| Vice-admirals | Iwabe, Suetaka | Miyakawa, Kunimoto |
| Rear admirals | Noguchi, Okikuni | Onuma, Ryutaro |
| Iwabe, Suetaka | Kumamoto | Naval Engineer Academy 1st (7/10) |
| Vice-admiral (Engineer) |
| Date | Rank | Other title | Job |
|---|---|---|---|
| 1872. 2.17 | born | ||
| 4th Medal | |||
| 1894.10.15 | E/MID | Crew, Takachiho | |
| 1895. 7.29 | Crew, Chiyoda | ||
| 1895.12.27 | E/SUBLT | Crew, Kaimon | |
| 1896. 6.12 | Crew, Fuso | ||
| 1896.11. 2 | Crew, Suma | ||
| 1897. 8.25 | DC, Fuso (acting) | ||
| 1897.12. 1 | E/LTJG | ||
| 1897.12.28 | DC, Akitsushima (acting) | ||
| 1898.10. 1 | E/LT | DC, Akitsushima | |
| 1898.10.15 | Student, Torp.TrainingCenter | ||
| 1899. 3.22 | BO, Yakumo (Trip to Ger) | ||
| 1899.12.25 | DC, Yakumo | ||
| 1900. 9.25 | Inst, Eng.Academy / Trainer, Eng.Academy | ||
| 1903. 4.12 | DC, Yashima | ||
| 1904. 6.12 | DC, Yaeyama | ||
| 1905. 1.12 | E/LCDR | Chief Eng, Yaeyama | |
| 1905.12.12 | TInsp, Sasebo NYd | ||
| 1906. 1.26 | LCDR/E | ||
| 1907. 9.28 | Chief Eng, Naniwa (acting) | ||
| 1908. 4. 1 | Att, NGS | ||
| 1908. 9.15 | CMDR/E | ||
| 1910.12. 1 | Inst, Eng.Academy / Trainer, Eng.Academy | ||
| 1912.12. 1 | Chief Eng, Kawachi | ||
| 1913.12. 1 | CAPT/E | Chief Inst, Eng.Academy / Chief Trainer, Eng.Academy | |
| 1914. 1.30 | CHief Trainer, Eng.Academy | ||
| 1914. 8.18 | Chief Trainer, Eng.Academy / Chief Education, Eng.Academy | ||
| 1914.11.20 | CHief Trainer, Eng.Academy | ||
| 1916.12. 1 | Chief Eng, 2F | ||
| 1917.12. 1 | Chief Eng, 1F | ||
| 1919. 6. 1 | RADM/E | Chief Eng, 1F / Chief Eng, GF | |
| 1919.10.28 | Chief Eng, 1F | ||
| 1919.12. 1 | Chief Eng, Yokosuka ND | ||
| 1923.12. 1 | VADM/E | Member, Yokosuka ND | |
| 1923.12.10 | Wait | ||
| 1924. 2.25 | Resv | ||
| 1924.12.20 | VADM | ||
| 1934. 2.17 | Resv 2 | ||
| 1939. 2.17 | Ret | ||
| 1955. 4.24 | died (83) |
| Miyakawa, Kunimoto | Tokyo | Naval Engineer Academy 1st (2/10) |
| Vice-admiral (Engineer) |
| Date | