/T

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Okubo, Tatsu	Tokyo
Vice-admiral (constructor)

Date	Rank	Other title	Job
1871. 4.22			born
		Viscount 5th Medal
1898. 4.			Graduate from British Univ.
1899. 1.			Return
1899. 2.14	C/SUBLT		Staff, S-Shipbuild, Kure SBYd
1899. 5. 1	C/LTJG
1900. 3.15			Staff, S-Shipbuild, Yokosuka SBYd
1901.10. 1	C/LT
1902. 7.29			Staff, S-Shipbuild, Yokosuka SBYd / Inst, Nav.College
1903.11.10			Staff, B-Shipbuild, Yokosuka NYd / Inst, Nav.College
1904. 1.11			Crew, Koto-maru
1904. 7. 6			Crew, Kanto-maru
1905. 1. 7			Staff, B-Shipbuild, Yokosuka NYd
1905. 8. 5	C/LCDR
1905.12.12			Staff, B-Shipbuild, Yokosuka NYd / TInsp, Yokosuka NYd
1906. 5.12			Chief Const, Kanto-maru
1906. 8.18			Staff, B-Shipbuild, Yokosuka NYd
1905.11. 5			Staff, B-Shipbuild, Yokosuka NYd / TInsp, Yokosuka NYd
1909.10.11	C/CMDR
1911. 1.18			Chief, B-Shipbuild, Maizuru NYd (acting)
1912.12. 1	C/CAPT		Chief, B-Shipbuild, Maizuru NYd
1916. 7.19			Chief, B-Shipbuild, Sasebo NYd
1918.12. 1	C/GEN		Chief, B-Shipbuild, Yokosuka NYd
1919. 9.23	RADM/C
1922. 6.10			Att, NSC
1922.12. 1	VADM/C		Wait
1923. 3.31	Resv
1925. 7.10			Senator
1933. 4.22	Resv 2
1938. 4.22	Ret
1941. 2. 4			died (69)

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Fujita, Masuzo	Tokyo	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1873. 6.12		born
1897.12.28		Student to Constructor officer
1899. 6.20		Graduate from Engineering faculty, Univ. of Tokyo
1899. 6.29	C/LTJG	Staff, S-Shipbuild, Kure SBYd
1900. 2.12		Staff, S-Shipbuild, Kure SBYd / Eng.Inst, Nav.Academy
1901.10. 1	C/LT
1903.11.10		Staff, B-Shipbuild, Kure NYd / Eng.Inst, Nav.Academy
1904. 1. 8		SVC (Trip to UK)
1906. 5.19		Order of Return
1906.10. 1		Staff, Ryojun NF
1907. 9.28	C/LCDR
1908. 8.12		Staff, B-Shipbuild, Kure NYd
1910.12. 1	C/CMDR
1912. 9.18		SVC
1915. 5.26		Staff, B-Shipbuild, Sasebo NYd
1915.12.13	C/CAPT	Staff, NTC (B4)
1916. 7.19		Chief, B-Shipbuild, Maizuru NYd
1918.12. 1		Chief, B-Shipbuild, Sasebo NYd
1919. 9.23	CAPT/C
1920.12. 1	RADM/C
1923. 8.13		Att, NSC
1923.12. 1		Wait
1923.12. 5	Resv
1933. 6.12	Resv 2
1938. 6.12	Ret
1950. .		died (77?)

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Iwano, Naohide	Saga	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1871. 8.28		born
1898. 7.10		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1899. 6. 5	C/LTJG	Staff, S-Shipbuild, Kure SBYd
1901. 8. 8		SVC (Trip to UK)
1901.10. 1	C/LT
1904. 6.21		Trip to USA
1905. 1.26		Order of Return
1908. 8.12		Staff, Ryojun NF
1909.10.11	C/CMDR
1910. 4.26		TInsp, Sasebo NYd / Staff, B-Shipbuild, Sasebo NYd
1911. 1.18		Staff, B-Shipbuild, Yokosuka NYd / TInsp, Yokosuka NYd
1913. 5.24		Staff, NSC (B3) / Staff, Temp.B-Const, DoN
1914.12. 1	C/CAPT
1915. 2.18		Staff, NF, Kanto-maru
1915. 9.13		Chief, NF, Kanto-maru
1915.12.13		Staff, Ship Div, DoN
1916. 4. 1		Chief, S2, B-Ship, DoN
1919. 1.16		Member, Yokosuka ND
1919. 4. 1		Staff, B-Shipbuild, Yokosuka NYd / Chief, CivilEngineer TC
1919. 9.23	CAPT/C
1919.11.20		Member, Yokosuka ND
1919.12. 1	RADM/C	Wait
1920. 4. 1	Resv
1929. 8.28	Resv 2
1934. 8.28	Ret
1942.11. 1	RADM/T
1943. 5. 2		died (71)

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Suzuki, Keiji	Niigata	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1875. 1.13		born
1897. 9.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1897.12.28		Student to Constructor officer
1900. 6.		Graduate from Engineering faculty, Univ. of Tokyo
1900. 6.29	C/LTJG	Staff, S-Shipbuild, Yokosuka SBYd
1900. 8.20		Staff, S-Shipbuild, Yokosuka SBYd / Inst, SB WTC
1901. 5.31		Inst, SB WTC
1901. 9.12		Inst, SB WTC / Staff, S-Shipbuild, Yokosuka SBYd
1902. 6.19		Crew, Asahi
1902.10. 6	C/LT
1902.11. 8		Crew, Tokiwa
1903. 4.27		Staff, S-Shipbuild, Sasebo SBYd
1903.12.10		Staff, B-Shipbuild, Sasebo NYd
1904. 6. 1		SVC (Trip to UK)
1908. 9.25	C/LCDR
1909. 4. 8		Order of Return
1909. 7.27		Att, NSC / Staff, Ship Style Research
1910. 5.23		Att, NSC / Staff, Ship Style Research / Inst, Nav.College
1911.12. 1	C/CMDR
1913.12. 1		Staff, B-Shipbuild, Sasebo NYd
1914. 4. 8		SVC
1916.12. 1	C/CAPT
1918. 6. 1		Staff, B-Shipbuild, Yokosuka NYd
1918.12. 1		Chief, B-Shipbuild, Maizuru NYd
1919. 9.23	CAPT/C
1921.12. 1	RADM/C	Att, NSC
1922. 6.10		Chief, B-Shipbuild, Yokosuka NYd
1923. 8.13		Chief, B4, NSC
1925.12. 1	VADM/C
1927. 4. 5		Chief, B3, NSC
1928. 5.16		Att, NSC
1928.12.20		Wait
1928.12.25	Resv
1930. 9.29		died (55)

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Iwano, Seiichiro	Chiba	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1874. 3.20		born
1897.12.28		Student to Constructor officer
1900. 6.		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1900. 6.29	C/LTJG	Staff, S-Shipbuild, Kure SBYd
1902. 6.19		Crew, Fuji
1902. 7.22		Crew, Yakumo
1902.10. 6	C/LT
1902.12.26		Crew, Mikasa
1903. 4.12		Crew, Yoshino
1903. 4.27		Staff, S-Shipbuild, Sasebo SBYd
1903.11.10		Staff, B-Shipbuild, Sasebo NYd
1905. 1. 7		Member, Ryojun Maint-Yd
1905.12.12		Staff, B-Shipbuild, Maizuru NYd
1906. 9.13		SVC (Trip to UK)
1908. 9.25	C/LCDR
1909. 3. 5		Order of Return
1909. 7.13		Staff, B-Shipbuild, Maizuru NYd
1909. 7.27		Staff, B-Shipbuild, Maizuru NYd / TInsp, Maizuru NYd
1910.10.29		Staff, B-Shipbuild, Maizuru NYd
1911. 1.31		Staff, B-Shipbuild, Maizuru NYd / TInsp, Maizuru NYd
1912. 4.27		Inst, Nav.College / Staff, NSC / Inst, Med.School / Inst, Pay.Academy
1913.12. 1	C/CMDR
1914. 8.17		Staff, B-Shipbuild, Sasebo NYd
1915. 5. 1		SVC
1917.12. 1	C/CAPT
1918. 6. 1		Staff, NTC (B4) / SVC
1919. 1.18		Staff, NTC (B4) / SVC / Att, NGS
1919. 8. 1		Inst, Nav.College / Inst, Med.School / Inst, Pay.Academy
1919. 9.23	CAPT/C
1920. 3.27		Inst, Nav.College
1922.12. 1	RADM/C	Att, NSC
1922.12.10		Wait
1923. 3.31	Resv
1934. 3.20	Resv 2
1939. 3.20	Ret
1942.11. 1	RADM/T

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Hiraga, Yuzuru	Hiroshima	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Other title	Job
1878. 3. 8			born
1898. 7. 8			entrance to Engineering faculty, Univ. of Tokyo
1899. 4. 1			Student to Constructor officer
1901. 6.21			Graduate from Engineering faculty, Univ. of Tokyo
1901. 6.27	C/LTJG		Staff, S-Shipbuild, Yokosuka SBYd
1903. 4.27			Crew, Yashima
1903. 9.26	C/LT
1903.10.14			Crew, Mikasa
1904. 1. 6			Member, Kure ND
1904. 1.15			Staff, B-Shipbuild, Kure NYd
1905. 1.27			Resident in UK
1908.10. 1			Order of Return
1909. 2. 3			Staff, NSC
1909. 3.19			Staff, NSC / Att, NGS
1909. 9.25			Staff, NSC / Att, NGS / Job assistant, teacher, Univ. of Tokyo
1909.10.11	C/LCDR
1912. 8. 5			Staff, B-Shipbuild, Yokosuka NYd / resigned Job assistant
1912. 8.16			Staff, B-Shipbuild, Yokosuka NYd
1912.12. 1	C/CMDR
1916. 5.15			Staff, NTC (B4) / SVC
1916. 8.19			Trip to Ita, Swi
1916. 9.12			cancel trip
1917. 4. 1	C/CAPT
1918.10.19			Staff, NTC (B4) / SVC / Professor, Univ. of Tokyo
1919. 3.28		Eng.Dr
1919. 9.23	CAPT/C
1920.10. 1			Chief designer, B4, NSC / SVC / Professor, Univ. of Tokyo
1922. 6. 1	RADM/C		Att, NSC / Professor, Univ. of Tokyo
1923.10. 1			Trip to Europe, USA
1924. 7.18			Return
1925. 6. 3			Chief, B-Shipbuild.Res, Tech.Rsch / Professor, Univ. of Tokyo
1925.12. 7			Dir, Tech.Rsch / Chief, B-Shipbuild.Res, Tech.Rsch / Professor, Univ. of Tokyo
1926.11. 1			Dir, Tech.Rsch / Professor, Univ. of Tokyo
1926.12. 1	VADM/C
1930.12. 1			Att, NSC / Professor, Univ. of Tokyo
1931. 3.20			Wait / resigned Univ. of Tokyo
1931. 3.31	Resv
1932. 7.30			Professor, Univ. of Tokyo
1938. 2.31			resigned
1938. 8. 5			Honored professor, Univ. of Tokyo
1938.12.20			President, Univ. of Tokyo
1940. 3. 8	Resv 2
1941. 4. 1	Resv
1942.11. 1	VADM/T
1943. 2.17		Baron	died (66)

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Shinjo, Saneuji	Kyoto	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1876. 9.16		born
1899. 4. 1		Student to Constructor officer
1901. 6.21		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1901. 6.27	C/LTJG	Staff, S-Shipbuild, Sasebo SBYd
1903. 4.27		Crew, Tokiwa
1903. 9.26	C/LT
1903.10.14		Crew, Asahi
1904. 1. 6		Member, Sasebo ND
1904. 6.21		Staff, B-Shipbuild, Sasebo NYd
1904. 8.24		Member, Dairen bay NF
1906. 4. 9		SVC
1906.10.20		Staff, B-Shipbuild, Kure NYd
1909. 4.13		SVC (Trip to UK)
1909.10.11	C/LCDR
1911. 6.13		Order of Return
1914. 4. 8		Staff, B-Shipbuild, Kure NYd
1914.12. 1	C/CMDR
1915. 2. 1		Wait
1915. 4.22		Staff, B-Shipbuild, Kure NYd
1917. 6.27		Att, NGS
1918. 6. 6		Staff, B-Ship, DoN (S6)
1918.12. 1	C/CAPT	Staff, B-Shipbuild, Yokosuka NYd
1919. 1.16		Chief, S2, B-Ship, DoN
1919. 8. 1		Staff, NTC (B4)
1919. 9.23	CAPT/C
1919.12.10		Staff, NTC (B4) / Att, DoN
1920. 5.14		Staff, NTC (B4) / Att, DoN / Staff, B-Shipbuild, Kure NYd
1920. 8.26		Staff, NTC (B4) / Att, DoN
1920.10. 1		Staff, NSC (B4 / S2, B-Adm)
1920.10.11		Staff, NSC (B4 / S2, B-Adm) / Staff, B-Sup, DoN (S3)
1920.12.15		SVC
1921.12. 1		Staff, NSC (B4) / SVC / Staff, B-Sup, DoN (S3)
1922. 8.19		Wait
1922.11.20		Staff, NSC (B4)
1923. 8. 1		Att, NSC (B4)
1923.12. 1	RADM/C	Wait
1924. 2.25	Resv
1936. 9.16	Resv 2
1937. 7.24		died (60)

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Suwa, Koguma	Kagoshima	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1873. 8.11		born
1897.12.28		Student to Constructor officer
1901. 6.21		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1901. 6.27	C/LTJG	Staff, S-Shipbuild, Sasebo SBYd
1903. 4.27		Crew, Izumo
1903. 9.26	C/LT
1903.12.19		Crew, Shikishima
1904. 1. 6		Member, Sasebo ND
1905.12.12		Staff, B-Shipbuild, Sasebo NYd
1906. 4. 6		Member, Ryojun NF
1906. 8.30		Member, Ryojun NF / Att, NSC
1907. 8.24		Staff, B-Shipbuild, Sasebo NYd
1908. 2.14		Staff, B-Shipbuild, Sasebo NYd / TInsp, Sasebo NYd
1909.10.11	C/LCDR
1910. 4.26		Staff, B-Shipbuild, Kure NYd
1911. 6.13		SVC (Trip to UK)
1913. 2.18		Order of Return
1913. 6. 9		TInsp, Kure NYd / Staff, B-Shipbuild, Kure NYd
1913.12. 1		Staff, B-Shipbuild, Kure NYd
1914. 9.10		Staff, B-Shipbuild, Maizuru NYd
1914.12. 1	C/CMDR
1916. 1.28		Staff, B-Shipbuild, Maizuru NYd / TInsp, Maizuru NYd
1916. 4. 1		Staff, B-Shipbuild, Yokosuka NYd
1918. 1.22		Assist Staff, 1st Special Task Fleet
1918. 6.19		Staff, NTC (B4) / SVC
1918.12. 1	C/CAPT	SVC / Staff, NTC
1919. 1.18		Staff, B-Shipbuild, Sasebo NYd
1919. 9.23	CAPT/C
1921. 4. 1		SVC
1921. 4. 6		SVCO
1923.12. 1	RADM/C	Att, NSC
1923.12.10		Wait
1924. 2.25	Resv
1933. 8.11	Resv 2
1938. 8.11	Ret
1940. 6.15		died (66)

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Tokai, Yuzo	Aomori	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Other title	Job
1877. 3.14			born
		5th Medal
1899. 4. 1			Student to Ordnance officer
1901. 6.21			Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1901. 6.27	C/LTJG		Staff, S-Shipbuild, Kure SBYd
1903. 4.27			Crew, Yoshino
1903. 9.26	C/LT
1903.10.14			Crew, Izumo
1904. 1. 6			Member, Kure ND
1904. 1.11			Crew, Miike-maru
1905. 2.10			Staff, B-Shipbuild, Kure NYd
1907.11.28			SVC (Trip to UK)
1909.10.11	C/LCDR
1910. 4.16			Order of Return
1910.10.31			Staff, B-Shipbuild, Yokosuka NYd
1913. 6.18			Staff, B-Shipbuild, Yokosuka NYd / TInsp, Yokosuka NYd
1914. 9.10			Staff, B-Shipbuild, Yokosuka NYd / TInsp, Yokosuka NYd / SVC
1914.12. 1	C/CMDR
1915. 5.26			Inst, Nav.College / Staff, NSC / Inst, Med.School / Inst, Pay.Academy
1915.10. 1			Inst, Nav.College / Staff, NTC (B4) / Inst, Med.School / Inst, Pay.Academy
1917. 7. 6			SVC
1918.12. 1	C/CAPT
1919. 8. 1			Chief, S2, B-Ship, DoN
1919. 9.23	CAPT/C
1920.10. 1			Att, NSC (B4)
1920.12.15			Staff, NSC (B4) / SVC / Staff, B-Sup, DoN (S3)
1921.12. 1			Chief, B-Shipbuild, Maizuru NYd
1923. 4. 1			Att, NSC (B4)
1923.12. 1	RADM/C		Wait
1924. 2.25	Resv
1937. 3.14	Resv 2
1941. 4. 1	Resv
1942. 3.14	Ret
1950. 7. 3			died (73)

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Isozaki, Seikichi	Tokushima	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1877.10.15		born
1899. 9.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1901. 2.15		Student to Constructor officer
1902. 6.20		Graduate from Engineering faculty, Univ. of Tokyo
1902. 6.25	C/LTJG	Inst, SB WTC / Staff, S-Shipbuild, Yokosuka SBYd
1903. 4.27		Staff, S-Shipbuild, Kure SBYd
1903.11.10		Assist Staff, B-Shipbuild, Kure NYd
1904. 7.13	C/LT	Staff, B-Shipbuild, Kure NYd
1905. 5.18		Staff, B-Shipbuild, Kure NYd / Ope.Inst, Nav.Academy
1906. 3. 3		Staff, B-Shipbuild, Kure NYd
1907.12.28		Resident in UK
1909.12. 1	C/LCDR
1911. 8.25		Order of Return
1911.12. 1		SVC
1912. 8. 5		Staff, NSC / Att, NGS
1912. 8.16		Job assistant, Teacher, Univ. of Tokyo
1914.12. 1	C/CMDR
1915. 5.26		Staff, NSC / Att, NGS / SVC
1915. 6.30		resigned Job assistant, Univ. of Tokyo
1915.10. 1		Staff, NTC / Att, NGS / SVC
1916. 5.15		Staff, B-Shipbuild, Yokosuka NYd
1916. 9.12		Staff, B-Shipbuild, Yokosuka NYd / SVC (Trip to Ita, Swi)
1917. 5. 8		Order of Return
1917. 6. 1		Staff, B-Shipbuild, Yokosuka NYd
1918.12. 1	C/CAPT
1919. 9.23	CAPT/C
1919.11.20		Staff, B-Shipbuild, Yokosuka NYd / Chief, CivilEngineer TC
1920. 4. 1		Staff, B-Shipbuild, Yokosuka NYd
1922. 9. 8		SVC
1922.12. 1		SVCO
1923. 8.13		Chief, B-Shipbuild, Yokosuka NYd
1923.12. 1	RADM/C
1927.12. 1	VADM/C	Att, NSC
1927.12.15		Wait
1927.12.25	Resv
1939.10.15	Resv 2
1941. 4. 1	Resv
1942.11. 1	VADM/T
1944. 4. 1	Ret

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Arita, Nobu	Fukuoka	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1878. 1. 2		born
1901. 2.15		Student to Constructor officer
1902. 6.20		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1902. 6.25	C/LTJG	Staff, S-Shipbuild, Kure SBYd
1903.11.10		Assist Staff, B-Shipbuild, Kure NYd
1904. 7.13	C/LT	Staff, B-Shipbuild, Kure NYd
1905. 2.10		Crew, Miike-maru
1905.11. 4		Inst, Nav.College
1906. 1.13		Inst, Nav.College / Att, NSC / Inst, Med.School
1907.10.28		Staff, B-Shipbuild, Sasebo NYd
1910.12. 1	C/LCDR
1911. 2. 3		Att, NSC (B3)
1911. 4.28		SVC
1911.11. 2		Trip to UK
1913. 8.23		Order of Return
1913.12. 1		Staff, B-Shipbuild, Yokosuka NYd
1914.12. 1		Att, NSC (B3)
1915. 5. 1		Att, NSC (B3) / SVC
1915.10. 1		Staff, NTC (B4) / SVC
1915.12.13	C/CMDR
1918. 6. 1		SVC
1919. 9.23	C/CAPT
1919.12. 1	CAPT/C
1920.12.15		Staff, B-Shipbuild, Kure NYd
1922.12. 1		Chief, Ship Style Research (acting)
1923. 4. 1		Att, Tech.Rsch (B-Rsch)
1923. 4.10		Att, Tech.Rsch (B-Rsch) / Staff, NSC (B4)
1923.12. 1		Att, Tech.Rsch (B-Rsch) / Staff, NSC (B4) / Inst, Nav.College
1924. 5.10		Att, Tech.Rsch (B-Rsch) / Staff, NSC (B4) / Inst, Nav.College / SVC
1924.12. 1	RADM/C	Att, Tech.Rsch (B-Rsch) / Staff, NSC (B4) / Inst, Nav.College / SVC / Att, NSC
1925.10. 1		Wait
1925.12.16	Resv
1938. 1. 2	Resv 2
1941. 4. 1	Resv
1942.11. 1	RADM/T
1943. 1. 2	Ret
1944.10.19		died (66)

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Fukui, Junpei	Shizuoka	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Other title	Job
1872.10. 6			born
		4th Medal
1899. 4. 1			Student to Constructor officer
1902. 6.20			Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1902. 6.25	C/LTJG		Staff, S-Shipbuild, Yokosuka SBYd
1903.11.10			Assist Staff, B-Shipbuild, Yokosuka NYd
1904. 7.13	C/LT		Staff, B-Shipbuild, Yokosuka NYd
1905. 1. 7			Crew, Kanto-maru
1905. 4.27			Staff, B-Shipbuild, Yokosuka NYd
1907. 6.26			Crew, Katori
1907.10.19			Wait
1908. 2.25			Staff, B-Shipbuild, Maizuru NYd
1910.12. 1	C/LCDR
1914. 8.14			Staff, NF, Kanto-maru
1914.12. 9			Staff, NF, Kanto-maru / Member, Temp. Tsingtao GD
1915. 1.29			Member, Temp. Tsingtao GD
1915. 6.30			Member, Interim Seito bg
1915. 9.21			Staff, B-Shipbuild, Kure NYd
1915.12.13	C/CMDR
1916. 5.15			SVC
1916.11.25			Trip to Rus
1917. 3.19			Return
1917. 5. 1			Staff, B-Shipbuild, Sasebo NYd
1919. 1.18			Staff, B-Shipbuild, Yokosuka NYd
1919. 4. 1			Staff, B-Shipbuild, Yokosuka NYd / Inst, Fuji
1919. 9.23	CMDR/C
1919.12. 1	CAPT/C
1920. 8.12			Staff, B-Shipbuild, Yokosuka NYd / Inst, Fuji / Assist Staff, 3F
1920. 9.28			Staff, B-Shipbuild, Yokosuka NYd / Inst, Fuji
1921. 4.27			Assist Staff, 3Sd
1921.11.20			Staff, B-Shipbuild, Yokosuka NYd
1921.12.10			Staff, B-Shipbuild, Yokosuka NYd / Inst, Fuji
1922. 5.15			Staff, B-Shipbuild, Yokosuka NYd / Inst, Yakumo
1922.12. 1			Staff, B-Shipbuild, Yokosuka NYd / Inst, Fuji
1924.12. 1	RADM/C		Att, NSC
1925.12. 1			Wait
1925.12.16	Resv
1926. 4. 1			Job assistant, salvaging
1929.11.30			resigned Job assistant
1930.10. 6	Resv 2
1935.10. 6	Ret
1935.12.10	Dismissed
1940. 1.31			died (67)

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Iwasa, Shoichi	Shimane	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1876. 4.11		born
1899. 4. 1		Student to Constructor officer
1902. 6.20		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1902. 6.25	C/LTJG	Staff, S-Shipbuild, Maizuru SBYd
1903.11.10		Assist Staff, B-Shipbuild, Maizuru NYd
1904. 6. 5		Assist Staff, B-Shipbuild, Maizuru NYd / TInsp, Maizuru NYd
1904. 7.13	C/LT	Staff, B-Shipbuild, Maizuru NYd / TInsp, Maizuru NYd
1906. 1.31		Staff, B-Shipbuild, Maizuru NYd
1908. 8.29		Staff, B-Shipbuild, Maizuru NYd / TInsp, Maizuru NYd
1909. 6. 1		Crew, Shikishima
1909. 9.15		Crew, Mogami
1909.12. 8		Staff, B-Shipbuild, Sasebo NYd
1910. 2.16		SVC
1910.12. 1	C/LCDR
1913. 1.10		Trip to UK
1914. 8.17		Order of Return
1915. 5.26		Staff, B-Shipbuild, Sasebo NYd
1915.12.13	C/CMDR
1919. 8. 1		SVC
1919. 9.23	CMDR/C
1919.12. 1	CAPT/C
1921. 8.17		Staff, B-Shipbuild, Yokosuka NYd
1923. 8.13		Chief, B-Shipbuild, Sasebo NYd
1924.12. 1	RADM/C
1925. 2. 2		Att, NSC
1925. 3. 2		Wait
1925. 3.20	Resv
1936. 4.11	Resv 2
1941. 4. 1	Resv
1941. 4.11	Ret
1958. 2.13		died (81)

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Nagamura, Kiyoshi	Kumamoto	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Other title	Job
1878.10. 6			born
		Viscount
1900. 9.			entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1902. 3.10			Student to Constructor officer
1904. 6.21			Graduate from Engineering faculty, Univ. of Tokyo
1904. 6.28	C/LTJG		Member, Sasebo ND
1905. 7.14			Member, Ryojun Maint-Yd
1905.12.12			Assist Staff, B-Shipbuild, Sasebu NYd
1906. 9.28	C/LT		Staff, B-Shipbuild, Sasebo NYd
1908.11.20			Crew, Ikoma
1909. 4.15			Staff, B-Shipbuild, Kure NYd
1909. 5.22			Staff, B-Shipbuild, Kure NYd / Ope.Inst, Nav.Academy
1911. 7.26			Staff, B-Shipbuild, Kure NYd
1912.12. 1	C/LCDR
1914. 4. 8			SVC
1914. 4.11			Trip to UK
1916.12. 1			Order of Return
1917. 3. 5			Staff, B-Shipbuild, Kure NYd / TInsp, Kure NYd
1917. 4. 1	C/CMDR
1917. 7. 6			TInsp, Kure NYd / Staff, B-Shipbuild, Kure NYd
1919. 1.18			SVC
1919. 9.23	CMDR/C
1920.12. 1	CAPT/C
1922. 9. 8			Staff, B-Shipbuild, Yokosuka NYd
1923. 4. 1			Staff, B-Adm, Yokosuka NYd / TInsp, B-Shipbuild, Yokosuka NYd
1923. 8.13			Chief, B-Shipbuild, Kure NYd
1925.12. 1	RADM/C
1927.12. 1			Chief, B-Shipbuild, Yokosuka NYd / Chief, CivilEngineer TC
1928. 4. 1			Chief, B-Shipbuild, Yokosuka NYd
1928. 5.16			Chief, B3, NSC
1929.11.30	VADM/C
1930.12. 1			Att, NSC
1931. 3.20			Wait
1931. 3.31	Resv
1940.10. 6	Resv 2
1941. 4. 1	Resv
1942.11. 1	VADM/T
1966. 3.14			died (87)

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Sakaya, Kazuo	Tokyo	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1877.11.15		born
1903. 7.		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1905. 8.21	C/LTJG	Member, Kure ND
1906. 3. 3		Member, Kure ND / Ope.Inst, Nav.Academy
1906. 8.12		Member, Mako GD / Ope.Inst, Nav.Academy
1906. 9.12		Member, Mako GD / Member, Repair Fac, Mako GD / Ope.Inst, Nav.Academy
1906. 9.25	C/LT
1906.10.13		Member, Mako GD / Member, Repair Fac, Mako GD / Staff, B-Shipbuild, Sasebo NYd / Ope.Inst, Nav.Academy
1908. 2. 5		Member, Mako GD / Member, Repair Fac, Mako GD / Staff, B-Shipbuild, Sasebo NYd
1910.10. 6		Staff, B-Shipbuild, Maizuru NYd
1914.12. 1	C/LCDR
1918.12. 1	C/CMDR
1919. 3.11		SVC
1919. 3.12		Trip to USA
1919. 9.23	CMDR/C
1920.10.26		Order of Return
1921. 1.17		Staff, B-Shipbuild, Sasebo NYd
1922.12. 1	CAPT/C
1923.11.20		SVC
1927. 4. 5		SVC, NSC
1927.12. 1	RADM/C	Att, NSC / SVC, NSC
1928. 3.15		Wait
1928. 3.25	Resv
1937.11.13	Resv 2
1940. 1.31		died (62)

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Yamaguchi, Tokujiro	Tokyo	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1878. 9.21		born
1904. 7.		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1905. 2.13	Navy AssistEngineer	Member, NSC
1905. 5.24		Member, Sasebo NYd
1905. 8.21	C/LTJG	Member, Sasebo ND
1905.12.12		Assist Staff, B-Shipbuild, Sasebu NYd
1907. 4. 6		Assist Staff, B-Shipbuild, Sasebu NYd / Att, NSC
1908. 9.25	C/LT	Staff, B-Shipbuild, Sasebo NYd / Att, NSC
1908.10.10		Staff, B-Shipbuild, Sasebo NYd
1909.11.13		Staff, NSC (B3)
1912.11.13		Staff, B-Shipbuild, Kure NYd
1913. 4. 1		Staff, B-Shipbuild, Kure NYd / Inst, Fuji
1914.12. 1	C/LCDR
1915. 8.11		SVC (Trip to UK)
1917. 5. 1		Order of Return
1917. 7.23		Staff, NTC (B4) / SVC
1918.12. 1	C/CMDR	Staff, NTC (B4) / SVC / Att, NGS / Inst, Nav.College
1919. 1.18		Staff, NTC (B4) / SVC / Inst, Nav.College
1919. 9.23	CMDR/C
1920.10. 1		Staff, NSC (B4) / SVC / Inst, Nav.College / Att, DoN
1921. 8.17		Staff, NSC (B4) / SVC / Inst, Nav.College / Att, NGS (S3, N2)
1922.12. 1	CAPT/C
1923.12. 1		Staff, NSC (B4) / SVC / Inst, Nav.College / Att, NGS (S3, N2) / Inst, Med.School / Inst, Pay.Academy
1924. 4.25		Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1925. 4. 1		Chief, B-Shipbuild, Sasebo NYd
1927.12. 1	RADM/C	Att, NSC
1927.12.15		Wait
1927.12.25	Resv
1938. 9.21	Resv 2
1941. 4. 1	Resv
1942.11. 1	RADM/T
1966. 1.28		died (87)

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Tamazawa, Akira	Yamaguchi	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1881. 3.25		born
1903. 9.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1904. 3.25		Student to Constructor officer
1906. 6.20		Graduate from Engineering faculty, Univ. of Tokyo
1906. 6.25	C/LTJG	Assist Staff, B-Shipbuild, Sasebu NYd
1906. 9.13		Assist Staff, B-Shipbuild, Maizuru NYd
1908.10.13	C/LT	Staff, B-Shipbuild, Maizuru NYd
1910.10.18		Staff, B-Shipbuild, Yokosuka NYd
1912. 4. 4		Crew, Katori
1912. 7.22		Crew, Kawachi
1912.11.13		SVC
1914.12. 1	C/LCDR
1915. 3. 2		Staff, B-Shipbuild, Kure NYd
1915. 8.11		Staff, B-Shipbuild, Kure NYd / Inst, Fuji
1916. 5.15		SVC (Trip to UK)
1918. 7.10		Order of Return
1918.12. 1	C/CMDR
1919. 2.12		TInsp, Kure NYd / Staff, B-Shipbuild, Kure NYd
1919. 9.23	CMDR/C
1921. 4.30		Staff, B-Shipbuild, Kure NYd
1922.10.14		SVC (Trip to USA)
1922.12. 1	CAPT/C
1923. 9. 1		SVCO
1924. 2.15		Order of Return
1924. 4.25		Staff, NSC (B4)
1927.12. 1	RADM/C	Chief, B-Shipbuild, Kure NYd
1929.11.30		Chief, B-Shipbuild, Kure NYd / Chief, CivilEngineer TC
1930.12. 1		Chief, B3, NSC
1932.12. 1	VADM/C
1933. 4. 1		Chief, B4, NSC
1934. 4. 5		Att, NSC
1934.12.10		Wait
1934.12.15	Resv
1942.11. 1	VADM/T
1943. 5. 1		Job assistant, NSC
1961. 7.26		died (80)

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Shiomi, Wataro	Mie	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1885. 3. 3		born
1904. 3.25		Student to Constructor officer
1906. 6.20		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1906. 6.25	C/LTJG	Assist Staff, B-Shipbuild, Sasebu NYd
1908.10.13	C/LT	Staff, B-Shipbuild, Sasebo NYd
1910. 3. 3		Crew, Fushimi
1910. 4.20		Staff, B-Shipbuild, Sasebo NYd
1912. 5.22		Staff, B-Shipbuild, Sasebo NYd / TInsp, Sasebo NYd
1912. 5.29		SVC
1912.11.13		Staff, NSC (B3)
1913.12. 1		Staff, NSC (B3) / Inst, Nav.College
1914. 9.10		SVC
1914.12. 1	C/LCDR
1916. 6. 5		Staff, B-Shipbuild, Sasebo NYd / TInsp, Sasebo NYd
1917. 4.20		SVC (Trip to UK)
1918.12. 1	C/CMDR
1919. 8. 1		Order of Return
1919. 9.23	CMDR/C
1919.12. 1		Staff, B-Ship, DoN (S2)
1920.10. 1		Staff, NSC (B4)
1921. 1.24		Staff, B-Shipbuild, Kure NYd
1921. 4.30		TInsp, Kure NYd / Staff, B-Shipbuild, Kure NYd
1922.12. 1	CAPT/C
1922.12.20		Staff, B-Shipbuild, Kure NYd
1925. 2. 2		SVCO
1927. 4. 5		SVCO, NSC
1927.12. 1	RADM/C	Att, NSC
1927.12.15		Wait
1927.12.25	Resv
1935.12.24		Job assistant, NSC
1942. 8.15		resigned Job assistant
1942.11. 1	RADM/T
1971. 4.25		died (86)

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Yamamoto, Mikinosuke	Kyoto	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1883.10.16		born
1904. 9.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1905. 3. 8		Student to Constructor officer
1907. 6.20		Graduate from Engineering faculty, Univ. of Tokyo
1907. 6.26	C/LTJG	Assist Staff, B-Shipbuild, Kure NYd
1909.10.11	C/LT	Staff, B-Shipbuild, Kure NYd
1910. 7.14		Wait
1911. 7.28		Att, NSC (B3)
1913. 1.27		Att, NSC (B3) / Inst, Nav.College
1913.12. 1		SVC
1915. 5. 1		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1915.12.13	C/LCDR
1917. 7. 6		Inst, Nav.College / Inst, Med.School / Inst, Pay.Academy / Staff, NTC (B4)
1918. 7.10		SVC (Trip to UK)
1919. 9.23	LCDR/C
1919.12. 1	CMDR/C
1920.12. 2		Order of Return
1921. 4.30		Staff, NSC (B4) / SVC
1922.12.20		TInsp, Kure NYd / Staff, B-Shipbuild, Kure NYd
1923. 4. 1		Staff, B-Adm, Kure NYd / TInsp, B-Shipbuild, Kure NYd
1923.10.15		Staff, Maizuru GD (NF)
1923.12. 1	CAPT/C
1927.12. 1		Staff, NSC (B3)
1928. 5.16		Chief, B-Shipbuild, Yokosuka NYd
1928.12.10	RADM/C
1932.11.15		Dir, Sasebo NYd
1933.11.15	VADM/C
1934. 4. 5		Chief, B4, NSC
1937.12. 1		Att, NSC
1938. 2. 2		Wait
1938. 2. 3	Resv
1942.11. 1	VADM/T
1944. 5. 5		died (60)

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Kubo, Tsunahiko	Kumamoto	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1881. 1.12		born
1905. 3. 8		Student to Constructor officer
1907. 6.20		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1907. 6.26	C/LTJG	Assist Staff, B-Shipbuild, Yokosuka NYd
1907. 7.13		Assist Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1909.10.11	C/LT	Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1910. 6. 3		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy / TInsp, Yokosuka NYd
1913. 6.18		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1913. 7.16		Staff, B-Shipbuild, Yokosuka NYd
1914. 9.10		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1915. 5. 1		Staff, B-Shipbuild, Kure NYd
1915.12.13	C/LCDR
1916. 5.15		Staff, B-Shipbuild, Kure NYd / Inst, Fuji
1916.12. 9		SVC
1919. 5.20		Trip to UK
1919.12. 1	CMDR/C
1920. 8.20		Order of Return
1920.11. 5		Staff, B-Shipbuild, Maizuru NYd
1921.12. 1		SVC
1923.12. 1	CAPT/C
1925. 2. 2		Staff, B-Shipbuild, Kure NYd
1927.12. 1		Chief, B-Shipbuild, Sasebo NYd
1928.12.10	RADM/C
1930.12. 1		Chief, B-Shipbuild, Kure NYd
1931.12. 1		Att, NSC
1931.12.15		Wait
1931.12.21	Resv
1941. 1.12	Resv 2
1941. 4. 1	Resv
1942.11. 1	RADM/T
1961. .		died (80)

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Nakagawa, Susumu	Aichi	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1882. 8.12		born
1906. 4.20		Student to Constructor officer
1908. 6.20		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1908. 6.30	C/LTJG	Assist Staff, B-Shipbuild, Yokosuka NYd
1910.10. 6		Assist Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1910.12. 1	C/LT	Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1914. 8.13		Staff, B-Shipbuild, Sasebo NYd
1914.12. 1		Att, NGS / Att, NSC (B3)
1915.10. 1		Att, NGS / Att, NTC (B4)
1916. 6. 5		SVC
1916.12. 1	C/LCDR
1919. 1.18		Staff, B-Shipbuild, Maizuru NYd
1919. 9.23	LCDR/C
1920. 5. 7		SVC (Trip to UK)
1920.12. 1	CMDR/C
1921.12.20		Order of Return
1922. 4.15		Staff, B-Shipbuild, Maizuru NYd
1923. 4. 1		Staff, Maizuru GD (NF)
1923. 8. 1		Staff, NSC (B4)
1924. 4.25		Staff, NSC (B4) / Att, NGS (S5, N3)
1924.12. 1	CAPT/C
1925.12. 1		Staff, B-Shipbuild, Yokosuka NYd
1929.11.30		SVCO, NSC
1930.12. 1	RADM/C	Chief, B-Shipbuild, Sasebo NYd
1931.12. 1		Att, NSC
1931.12.15		Wait
1931.12.21	Resv
1942.11. 1	RADM/T
1960.12.13		died (78)

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Sassa, Hatsuki	Kumamoto	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1882. 3. 2		born
1906. 4.20		Student to Constructor officer
1908. 6.20		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1908. 6.30	C/LTJG	Assist Staff, B-Shipbuild, Maizuru NYd
1910. 3. 1		Crew, Ikoma
1910.10.31		SVC / Att, NSC (B3)
1910.12. 1	C/LT
1911. 2. 3		Staff, B-Shipbuild, Kure NYd
1913.12. 1		Staff, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1914.12. 5		SVC
1916.12. 1	C/LCDR
1917. 1.20		Staff, B-Shipbuild, Kure NYd
1917. 3. 5		Staff, B-Shipbuild, Kure NYd / Inst, Fuji
1919. 4. 1		Staff, B-Shipbuild, Kure NYd
1919. 8.18		SVC (Trip to UK)
1919. 8.23	LCDR/C
1920.10.19		Order of Return
1920.12. 1	CMDR/C
1921. 1.24		Staff, NSC (B4) / SVC
1921. 8.22		Staff, B-Shipbuild, Sasebo NYd
1923. 8.25		Staff, B-Shipbuild, Yokosuka NYd
1924.12. 1	CAPT/C
1925. 1.12		Staff, B-Shipbuild, Yokosuka NYd / Inst, Fuji
1925. 2. 2		Staff, B-Adm, Yokosuka NYd / TInsp, B-Shipbuild, Yokosuka NYd / Inst, Gun.School / Inst, Torp.School
1925. 4. 1		Staff, B-Adm, Yokosuka NYd / TInsp, B-Shipbuild, Yokosuka NYd / Inst, Gun.School / Inst, Torp.School / Inst, CivilEngineer TC
1926.12. 1		Staff, B-Adm, Yokosuka NYd / TInsp, B-Shipbuild, Yokosuka NYd / Inst, Torp.School / Inst, CivilEngineer TC
1927.12. 1		SVCO, NSC
1929.11.30	RADM/C	Att, NSC
1929.12.15		Wait
1929.12.25	Resv
1942.11. 1	RADM/T
1955. 9. 8		died (73)

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Kawahigashi, Takushiro	Ehime	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1885. 3.10		born
1906. 9.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1907. 4. 1		Student to Constructor officer
1909. 6.19		Graduate from Engineering faculty, Univ. of Tokyo
1909. 6.30	C/LTJG	Assist Staff, B-Shipbuild, Sasebu NYd
1911.12. 1	C/LT	Staff, B-Shipbuild, Sasebo NYd
1912. 6.17		Staff, B-Shipbuild, Sasebo NYd / TInsp, Sasebo NYd
1915. 5. 1		Staff, B-Shipbuild, Yokosuka NYd
1917.12. 1	C/LCDR
1918. 6. 1		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1919. 1.18		Staff, NTC (B4) / SVC
1919. 9.23	LCDR/C
1920. 4. 1		Assist Staff, 1F
1920. 9. 1		SVC (Trip to USA)
1921.12. 1	CMDR/C
1922.12.15		Order of Return
1923. 2.10		Staff, NSC
1923. 3.15		Job assistant, Teacher, Engineering faculty, Univ. of Tokyo
1923.10.25		Staff, NSC / Staff, B-Sup, DoN
1924. 4.25		Staff, NSC / Staff, B-Sup, DoN / Inst, Nav.College / Inst, Med.School / Inst, Pay.Academy
1924. 7.25		SVC
1924. 9.13		resigned Job assistant, Univ. of Tokyo
1925.12. 1	CAPT/C
1927.12. 1		Staff, Maizuru GD
1931.12. 1	RADM/C	Chief, B-Shipbuild, Sasebo NYd
1933.11.15		Chief, B-Shipbuild.Res, Tech.Rsch
1935.10.10		Att, NSC
1936.12. 1	VADM/C
1936.12.15		Wait
1936.12.22	Resv
1937. 9.18		Professor, Engineering faculty, Univ. of Kyushu
1942.11. 1	VADM/T
1944. 4. 1		Professor, Engineering faculty, Univ. of Kyushu / Dir, Inst. of Tech, attached to Univ. of Kyushu (handling)
1944. 5. 8		Professor, Engineering faculty, Univ. of Kyushu / Dir, Inst. of Tech, attached to Univ. of Kyushu / Professor, Inst. of Tech, attached to Univ. of Kyushu
1947. 5. 9		died (62)

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Yatsushiro, Hitoshi	Tokyo	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Other title	Job
1884. 6. 6			born
1908. 4.26			Student to Constructor officer
1908. 6.			Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1909. 6.			Graduate from Postgraduate school, Univ. of Tokyo
1909. 6.30	C/LTJG		Att, NSC (B3)
1911. 2. 3			Assist Staff, B-Shipbuild, Sasebu NYd
1911.12. 1	C/LT		Staff, B-Shipbuild, Sasebo NYd
1913. 1. 8			Staff, B-Shipbuild, Sasebo NYd / Member, 1F
1913. 5.24			Crew, Settsu
1913. 9.26			Att, NSC (B3)
1913.12. 1			Att, NSC (B3) / Staff, Ship Style Research
1914.10. 1			Staff, NTC (B4) / Staff, Ship Style Research
1916. 8. 1			Staff, Ship Style Research / Staff, NTC (B4)
1917.12. 1	C/LCDR
1919. 8. 1			SVC (Trip to UK)
1919. 9.23	LCDR/C
1921. 3.24			Order of Return
1921. 8.17			Staff, Ship Style Research / Staff, NSC (B4)
1921.12. 1	CMDR/C
1923. 4. 1			Staff, Tech.Rsch / Staff, NSC (B4)
1924. 5.10			Staff, Tech.Rsch / Staff, NSC (B4) / SVC
1924. 8.25			SVC (Trip to Ger)
1925. 1.20			Trip to UK
1925.12. 1	CAPT/C
1926. 2.20			Order of Return
1926. 8.20			Att, Tech.Rsch
1926.11. 1			Chief, B-Shipbuild.Res, Tech.Rsch
1931.12. 1	RADM/C
1932.11.15			Att, NSC
1932.12.10			Wait
1932.12.15	Resv
1934. 7.21		Eng.Dr
1934. 9.29			Professor, Univ. of Osaka
1942.11. 1	RADM/T
1943. 3.31			Dir, Engineering faculty, Univ. of Osaka
1963. 8.12			died (79)

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Ikeda, Taiichi	Okayama	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1885. 3.10		born
1907. 7.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1908. 4.27		Student to Constructor officer
1910. 6.21		Graduate from Engineering faculty, Univ. of Tokyo
1910. 6.29	C/LTJG	Assist Staff, B-Shipbuild, Yokosuka NYd
1912. 4.27		Assist Staff, B-Shipbuild, Sasebu NYd
1912.12. 1	C/LT	Staff, B-Shipbuild, Sasebo NYd
1917. 1.20		SVC
1918.12. 1	C/LCDR
1919. 1.18		Staff, B-Shipbuild, Sasebo NYd
1919. 9. 6		Staff, B-Shipbuild, Maizuru NYd
1919. 9.23	LCDR/C
1920. 9. 1		SVC (Trip to UK)
1921.11.10		Order of Return
1922. 3.10		Staff, B-Shipbuild, Sasebo NYd
1922.12. 1	CMDR/C
1923. 4. 1		Staff, B-Adm, Sasebo NYd / TInsp, B-Shipbuild, Sasebo NYd
1926. 8.10		SVC
1926.12. 1	CAPT/C
1927. 4. 5		SVC, NSC
1927. 7.23		SVC, NSC / Att, NSC / Staff, Temp.B-Shipbuild, DoN
1927.11.15		Att, NSC / SVC, NSC
1928. 8.10		SVC, NSC
1932. 9.26		Staff, NSC (B3)
1932.11.15		Chief, B-Shipbuild, Yokosuka NYd
1932.12. 1	RADM/C
1936.12. 1	VADM/C	Att, NSC
1936.12.15		Wait
1936.12.20	Resv
1942.11. 1	VADM/T
1971.12.18		died (86)

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Hozumi, Ritsunosuke	Tokyo	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1884. 8.13		born
1910. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1910. 7.14	C/LTJG	Assist Staff, B-Shipbuild, Kure NYd
1911.11. 2		SVC (Trip to Fr)
1912.12. 1	C/LT
1914. 9. 4		Order of Return
1914.12. 5		Staff, B-Shipbuild, Kure NYd
1915. 3. 2		SVC
1915. 3. 8		Trip to Fr
1916. 2.14		Order of Return
1916. 6. 3		Staff, B-Shipbuild, Kure NYd
1917. 2.21		Staff, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1918.12. 1	C/LCDR
1919. 9.23	LCDR/C
1920. 9.24		Staff, B-Shipbuild, Kure NYd / Inst, Sub.School
1922. 5. 5		Staff, NSC (B4) / SVC
1922.12. 1	CMDR/C
1923. 6.20		Staff, NSC (B4) / SVC / Assist Staff, GF
1923. 7.20		Staff, NSC (B4) / SVC
1925.12. 1		Staff, NSC (B4) / SVC / Att, NGS (S3, N2)
1926.12. 1	CAPT/C
1931.12. 1		Chief, B-Shipbuild, Kure NYd
1932. 9. 8		Att, NSC (B3)
1932.12. 1	RADM/C
1933. 5. 8		Chief, B-Shipbuild.Res, Tech.Rsch
1933.11.15		Att, NSC
1933.12.11		Wait
1933.12.15	Resv
1942.11. 1	RADM/T
1943. 1.25		Job assistant, NSC
1959. 2.23		died (74)

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Kuwabara, Shigeharu	Yamaguchi	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1886. 5.10		born
1906. 7.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1909. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1911. 6.24	C/LTJG	Member, Yokosuka ND
1911. 8. 5		Member, Sasebo NYd
1911.12. 4		Assist Staff, B-Shipbuild, Sasebu NYd
1913.12. 1	C/LT	Staff, B-Shipbuild, Sasebo NYd
1919. 3.19		Wait
1919. 7.18		Staff, B-Shipbuild, Sasebo NYd
1919. 9.23	LT/C
1919.12. 1	LCDR/C
1921. 2.26		Att, NGS (S3, N2)
1921. 3. 3		Att, NGS (S3, N2) / Staff, NSC / Inst, Med.School / Inst, Pay.Academy
1921. 8.17		SVC (Trip to UK)
1922.10. 6		Order of Return
1923.12. 1	CMDR/C
1924. 7.25		Staff, NSC / Staff, B-Sup, DoN / Inst, Nav.College / Inst, Med.School / Inst, Pay.Academy
1925.12. 1		Staff, NSC / Inst, Nav.College / Inst, Med.School / Inst, Pay.Academy
1927.12. 1	CAPT/C	Staff, NSC / Inst, Nav.College
1928. 3.15		SVC, NSC
1928.12.10		Staff, B-Shipbuild, Sasebo NYd
1931.12. 1		Staff, Maizuru GD
1932. 9. 8		Chief, B-Shipbuild, Kure NYd
1932.10.10		Chief, B-Shipbuild, Kure NYd / Chief, CivilEngineer TC
1933.11.15	RADM/C
1935. 7. 1		Chief, B-Shipbuild, Kure NYd / Chief, B-Shipbuild.Res, Kure NYd / Chief, CivilEngineer TC
1935.12. 1		Chief, B-Shipbuild, Kure NYd / Chief, CivilEngineer TC
1937.12. 1	VADM/C	Chief, B4, NSC
1941.10.15		Att, NSC
1941.12.20		Wait
1941.12.22	Resv
1942. 5.25		Job assistant, NSC
1942.11. 1	VADM/T

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Suzuki, Kakuji	Chiba	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1887. 1. 1		born
1908. 7.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1910. 7.15		Student to Constructor officer
1911. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1911. 7.13	C/LTJG	Member, Yokosuka ND
1911. 8. 5		Member, Kure NYd
1911.12. 4		Assist Staff, B-Shipbuild, Kure NYd
1913.12. 1	C/LT	Staff, B-Shipbuild, Kure NYd
1914.12. 5		Staff, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1916.12.19		Staff, B-Shipbuild, Kure NYd
1917. 1.20		Staff, B-Shipbuild, Kure NYd / SVC
1917. 4.20		SVC
1917.12. 8		Trip to UK
1919. 3.12		Order of Return
1919. 8. 1		Staff, B-Shipbuild, Yokosuka NYd / SVC
1919. 9.23	LT/C
1919.12. 1	LCDR/C
1920.12. 1		Staff, NSC
1921. 7. 6		Staff, B-Shipbuild, Maizuru NYd
1921.10. 5		Assist Staff, 5S
1921.11. 3		Staff, B-Shipbuild, Maizuru NYd
1922. 4. 1		Staff, B-Shipbuild, Kure NYd / Inst, Sub.School
1923.12. 1	CMDR/C
1927.12. 1	CAPT/C
1928. 2.25		Staff, B-Shipbuild, Kure NYd
1929. 5.15		Att, NSC (B3)
1931. 2.10		Staff, NSC (B3) / Inst, Nav.College
1932.11.15		Staff, Maizuru GD
1933.11.15		Chief, B-Shipbuild, Sasebo NYd
1934.11.15	RADM/C
1935.10.25		Chief, B-Shipbuild.Res, Tech.Rsch
1936.12. 1		Chief, B-Shipbuild, Yokosuka NYd
1938.11.15	VADM/C	Att, NSC
1938.12.15		Wait
1938.12.21	Resv
1942.11. 1	VADM/T
1944. 2. 7		died (57)

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Fujimoto, Kikuo	Ishikawa	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1888. 1.12		born
1909. 7.16		Student to Constructor officer
1911. 7.		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1911. 7.13	C/LTJG	Member, Yokosuka ND
1911. 8. 5		Member, Yokosuka NYd
1911.12. 4		Assist Staff, B-Shipbuild, Yokosuka NYd
1913.12. 1	C/LT	Staff, B-Shipbuild, Yokosuka NYd
1916. 4. 1		SVC
1917. 2.21		Resident in UK
1919. 9.23	LT/C
1919.12. 1	LCDR/C
1920.11. 5		Order of Return
1921. 1.24		Staff, NSC / SVC
1921. 4.23		Job assistant, Teacher, Engineering faculty, Univ. of Tokyo
1923.12. 1	CMDR/C
1924. 7.21		Staff, NSC / SVC / Assist Staff, GF
1924. 8.15		Staff, NSC / SVC
1926. 4.22		resigned Job assistant
1927. 4.14		Attendant to Plenipotentiary, Geneva conference
1927.12. 1	CAPT/C	Staff, NSC (B4)
1933.11.15	RADM/C	Att, NSC (B4)
1934. 4. 5		Att, NSC (B4) / Att, Tech.Rsch (B-Shipbuild.Res)
1935. 1. 9		died (46)

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Masaki, Nobutsune	Kumamoto	Univ. of Tokyo
Vice-admiral (constructor)

Date	Rank	Job
1886. 6. 9		born
1909. 9.		entrance to Engineering faculty, Univ. of Tokyo
1911. 8.18		Student to Constructor officer
1912. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1912. 7.10	C/LTJG	Member, Yokosuka ND
1912. 8. 9		Member, Kure ND
1912.12.20		Assist Staff, B-Shipbuild, Kure NYd
1914.12. 1	C/LT	Staff, B-Shipbuild, Kure NYd
1916.12.19		Staff, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1917. 2.21		SVC
1918. 1.31		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1918. 6. 1		Crew, Yamashiro
1918.11. 1		Staff, B-Shipbuild, Yokosuka NYd
1919. 1.18		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1919. 9.15		Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC / Inst, Eng.Academy
1919. 9.23	LT/C
1920.12. 1	LCDR/C
1921.12.10		Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1922. 1.10		SVC (Trip to UK)
1923. 9.27		Order of Return
1923.12.10		Staff, B-Shipbuild, Sasebo NYd
1924.12. 1	CMDR/C
1925.11. 1		Staff, B-Adm, Kure NYd / TInsp, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1927.12. 1		SVCO, NSC
1928. 8.10		Att, NSC / SVCO, NSC
1929. 8. 1		SVC, NSC
1929.11.30	CAPT/C
1933. 2. 6		SVC, NSC / SVO, NAC
1933.11.15		SVCO, NSC
1935.10.25		Chief, B-Shipbuild, Sasebo NYd
1935.11.15	RADM/C
1937.12.15		Chief, B-Shipbuild, Kure NYd
1938.11.15		Chief, B-Shipbuild, Kure NYd / Chief, B-Shipbuild.Res, Kure NYd
1939.11. 1		Chief, B-Shipbuild, Kure NYd
1939.11.10	VADM/C	Att, NSC
1940. 3.15		Wait
1940. 3.21	Resv
1942.11. 1	VADM/T
1957. 6.30		died (71)

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Hashiguchi, Yasutaka	Tokyo	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1885. 4.28		born
1910. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1912. 2.19	C/LTJG	Member, Yokosuka NYd
1912. 7.10		Member, Yokosuka ND
1912. 8. 9		Assist Staff, B-Shipbuild, Yokosuka NYd
1914.12. 1	C/LT	Staff, B-Shipbuild, Yokosuka NYd
1915. 2.18		Staff, NF, Kanto-maru
1915. 8. 3		Crew, Asama
1915. 9. 3		Staff, NF, Kanto
1915.12.13		Staff, B-Shipbuild, Yokosuka NYd
1916. 4. 1		Staff, B-Shipbuild, Maizuru NYd
1919. 6. 1		SVC
1919. 9.23	LT/C
1920.12. 1	LCDR/C
1921. 2. 9		Trip to UK
1922. 3.24		Order of Return
1922. 7.10		Staff, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1924.12. 1	CMDR/C
1925. 2. 2		Staff, B-Adm, Kure NYd / TInsp, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1927. 7.20		Staff, B-Adm, Kure NYd / TInsp, B-Shipbuild, Kure NYd / Inst, Nav.Academy / Assist Staff, GF
1927. 9. 5		Staff, Maizuru GD (NF)
1928. 2. 1		Staff, B-Shipbuild, Yokosuka NYd
1928.12.10		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.School / Inst, Kasuga
1929. 6.15		Staff, B-Adm, Yokosuka NYd / TInsp, B-Shipbuild, Yokosuka NYd / Inst, Eng.School / Inst, Kasuga
1929.11.30	CAPT/C
1930.12. 1		SVCO, NSC
1933.11.15		Staff, Maizuru GD (NF)
1935.11.15	RADM/C	Att, NSC (B4)
1936. 3.28		Wait
1936. 3.30	Resv
1942. 8.15		Job assistant, DoN
1942.11. 1	RADM/T
1948. 3.28		died (62)

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Fukuda, Keiji	Aichi	Univ. of Tokyo
Vice-admiral (technical)

Date	Rank	Job
1890.12. 1		born
1911. 7.		entrance to Engineering faculty, Univ. of Tokyo
1912. 7.25		Student to Constructor officer
1914. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1914. 7.10	C/LTJG	Member, Yokosuka ND
1914. 9.10		Member, Yokosuka NYd
1915. 2. 5		Assist Staff, B-Shipbuild, Yokosuka NYd
1916.12. 1	C/LT	Staff, B-Shipbuild, Yokosuka NYd
1917. 7. 6		Staff, B-Shipbuild, Yokosuka NYd / Inst, Eng.Academy
1918. 1.31		Staff, NTC (B4) / SVC
1919. 8. 1		Staff, Ship Style Research / Staff, NTC (B4)
1919. 9.23	LT/C
1920. 4. 9		Resident in UK
1922.12. 1	LCDR/C
1923. 9. 1		Order of Return
1923.12.10		Staff, NSC (B4) / Inst, Nav.College
1924. 7.15		Staff, NSC (B4) / Inst, Nav.College / Assist Staff, GF
1924. 8. 6		Staff, NSC (B4) / Inst, Nav.College
1924. 9.13		Job assistant, Teacher, Univ. of Tokyo
1926. 2.30		resigned Job assistant, Univ. of Tokyo
1926.12. 1	CMDR/C	Staff, B-Shipbuild, Yokosuka NYd / Inst, Gun.School
1927. 4.10		Staff, B-Shipbuild, Yokosuka NYd / Inst, Gun.School / Staff, NSC (B3)
1927.10. 1		Staff, B-Shipbuild, Yokosuka NYd / Inst, Gun.School
1929. 4. 1		Staff, NSC (B3) / Inst, Nav.College
1929.11.12		Attendant to Plenipotentiary, London conference
1930. 5.20		Return
1930.12. 1	CAPT/C	Staff, B-Shipbuild, Kure NYd
1934. 3.31		Att, NSC (B4)
1934. 5.25		Staff, NSC (B4)
1936.12. 1	RADM/C	Att, NSC (B4)
1940.11.15	VADM/C
1941.10.15		Chief, B4, NSC
1942. 5.27		Chief, B4, NSC / Professor, Univ. of Tokyo
1942.11. 1	VADM/T
1943. 8.14		Tech Supervisor, NSC
1945. 9.15	Resv
1964. 3.29		died (73)

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Niwata, Shozo	Wakayama	Univ. of Tokyo
Vice-admiral (technical)

Date	Rank	Job
1889. 9.29		born
1912. 7.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1915. 1.14		Student to Constructor officer
1915. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1915. 7.12	C/LTJG	Member, Yokosuka ND
1915. 9.21		Member, Kure NYd
1916. 4. 1		Assist Staff, B-Shipbuild, Kure NYd
1917.12. 1	C/LT	Staff, B-Shipbuild, Kure NYd
1919. 1.18		Staff, B-Shipbuild, Sasebo NYd
1919. 9.23	LT/C
1922. 5.10		SVC
1923. 6.11		Trip to UK
1923.12. 1	LCDR/C
1924. 8.25		Order of Return
1925. 2. 2		Staff, B-Shipbuild, Kure NYd
1927.12. 1	CMDR/C	SVC, NSC
1929. 8. 1		Staff, B-Shipbuild, Yokosuka NYd
1932. 9.26		SVC, NSC
1932.12. 1	CAPT/C
1934. 7.10		Staff, B-Shipbuild, Kure NYd / Staff, Army B-Trans
1935. 9. 2		Staff, B-Shipbuild, Kure NYd
1935.11.15		Staff, Maizuru GD
1935.12. 1		Staff, Maizuru GD (Chief, B-Shipbuild, NF)
1936. 7. 1		Chief, B-Shipbuild, Maizuru NYd
1937.12.15		Chief, B-Shipbuild, Sasebo NYd
1938.11.15	RADM/C
1939.11.15		Chief, B-Shipbuild, Kure NYd
1941. 4.21		Chief, B-Shipbuild, Kure NYd / Chief, CivilEngineer TC
1942. 9.15		Att, NSC (B4)
1942.11. 1	VADM/T
1942.12.15		Wait
1942.12.21	Resv
1980. 4. 9		died (90)

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Murakami, Yoshitsugu	Oita	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1890. 3.28		born
1914. 2.28		Student to Constructor officer
1915. 7.		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1915. 7.12	C/LTJG	Member, Yokosuka ND
1915. 9.21		Member, Yokosuka NYd
1916. 4. 1		Assist Staff, B-Shipbuild, Yokosuka NYd
1917.12. 1	C/LT	Staff, B-Shipbuild, Yokosuka NYd
1918. 1.22		Assist Staff, 1st Special Task Fleet
1918. 6.19		Staff, B-Shipbuild, Yokosuka NYd
1919. 4. 1		Inst, CivilEngineer TC / Staff, B-Shipbuild, Yokosuka NYd
1919. 7.10		Crew, Yamashiro
1919. 9.23	LT/C
1919.10.25		Staff, B-Shipbuild, Kure NYd
1920. 8.24		Staff, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1922. 7.10		SVC (Trip to UK)
1923.12. 1	LCDR/C
1923.12.15		Order of Return
1924. 6.25		Staff, B-Shipbuild, Yokosuka NYd
1927.12. 1	CMDR/C	Staff, NSC (B3) / Inst, Nav.College
1928. 8.10		Staff, NSC (B3) / Inst, Nav.College / Assist Staff, GF
1928.12.10		Staff, NSC (B3) / Inst, Nav.College
1929.11.30		Staff, NSC (B3)
1931.11.27		Att, NGS / Att, DoN
1931.12. 1	CAPT/C
1931.12. 9		Attendant to Plenipotentiary, Geneva conference
1932. 9.26		Staff, B-Shipbuild, Yokosuka NYd
1932.10. 1		resigned Attendant to Plenipotentiary, Geneva conference
1933.10.20		Staff, NSC (B4) / SVC, NSC
1934. 5.25		Staff, NSC (B4)
1936. 9.16		Att, NSC
1936.10.24		Wait
1937. 8. 9		Att, NSC
1937.11.15		Member, Kure ND
1937.12. 1		Chief, B-Shipbuild, Kure NYd
1937.12.15		Att, NSC
1938. 4.15		Wait
1938. 5.22	RADM/C	died (48)

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Tokugawa, Takesada	Tokyo	Univ. of Tokyo
Vice-admiral (technical)

Date	Rank	Other title	Job
1888.10.12			born
1892. 5. 3		Viscount (succeeding)
1916. 7.			Graduate from Engineering faculty, Univ. of Tokyo
1916. 7.15	C/LTJG		Member, Yokosuka ND
1916. 9.16			Member, Kure NYd
1917. 4.20			Assist Staff, B-Shipbuild, Kure NYd
1918.12. 1	C/LT		Staff, B-Shipbuild, Kure NYd
1919. 9.23	LT/C
1920. 4. 9			Staff, Ship Style Research / Staff, NTC (B4)
1920.10. 1			Staff, Ship Style Research / Staff, NSC (B4)
1921. 8.17			Staff, NSC (B4) / Staff, Ship Style Research / SVC
1922. 3.24			Member, Yokosuka ND (Study in UK by own payment)
1924. 1.10			Staff, NSC (B4) / Staff, Tech.Rsch (B-Rsch)
1924.12. 1	LCDR/C
1925. 2. 2			Staff, NSC (B4) / Staff, Tech.Rsch (B-Rsch) / Inst, Nav.College
1926. 8.20			Staff, Tech.Rsch (B-Shipbuild.Res/B-Sci.Res) / Staff, NSC (B4) / Inst, Nav.College
1928.12.10	CMDR/C
1930. 4.12		Eng.Dr
1931. 4.11			Wait
1931. 7. 6			Staff, Tech.Rsch (B-Shipbuild.Res/B-Sci.Res) / Att, NSC (B3)
1932.12. 1	CAPT/C
1934. 7.10			Att, NSC (B4) / Att, Tech.Rsch
1935. 5.10			Staff, Tech.Rsch (B-Shipbuild.Res/B-Sci.Res) / Att, NSC (B4)
1936.12. 1			Chief, B-Shipbuild.Res, Tech.Rsch
1938. 3.31			Professor, Univ. of Tokyo
1938.11.15	RADM/C
1942.11. 1	VADM/T		Dir, Tech.Rsch
1944.10. 2			resigned Professor, Univ. of Tokyo
1944.12.20			Att, NSC
1945. 4.16			Wait
1945. 4.20	Resv
1957.11.29			died (69)

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Watanabe, Takeo	Hokkaido	Univ. of Tokyo
Rear admiral (constructor)

Date	Rank	Job
1890. 6.26		born
1916. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1916. 7.15	C/LTJG	Member, Yokosuka ND
1916. 9.16		Member, Yokosuka NYd
1917. 4.20		Assist Staff, B-Shipbuild, Yokosuka NYd
1918.12. 1	C/LT	Staff, NTC (B4)
1919. 7.10		Crew, Aso
1919. 9.23	LT/C
1919.10.25		SVC
1922. 5.10		Staff, NSC (B4)
1923.12. 1		SVC (Trip to UK)
1924.12. 1	LCDR/C
1925. 5. 1		Order of Return
1925.11. 1		Staff, B-Shipbuild, Sasebo NYd
1927. 5.20		Staff, B-Shipbuild, Yokosuka NYd
1927.12. 1		Staff, B-Adm, Yokosuka NYd / TInsp, B-Shipbuild, Yokosuka NYd / Inst, Torp.School
1928.12.10	CMDR/C
1929. 5.15		Staff, B-Adm, Yokosuka NYd / TInsp, B-Shipbuild, Yokosuka NYd
1929. 6.15		Staff, NSC (B3)
1930. 1.25		Assist Staff, GF
1930.12. 1		Staff, B-Adm, Yokosuka NYd / TInsp, B-Shipbuild, Yokosuka NYd / Inst, Eng.School / Inst, Kasuga
1932.11.15		Staff, B-Shipbuild, Yokosuka NYd / SVCO, NSC
1933. 6.15		Staff, NSC (B4)
1933.11.15	CAPT/C
1934. 5.25		SVCO, NSC
1935. 5.20		SVC, NSC
1935.10.25		SVCO, NSC
1938. 1.17		SVCO, NSC / Supervisor, Tokyo
1939.11.15	RADM/C	Att, NSC
1939.12.15		Wait
1939.12.21	Resv
1970. .		died (80)

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Ezaki, Iwakichi	Tokyo	Univ. of Tokyo
Vice-admiral (technical)

Date	Rank	Job
1890.12. 1		born
1913. 7.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1916. 4. 1		Student to Constructor officer
1917. 7.		Graduate from Engineering faculty, Univ. of Tokyo
1917. 7.24	C/LTJG	Member, Yokosuka ND
1917.10. 8		Member, Kure NYd
1918. 6. 1		Assist Staff, B-Shipbuild, Kure NYd
1919. 9.23	LTJG/C
1919.12. 1	LT/C	Staff, B-Shipbuild, Kure NYd
1921. 2. 9		SVC
1922. 4.17		Job assistant, teacher, Osaka Inst. of Tech
1922. 9. 8		Staff, NSC
1922.10.11		resigned Job assistant
1923. 4. 1		Resident in UK
1924.12. 1	LCDR/C
1926. 7. 1		Order of Return
1926.10. 1		Staff, NSC
1926.12. 1		Staff, NSC / Inst, Nav.College
1928. 2. 1		Staff, NSC / Inst, Nav.College / Assist Staff, GF
1928. 6. 1		Staff, NSC / Inst, Nav.College
1929. 4. 1		Staff, B-Shipbuild, Yokosuka NYd / Inst, Gun.School
1929.11.30	CMDR/C
1931. 1.25		Member, Yokosuka ND
1931. 3.19		Wait
1931.12.21		Staff, NSC / Att, NGS
1934.11.15	CAPT/C
1935.11.18		Att, Tech.Rsch (B-Shipbuild.Res)
1936. 4.20		Att, Tech.Rsch (B-Shipbuild.Res) / Staff, NSC (B4)
1936.12. 1		Chief, B-Shipbuild.Res, Kure NYd
1938.11.15		Chief, B-Shipbuild, Yokosuka NYd
1940.11.15	RADM/C	Att, NSC (B4)
1942.11. 1	RADM/T
1943. 8.14		Chief, B4, NSC
1944. 5. 1	VADM/T
1945.10.15	Resv
1986. 1.16		died (95)

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Fukuda, Tadashi	Tokyo	Univ. of Tokyo
Vice-admiral (technical)

Date	Rank	Job
1893. 1.26		born
1915. 7.		entrance to Shipbuilding department, Engineering faculty, Univ. of Tokyo
1917. 7.19		Student to Constructor officer
1918. 7. 9		Graduate from Engineering faculty, Univ. of Tokyo
1918. 7.20	C/LTJG	Member, Yokosuka ND
1918.10.12		Member, Sasebo NYd
1919. 3. 1		Assist Staff, B-Shipbuild, Sasebu NYd
1919. 9.23	LTJG/C
1920. 7.16		Crew, Karasaki
1920.10.19		SVC
1920.12. 1	LT/C
1921. 1. 8		Staff, B-Shipbuild, Sasebo NYd
1922. 9. 1		SVC
1923.10.25		Staff, Maizuru GD
1925. 5. 1		SVC (Trip to UK)
1925.12. 1	LCDR/C
1926.10. 1		Order of Return
1927. 4. 1		Staff, B-Shipbuild, Kure NYd
1928. 6. 1		Staff, B-Shipbuild, Kure NYd / Assist Staff, GF
1928. 8.10		Staff, B-Shipbuild, Kure NYd
1928.12.10		Staff, B-Shipbuild, Kure NYd / SVC, NSC
1930.12. 1	CMDR/C
1931. 6.25		Staff, B-Shipbuild, Sasebo NYd
1933. 6.15		Staff, B-Shipbuild, Yokosuka NYd
1935.11.15	CAPT/C
1937.12. 1		Chief, B-Shipbuild, Maizuru NYd
1939.10.15		Staff, NSC (B4)
1940.11.15		Chief, B-Shipbuild, Sasebo NYd
1941.10.15	RADM/C	Att, NSC
1942. 9.15		Chief, B-Shipbuild, Kure NYd / Chief, 1st CivilEngineer TC
1942.11. 1	RADM/T	Chief, B-Shipbuild, Kure NYd / Chief, B-Shipbuild.Res, Kure NYd / Chief, 1st CivilEngineer TC
1942.12. 5		Chief, B-Shipbuild, Kure NYd / Chief, 1st CivilEngineer TC
1943. 7.28		Chief, B-Shipbuild, Kure NYd / Chief, B-Shipbuild.Res, Kure NYd / Chief, 1st CivilEngineer TC
1944.10. 1		Chief, B-Shipbuild, Kure NYd / Chief, B-Shipbuild.Res, Kure NYd
1944.12. 1		Chief, B-Shipbuild, Kure NYd
1945. 5. 1	VADM/T	Chief, B-Shipbuild, Kure NYd / Chief, B-Shipbuild.Res, Kure NYd
1945. 8. 5		Att, NAC
1945. 9.15	Resv
1967. 8.29		died (74)

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Watanabe, Ryukichi	Tokyo	Univ. of Tokyo
Rear admiral (technical)

Date	Rank	Job
1893.10.15		born
1916. 7.13		Student to Constructor officer
1918. 7. 9		Graduate from Shipping department, Engineering faculty, Univ. of Tokyo
1918. 7.20	C/LTJG	Member, Yokosuka ND
1918.10.12		Member, Maizuru NYd
1919. 3. 1		Assist Staff, B-Shipbuild, Maizuru NYd
1919. 9.23	LTJG/C
1919.12. 1		Assist Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1920. 7.16		Crew, Ise
1920.10.19		Assist Staff, B-Shipbuild, Yokosuka NYd
1920.11. 5		Assist Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1920.12. 1	LT/C	Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1922. 9. 8		SVC
1922.10.11		Job assistant, teacher, Osaka Inst. of Tech
1923. 1.22		resigned Job assistant
1923.12. 1		Trip to USA
1925. 5. 1		Order of Return
1925. 8.22		Staff, NSC (B4)
1925.12. 1	LCDR/C
1927.12. 1		Staff, B-Adm, Kure NYd / TInsp, B-Shipbuild, Kure NYd / Inst, Nav.Academy
1929. 9. 1		Staff, B-Shipbuild, Kure NYd
1930.12. 1	CMDR/C
1931.10.10		Staff, NSC (B3)
1934. 7.10		SVC, NSC
1935. 5.10		Att, NSC (B4)
1935.11.15	CAPT/C	Staff, B-Shipbuild, Kure NYd
1936. 9.16		Staff, NSC (B4)
1939.11.15		Chief, B-Shipbuild, Sasebo NYd
1940.11.15		Chief, B-Shipbuild, Yokosuka NYd
1941.10.15	RADM/C
1942.11. 1	RADM/T
1944.12. 1		Att, NSC (B4)
1945. 4.16		Wait
1945. 4.20	Resv
1950. 6.22		died (56)

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Katayama, Ariki	Hiroshima	Univ. of Tokyo
Rear admiral (technical)

Date	Rank	Job
1894. 8.19		born
1919. 7.10		Graduate from Shipping department, Engineering faculty, Univ. of Tokyo
1919. 7.18	C/LTJG	Member, Yokosuka ND
1919. 9.23	LTJG/C
1919.10.14		Member, Sasebo NYd
1920. 2.21		Assist Staff, B-Shipbuild, Sasebu NYd
1921.12. 1	LT/C	Staff, B-Shipbuild, Sasebo NYd
1923.12. 1		SVC
1924. 2.13		Job assistant, teacher, Osaka Inst. of Tech
1925.12. 1		Staff, NSC (B4)
1926. 5.24		resigned Job assistant
1926.10. 1		SVC (Trip to UK)
1926.12. 1	LCDR/C
1927. 4. 5		SVC, NSC
1927. 6.15		Trip to Ger
1928. 3.19		Order of Return
1928. 9. 1		Staff, NSC (B3/B5)
1930.12. 1		Job assistant, Teacher, Engineering faculty, Univ. of Tokyo
1931.12. 1	CMDR/C
1935. 4.20		Staff, B-Shipbuild, Kure NYd
1935. 5.18		resigned Job assistant
1935. 9. 2		Staff, B-Shipbuild, Kure NYd / Staff, Army B-Trans
1936.12. 1	CAPT/C	Staff, NSC (B4)
1942.11. 1	RADM/T	Att, NSC (B4)
1942.12. 5		Chief, B-Shipbuild.Res, Kure NYd
1943. 7.28		Att, NSC (B4)
1944.10. 2		Professor, Univ. of Tokyo
1945. 9.15	Resv
1985.12.22		died (91)

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Saito, Rokuro	Kochi	Univ. of Tokyo
Rear admiral (technical)

