Graduates of Naval Academy class 23rd

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Vice-admirals Matsumura, Kikuo Matsushita, Tojiro
Otani, Koshiro Tajiri, Tadatsugu
Rear admirals Masuda, Koichi Omi, Heishiro
Yasumura, Sukeichi Yokoo, Hisashi
Captain Maruyama, Sumitaro
Lieutenant commander Yoshikawa, Hideyoshi



Matsumura, Kikuo Saga Naval Academy 23rd (2/19)
Vice-admiral Naval College 5th

Date Rank Other title Job
1874.10.23     born
    4th Medal  
1892.11.24     Cadet, Nav.Academy
1895.12.22     Crew, Kongo
1896.10.12     Return to Nav.Academy
1896.12.11 MID   Crew, Fuso
1897. 1.30     Crew, Matsushima
1897.11. 5     Crew, Musashi
1898. 1.14 SUBLT    
1898. 7. 8     BO, Kasagi (Trip to USA)
1898. 8. 6     Crew, Kasagi
1899. 5.16     Return
1899. 9.29 LTJG    
1899.12. 4     Crew, Kongo
1900. 8.10     Crew, Fuso
1900. 8.16     Crew, Itsukushima
1900. 8.31     Crew, Yaeyama
1900.11.22     DC, Miyako (acting)
1901. 6. 7     Crew, Sazanami
1901.10. 1 LT    
1901.12.12     Chief Nav, Izumi / DC, Izumi
1902. 4.22     Chief Nav, Izumi
1903. 4.21     Staff, Readiness Fleet
1903.12.28     Staff, 1F
1904. 4. 3     Member, JGS
1905. 4. 5     Chief Gun, Kasagi
1905. 8. 5 LCDR    
1905.11.21     Chief Gun, Matsushima
1906. 1.25     Nav.College A-Course
1907.12.18     Adj, NGS
1908.12.10     Resident in Fr
1910.12. 1 CMDR    
1910.12.27     Order of Return
1911. 4.15     XO, Kasuga
1911.12. 1     Inst, Nav.College
1914. 8.18     Staff, 1F
1914.10. 1     Staff, 1st Southern Detach
1915. 2. 1     CO, Chikuma (acting)
1915. 8. 6     Wait
1915. 9.25     CO, Kasagi (acting)
1915.12.13 CAPT   Att, NGS
1915.12.25     Attache, Fr / SVCO
1919. 2. 5     Attendant to Plenipotentiary, Versailles conference
1919. 3. 1     Order of Return
1919. 8. 8     CO, Tokiwa
1920. 8.12     CO, Hiei
1920.11.20     Member, Sasebo ND
1920.12. 1 RADM   CoS, 2F
1921.12. 1     Chief, B1, NEC
1923. 4. 1     Att, NGS
1923. 6. 1     COM, 5S
1924. 2. 5     COM, Chinkai GD
1924.12. 1 VADM    
1925. 4.15     Att, NGS
1925.11.20     Wait
1925.12.16 Resv   President, Ishikawajima Shipbuilding Co,
1936.10.23 Resv 2    
1941. 4. 4     died (66)

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Matsushita, Tojiro Saga Naval Academy 23rd (5/19)
Vice-admiral Naval College 6th

Date Rank Other title Job
1876. 4.     born
    4th Medal  
1896.12.11 MID   Crew, Naniwa
1898. 1.14 SUBLT    
1899. 9.29 LTJG    
1901.10. 1 LT    
1906. 9.28 LCDR   Chief Nav, Kasuga
1907. 4. 5     Nav.College A-Course
1911.12. 1 CMDR    
1913. 4. 1     Staff, Kure ND
1914.12. 4     CO, Tsushima
1915.12.13 CAPT    
1916.12. 1     Staff, NGS
1918. 8. 3     Aide-dc
1920.12. 1 RADM    
1924.12. 1 VADM    
1924.12.20     Att, NGS
1925. 3. 2     Wait
1925. 3.20 Resv    
1944. 5.19     died (68)

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Otani, Koshiro Kochi Naval Academy 23rd (10/19)
Vice-admiral

Date Rank Other title Job
1872. 7.20     born
    5th Medal  
1892.11.24     Cadet, Nav.Academy
1895.12.22     Crew, Kongo
1896.10.12     Return to Nav.Academy
1896.12.11 MID   Crew, Tsukushi
1897. 5. 1     Crew, Matsushima
1897. 8.24     Crew, Itsukushima
1897.11. 5     Crew, Katsuragi
1898. 1.14 SUBLT    
1898. 5. 3     Crew, Heien
1899. 1.13     Crew, Suma
1899. 7.25     Crew, Shikishima / BO, Shikishima (Trip to UK)
1899. 9.29 LTJG    
1900. 4.17     Return
1900. 5.15     Member, 1tbg, Sasebo TC
1900. 6.22     Crew, Shinonome
1901. 2.14     Chief Nav, Heien (acting) / DC, Heien (acting)
1901. 3.13     Chief Nav, Heien (acting) / DC, Heien (acting) / DC, Chinen (acting)
1901. 3.23     Chief Torp, Saien (acting) / DC, Saien (acting)
1901.10. 1 LT   Chief Torp, Saien / DC, Saien
1902. 2.13     Chief Torp, Takachiho / DC, Takachiho
1902. 5.31     CO-Tbb, 3tbg, Sasebo TC
1903. 7.24     CO-Tbb, 1tbg, Takeshiki GD
1903. 9.14     CO-Tbb, 16btg
1905. 1. 4     CO-Tbb, 21btg
1905. 3.27     CO-Tbb, 19btg
1905.12.12     CO-Des, Ikazuchi
1906. 1.25     CO-Des, Kisaragi
1906. 3. 8     Adj, Sasebo ND
1906. 5.10     Chief Torp, Chihaya / DC, Chihaya
1906. 9.28 LCDR    
1906.11.22     CO, 5btg / CO-Tbb, 5btg / CO, 7btg / CO-Tbb, 7btg
1908. 4.20     Chief Torp, Izumo / DC, Izumo
1909. 4.23     CO, 2btg / CO-Tbb, 2btg
1909.12. 1     Att, NEC
1911. 1.16     Chief Torp, Kurama / DC, Kurama / EO, Yokosuka NYd
1911. 3. 1     Chief Torp, Kurama / DC, Kurama
1911.12. 1 CMDR   XO, Chikuma / EO, Sasebo NYd
1912. 4.20     Adj, 2F / Staff, 2F
1913. 4. 1     CO, 5dg
1915. 5. 1     CO, 11dg
1915.12.13 CAPT    
1916.12. 1     CO, Kasuga
1917.12. 1     CO, Shikishima
1918. 5.13     CO, Shikishima / CO, Suma
1918. 9.10     CO, Shikishima
1918.11.10     CO, Kashima
1919.11.20     CO, Fuso
1920.11.20     Member, Kure ND
1920.12. 1 RADM   COM, 3Sd
1921.12. 1     COM, 1Sd
1922.12. 1     COM, Ominato GD
1923. 6. 1     SM, Torp.School
1924.12. 1 VADM   Dir, Nav.College
1926.12.10     COM, Maizuru GD
1928. 5.16     CinC, 2F
1928.12.10     CinC, Kure ND
1929.11.11     Att, NGS
1930. 6.10     Wait
1930. 6.20 Resv    
1934. 7. 9 Resv 2    
1937. 6.24     died (66)

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Tajiri, Tadatsugu Saga Naval Academy 23rd (8/19)
Vice-admiral Naval College 6th

Date Rank Other title Job
1874.11.23     born
    5th Medal  
1892.11.24     Cadet, Nav.Academy
1895.12.22     Crew, Kongo
1896.12.11 MID   Crew, Chinen
1897. 1.30     Crew, Fuso
1897.11. 1     Crew, Chinen
1898. 1.14 SUBLT    
1898. 9. 1     Crew, Yaeyama
1898.10. 1     BO, Chitose (Trip to USA)
1898.10.22     Crew, Chitose
1899. 4.20     Return
1899. 5. 1     Crew, Chiyoda
1899. 9.29 LTJG   Crew, Maya
1899.10.13     Member, 2tbg, Yokosuka TC
1900. 6.11     Crew, Chinpen
1900.10.10     Member, Gun.TrainingCenter
1900.12. 6     DC, Amagi (acting)
1901.10. 1 LT   DC, Naniwa
1902. 3.13     DC, Asama
1903. 4.21     DC, Toyohashi
1903. 7. 7     CO-Tbb, 1tbg, Maizuru TC
1903. 9.14     CO-Tbb, 20btg
1905. 3.15     CO-Tbb, 9btg
1905.12.12     Ope.Inst, Nav.Academy / Trainer, Nav.Academy
1906. 9.28 LCDR    
1907. 4. 5     Nav.College A-Course
1909. 5.25     Chief Torp, Suwo / DC, Suwo
1909.12. 1     Staff, 1F
1910.12. 1     Inst, Torp.School / CO, 4btg / Inst, Gun.School
1911.12. 1 CMDR   Aide-dc, FADM (to FADM Inoue, Yoshika) / Att, DoN
1912. 1.22     Staff, B-NA, DoN
1914.12. 1     CO, Yodo
1915.12.13 CAPT   CO, Otowa
1916. 1.28     CO, Chikuma
1916.12. 1     Staff, NEC
1919. 1.28     Trip to Europe, USA
1919.11.20     CO, Kongo
1919.11.30     Return
1920.11.12     CO, Yokosuka fg
1920.12. 1 RADM    
1921. 4. 6     Chief, Temp. Flying Training Center
1922.11. 1     CO, Kasumigaura fg
1923.11. 6     COM, Mako GD
1924.12. 1 VADM    
1924.12.20     Att, NGS
1925. 3. 2     Wait
1925. 3.20 Resv    
1936.11.23 Resv 2    
1941. 4. 1 Resv    
1941.11.23 Ret    

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Masuda, Koichi Saga Naval Academy 23rd (16/19)
Rear admiral

Date Rank Other title Job
1873.11.23     born
1892.11.24     Cadet, Nav.Academy
1895.12.22     Crew, Kongo
1896.10.12     Return to Nav.Academy
1896.12.11 MID   Crew, Chiyoda
1896.12.25     Crew, Suma
1897. 5.27     Crew, Chinen
1897.11. 5     Crew, Tenryu
1898. 1.14 SUBLT   Crew, Akitsushima
1898.10. 1     Crew, Akagi
1899. 7. 6     Member, 2tbg, Takeshiki GD
1899. 9.29 LTJG    
1900. 9.13     Crew, Naniwa
1901. 4. 2     DC, 2TLG, Yokosuka TC (acting)
1901. 8.30     DC, TLG, Yokosuka TC (acting)
1901.10. 1 LT   DC, TLG, Yokosuka TC
1901.10. 8     DC, Shikishima
1901.12.17     DC, Asahi
1902. 4.22     DC, Sasebo SC
1903. 7. 7     DC, Shikishima
1904. 6.19     Wait
1904. 9.17     DC, Oshima
1904.11.22     DC, Keelung Temp.MLG
1905. 7. 2     Member, Sasebo ND
1905. 8.31     CO-Tbb, 15btg
1905.12.12     CO-Des, Kagero
1906. 2. 8     CO-Des, Kagero / CO-Des, Murakumo
1906. 5.10     CO-Des, Kagero
1906. 8.30     CO-Des, Shirayuki
1906. 9.28 LCDR    
1906.10. 1     EO, Sasebo NYd
1906.10.20     EO, Sasebo NYd / CO-Des, Nowaki
1906.12.20     EO, Sasebo NYd
1907. 6.13     EO, Sasebo NYd / CO-Des, Shirotae
1907. 7.30     EO, Sasebo NYd
1907. 9.28     DC, Ryojun MLG
1908. 4. 7     Staff, Ryojun NF
1908.12.10     Chief Torp, Mikasa / DC, Mikasa
1909.12. 1     CO, 15btg / CO-Tbb, 15btg
1910. 4. 1     Adj, Mako GD / Staff, Mako GD
1911.12. 1 CMDR   XO, Tone
1913.11.12     XO, Izumo
1915. 5.26     CO, 6dg
1916. 2.17     CO, 14dg
1916.12. 1 CAPT   CoS (Navy), Government of Taiwan
1918. 5. 3     Assist Staff, 2nd Special Task Fleet
1918. 7. 5     CO, Izumo
1919.11.20     CO, Yokosuka SC / CO, Hashidate
1920.11.12     CO, Yokosuka SC
1920.11.20     CO, Yamashiro
1921.11.20     Member, Yokosuka ND
1921.12. 1 RADM   Wait
1922.12. 1     Susp
1923. 3.31 Resv    
1925.12.19     died (52)

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Omi, Heishiro Tokyo Naval Academy 23rd (18/19))
Rear admiral

Date Rank Other title Job
1876. 4.29     born
1896.12.11 MID   Crew, Fuso
1897. 8.31     Crew, Chinen
1897.11.27     Crew, Tsukushi
1898. 1.14 SUBLT    
1898. 4.23     Crew, Fuji
1899. 3.22     Crew, Musashi
1899. 9.29 LTJG    
1900. 1.12     Crew, Akashi
1900.12. 6     Member, 2tbg, Kure TC
1901. 1.18     Member, 1tbg, Kure TC
1901. 2.12     DC, 1TLG, Kure TC (acting)
1901. 8.30     DC, TLG, Kure TC (acting)
1901.10. 1 LT   DC, TLG, Kure TC
1901.12.12     Trainer, Nav.Academy
1902. 1.24     DC, Katsuragi
1902. 9.13     CO-Tbb, 2tbg, Kure TC
1903. 9. 1     DC, Akitsushima
1905. 2.13     Chief Nav, Amagi / DC, Amagi
1905. 6.14     DC, Maizuru SC / Mob.Staff, Maizuru ND
1906. 8.30     DC, Asahi
1906. 9.28 LCDR    
1907. 3.23     DC, Mikasa
1907. 9.28     Chief Gun, Mikasa / Chief Torp, Mikasa / DC, Mikasa
1907.11.22     Chief Gun, Mikasa
1907.12.18     DC, Mikasa
1908. 4.20     Mob.Staff, Yokosuka ND
1908.12. 1     Staff, B-Per, Yokosuka
1911.12. 1 CMDR   Adj, 1F
1913. 8.31     XO, Tokiwa
1913.10. 4     Wait
1914. 4.21     XO, Sagami
1914. 5.27     XO, Asahi / Inst, Gun.School / Inst, Torp.School
1914.12. 1     XO, Settsu
1915.12.13     CO, Musashi
1916.12. 1 CAPT   CO, Otowa
1917. 2.21     CO, Tsugaru
1917.12. 1     CO, Aso
1918. 9.25     CO, Chikuma
1918.11. 1     CO, Katori / CO, Chikuma
1918.11.25     CO, Yakumo
1919. 8. 5     CO, Sasebo SC / CO, Okinoshima
1920.11.20     CO, Haruna
1921.11.20     Member, Yokosuka ND
1921.12. 1 RADM   Wait
1922.12. 1     Susp
1923. 3.31 Resv    
1934. 4.29 Resv 2    
1953.12. 2     died (77)

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Yasumura, Sukeichi Yamaguchi Naval Academy 23rd (13/19)
Rear admiral

Date Rank Other title Job
1874. 3.12     born
1896.12.11 MID   Crew, Musashi
1897.11. 5     Crew, Fuji
1898. 1.14 SUBLT   Crew, Yashima
1898.11. 9     Crew, Atago
1899. 9.29 LTJG    
1899.12.25     Crew, Yakumo / BO, Yakumo (Trip to Ger)
1900. 8.30     Return
1900. 9.13     Member, tbg, Yokosuka TC
1900.12. 6     Member, 2tbg, Yokosuka TC
1901. 2.12     DC, Suma (acting)
1901.10. 1 LT   DC, Suma
1902. 4.22     DC, Miyako
1904. 5.16     DC, Musashi
1905. 3.15     DC, Bingo-maru
1905. 6. 3     Member, Sasebo ND
1905. 6.14     DC, Tsushima
1906. 1.25     Att, NGS
1906. 5.11     Staff, NGS
1906. 9.28 LCDR    
1907. 1.14     Staff, NGS / Aide-dc, Prince (to Prince Kikumaro)
1907. 2.15     Staff, NGS
1909.10. 1     Staff, 3F
1909.12. 1     Staff, 3F (acting)
1910.12. 1     Staff, Ryojun ND
1911.12. 1 CMDR    
1913. 3.15     Staff, Ryojun ND / Adj, Ryojun ND
1913. 5.24     Staff, Maizuru ND Fleet
1913.12. 1     Staff, B-Per, DoN
1916. 8. 1     Chief, S2, B-Per, DoN / Chief, S1, B-Per, DoN
1916. 9. 1     Chief, S2, B-Per, DoN
1916.12. 1 CAPT   CO, Niitaka
1917. 2. 7     CO, Suma
1917.12. 1     Wait
1917.12.26     CO, Nisshin
1918. 5. 3     CO, Maizuru SC / CO, Mishima
1918.11.10     CO, Ikoma
1919.11.20     CO, Kashima
1920. 1. 8     CO, Kirishima
1921.12. 1 RADM   CO, Maizuru SC
1922. 8. 1     Member, Yokosuka ND
1922.12. 1     Wait
1923. 3.31 Resv    
1930. 3.13 Resv 2    
1935. 3.12 Ret    
1951. 6. 5     died (77)

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Yokoo, Hisashi Saga Naval Academy 23rd (6/19)
Rear admiral Naval College 6th

Date Rank Other title Job
1874.10.27     born
1892.11.24     Cadet, Nav.Academy
1895.12.22     Crew, Kongo
1896.10.12     Return to Nav.Academy
1896.12.11 MID   Crew, Takachiho
1897. 4.17     Crew, Itsukushima
1897. 5. 9     Crew, Suma
1898. 1.14 SUBLT   Crew, Itsukushima
1898. 4.12     Crew, Hiei
1898. 9. 1     Crew, Chiyoda
1898.10. 1     BO, Chitose (Trip to USA)
1898.10.27     Crew, Chitose
1899. 4.20     Return
1899. 9.29 LTJG    
1900. 1.12     Member, 2tbg, Sasebo TC
1900. 5.15     Member, 2tbg, Yokosuka TC
1900. 6.22     Crew, Usugumo
1900.12. 6     DC, Sasebo TLG, Sasebo TC (acting)
1901. 3.29     DC, Akashi (acting)
1901.10. 1 LT   DC, Akashi
1901.12.12     Chief Nav, Katsuragi / DC, Katsuragi
1902. 1.24     Chief Nav, Katsuragi
1902. 3. 3     Chief Nav, Katsuragi / DC, Katsuragi
1902.10.21     Chief Nav, Katsuragi
1903. 4. 1     Chief Nav, Katsuragi / DC, Katsuragi
1904. 5.24     Chief Nav, Otowa / EO, Yokosuka NYd
1905. 1.12     CO-Tbb, 15btg
1905. 9.27     EO, Yokosuka NYd
1905.10.12     CO, Kisaragi
1905.12.12     CO-Des, Kisaragi
1906. 1.25     Nav.College B-Course
1906. 9.28 LCDR    
1906.12.20     CO-Des, Nowaki
1907. 2. 9     CO-Des, Nowaki / CO-Des, Matsukaze
1907. 4. 5     Nav.College A-Course
1909. 5.25     Chief Nav, Suwo (acting)
1909.12. 1     Inst, Nav.College / Adj, Nav.College
1911. 8. 1     Inst, Nav.College
1911.12. 1 CMDR   Staff, Sasebo Res.Fleet
1913. 4. 1     Staff, NGS (Chief, S1, N1) / Inst, Nav.College
1915.12.13 CAPT   Att, NGS (S1, N1)
1916.12. 1     Resident in UK
1917. 6. 1     Resident in Swi
1919. 2.26     Order of Return
1919. 9.13     Att, NGS
1919.11.20     CO, Kirishima
1920. 1. 8     Member, Sasebo ND
1920. 6. 3     CO, Settsu
1920.11.20     CO, Ise
1921.12. 1 RADM   CO, Yokosuka bg
1922.11.10     Member, Yokosuka ND
1922.12. 1     Wait
1923. 3.31 Resv    
1930.10.27 Resv 2    
1935.10.27 Ret    

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