Date	Rank	Job
1893. 9. 9		born
1918. 7. 1		Student to Constructor officer
1919. 7.10		Graduate from Shipping department, Engineering faculty, Univ. of Tokyo
1919. 7.18	C/LTJG	Member, Yokosuka ND
1919. 9.23	LTJG/C
1919.10.14		Member, Kure NYd
1920. 2.21		Assist Staff, B-Shipbuild, Kure NYd
1921.12. 1	LT/C	Staff, B-Shipbuild, Kure NYd
1923. 6.11		SVC
1924. 9.20		Staff, B-Shipbuild, Sasebo NYd
1926.12. 1	LCDR/C
1927. 6.15		SVC, NSC (Trip to UK)
1928.11.15		Order of Return
1929. 5.15		Staff, B-Shipbuild, Yokosuka NYd / Inst, Torp.School
1930. 6. 1		Staff, B-Shipbuild, Yokosuka NYd / Inst, Torp.School / Inst, Comm.School
1931.12. 1	CMDR/C
1933.11.15		SVC, NSC / SVO, NAC
1934. 5. 1		SVCO, NSC / SVO, NAC
1936. 9.16		Staff, B-Shipbuild, Sasebo NYd
1936.12. 1	CAPT/C
1939.10.15		Chief, B-Shipbuild, Maizuru NYd
1942.11. 1	RADM/T	Att, NSC
1942.12.15		Wait
1942.12.21	Resv
1982. 2. 7		died (88)

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Yoshii, Kazuo	Osaka	Univ. of Tokyo
Rear admiral (technical)

Date	Rank	Job
1894. 4.20		born
1917. 7.19		Student to Constructor officer
1919. 7.10		Graduate from Shipbuilding department, Engineering faculty, Univ. of Tokyo
1919. 7.18	C/LTJG	Member, Yokosuka ND
1919. 9.23	LTJG/C
1919.10.14		Member, Maizuru NYd
1920. 2.21		Assist Staff, B-Shipbuild, Maizuru NYd
1921.12. 1	LT/C	Staff, B-Shipbuild, Maizuru NYd
1922. 7.10		Assist Staff, 1F
1922.11.20		SVC / Staff, NSC (B4)
1922.12.15		SVC
1923.10.25		Inst, CivilEngineer TC / Staff, B-Shipbuild, Yokosuka NYd
1925. 5. 1		Staff, Maizuru GD (NF)
1926. 9.15		SVC (Trip to USA)
1926.12. 1	LCDR/C
1927. 4. 5		SVC, NSC
1928. 2.15		Order of Return
1928. 6.20		Staff, NSC (B3)
1929. 2.15		Assist Staff, GF
1929.11.30		Staff, NSC (B3)
1930. 4. 1		Staff, B-Adm, Sasebo NYd / TInsp, B-Shipbuild, Sasebo NYd
1931. 6.25		Staff, B-Shipbuild, Sasebo NYd
1931.12. 1	CMDR/C
1936. 9.16		Staff, B-Shipbuild, Kure NYd
1936.12. 1	CAPT/C
1940.11.15		Chief, B-Shipbuild, Sasebo NYd
1942.11. 1	RADM/T
1945. 8. 5		Chief, B-Shipbuild, Kure NYd
1945.11. 1		Member, Kure ND
1945.11.10	Resv

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Idebuchi, Tatsumi	Fukui	Univ. of Tokyo
Rear admiral (technical)

Date	Rank	Other title	Job
1895. 6. 4			born
1919. 1. 9			Student to Constructor officer
1920. 7.10			Graduate from Shipping department, Engineering faculty, Univ. of Tokyo
1920. 7.21	LTJG/C		Member, Yokosuka ND
1920.12. 1			Member, Yokosuka NYd
1921. 4.12			Assist Staff, B-Shipbuild, Yokosuka NYd
1921.12. 1	LT/C		Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1923. 2.10			Staff, Ship Style Research
1923. 4. 1			Staff, Tech.Rsch (B-Rsch)
1924. 5.10			Staff, Tech.Rsch (B-Rsch) / SVC
1926. 2.20			SVC (Trip to Ger)
1927. 4. 5			SVC, NSC
1927. 6.15			Order of Return
1927.12. 1	LCDR/C
1928. 1.25			Staff, Tech.Rsch (B-Shipbuild.Res)
1928.12.26			Att, Tech.Rsch (B-Shipbuild.Res)
1929.11.30			Att, Tech.Rsch (B-Shipbuild.Res) / Assist Staff, GF
1931. 1.25			Assist Staff, GF
1931. 5.15			Att, Tech.Rsch / Inst, Nav.College
1932. 6. 1			Staff, Tech.Rsch
1932.12. 1	CMDR/C
1935. 5.10			Staff, Tech.Rsch / Att, NSC (B4)
1937.11. 1	CAPT/C
1938. 4.13		Eng.Dr
1942. 4. 1			Staff, Tech.Rsch / Att, NSC (B4) / Professor, Univ. of Tokyo
1942.11. 1	CAPT/T		Chief, B-Shipbuild.Res, Tech.Rsch
1943. 5. 1	RADM/T
1945.10.15	Resv
1969. 8.27			died (74)

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Masukata, Narazaburo	Osaka	Univ. of Tokyo
Rear admiral (technical)

Date	Rank	Job
1895. 9. 5		born
1918. 7. 1		Student to Constructor officer
1920. 7.10		Graduate from Engineering faculty, Univ. of Tokyo
1920. 7.21	LTJG/C	Member, Yokosuka ND
1920.12. 1		Member, Kure NYd
1921. 4.12		Assist Staff, B-Shipbuild, Kure NYd
1922.12. 1	LT/C	Staff, B-Shipbuild, Kure NYd
1925.12. 1		SVC
1926. 5.24		Job assistant, teacher, Osaka Inst. of Tech
1927. 4. 5		SVC, NSC
1927. 7.23		SVC, NSC / Att, NSC / Staff, Temp.B-Shipbuild, DoN
1927.12. 1		Att, NSC / SVC, NSC
1928. 2. 1		Staff, B-Shipbuild, Kure NYd (resigned from Osaka Inst. of Tech)
1928. 2.25		Staff, B-Shipbuild, Kure NYd / Inst, Sub.School
1928. 3.19		SVC, NSC (Trip to UK)
1928.12.10	LCDR/C
1929. 8.10		Order of Return
1930. 2. 1		Staff, B-Shipbuild, Sasebo NYd
1931. 5.15		Assist Staff, GF
1931.12. 1		Staff, B-Shipbuild, Sasebo NYd
1933.11.15	CMDR/C
1934. 3.27		SVC, NSC
1937.12. 1		Staff, B-Shipbuild, Kure NYd
1938.11.15	CAPT/C
1939. 1.11		SVCO, NSC / Chief Supervisor, Tama
1940. 1.20		SVCO, NSC / Chief Supervisor, Tama / Chief Inspector, Tama
1941.10. 1		Member, GF / Staff, NF, Akashi
1942.11. 1	CAPT/T
1942.12.15		SVC, NSC / Supervisor, Osaka / Inspector, Osaka
1943. 9.15		SVC, NSC / Supervisor, Osaka / Inspector, Osaka / Att, Kure NYd (B-Shipbuild)
1944. 5. 1	RADM/T	Att, NSC / SVC, NSC / Att, Kure NYd
1945. 6. 1		Dir, Osaka NF
1945. 8.10		Member, Osaka GD
1945. 9.15	Resv
1967. .		died (71)

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Yagasaki, Masatsune	Nagano	Univ. of Tokyo
Rear admiral (technical)

Date	Rank	Job
1895. 6. 5		born
1918. 7. 1		Student to Constructor officer
1920. 7.10		Graduate from Shipping department, Engineering faculty, Univ. of Tokyo
1920. 7.21	LTJG/C	Member, Yokosuka ND
1920.12. 1		Member, Kure NYd
1921. 4.12		Assist Staff, B-Shipbuild, Kure NYd
1922.12. 1	LT/C	Staff, B-Shipbuild, Kure NYd
1923. 4. 1		Staff, Maizuru GD (NF)
1923.10.25		Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1926.12. 1		Staff, Maizuru GD / Inst, Eng.Academy
1927.12. 1	LCDR/C
1928. 2.15		SVC, NSC (Trip to USA)
1929. 6.15		Order of Return
1930. 1.25		Staff, NSC (B3) / Inst, Nav.College
1930. 5. 1		Staff, NSC (B3) / Inst, Nav.College / Assist Staff, GF
1930. 6.20		Staff, NSC (B3) / Inst, Nav.College
1931. 1.25		Staff, B-Shipbuild, Yokosuka NYd / Inst, Gun.School
1932.12. 1	CMDR/C
1935.10.15		Staff, NSC (B4) / Inst, Nav.College
1937.12. 1	CAPT/C
1939. 1.10		Assist Staff, GF
1939.11. 1		Chief, B-Shipbuild.Res, Kure NYd
1942.11. 1	CAPT/T	Staff, NSC (B4)
1943. 5. 1	RADM/T	Att, NSC (B4)
1944.12. 1		Chief, B-Shipbuild, Yokosuka NYd
1945.10.15	Resv
1961. 9.11		died (66)

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Oda, Katsuji	Tokyo	Univ. of Tokyo
Rear admiral (technical)

Date	Rank	Job
1897. 7.29		born
1920. 3.15		Student to Constructor officer
1922. 3.31		Graduate from Shipping department, Engineering faculty, Univ. of Tokyo
1922. 4.25	LTJG/C	Member, Yokosuka ND
1922. 7.31		Member, B-Shipbuild, Yokosuka NYd
1922.12. 1		Assist Staff, B-Shipbuild, Yokosuka NYd
1923. 2.10		Assist Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1923. 4. 1		Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1924.12. 1	LT/C
1925. 8. 1		Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC / Assist Staff, GF
1925. 9.25		Staff, B-Shipbuild, Yokosuka NYd / Inst, CivilEngineer TC
1926.12. 1		Staff, B-Shipbuild, Sasebo NYd
1929. 8.10		SVC, NSC (Trip to UK)
1929.11.30	LCDR/C
1931. 1.10		Order of Return
1931. 6.25		Staff, B-Shipbuild, Kure NYd / SVC, NSC
1932. 7. 1		Staff, B-Sub, Kure NYd / Staff, B-Shipbuild, Kure NYd / Inst, Sub.School
1934.10.20		Staff, B-Shipbuild, Sasebo NYd
1934.11.15	CMDR/C
1935.10.25		SVC, NSC (Kobe)
1936. 3.16		Att, NSC / SVC, NSC (Kobe)
1938. 1.17		Att, NSC / SVC, NSC / Supervisor, Kobe
1939.11.15	CAPT/C
1939.12. 1		Assist Staff, GF / Staff, NF, Akashi
1940.11.15		Staff, B-Shipbuild, Kure NYd
1942.11. 1	CAPT/T	SVCO, NSC / Chief Supervisor, Uraga / Chief Inspector, Uraga
1944. 3.10		SVCO, NSC / Chief Supervisor, Uraga / Chief Inspector, Uraga / Work in Tokyo area inspector office, Department of Military supply
1944. 3.25		Att, NSC (B4) / Work in Tokyo area inspector office, Department of Military supply
1944. 4. 7		Att, NSC (B4)
1944.12. 1		Chief, B-Shipbuild, Maizuru NYd
1945. 5. 1	RADM/T
1945.11. 1		Member, Maizuru ND
1945.11.29	Resv
1973. 3.27		died (75)

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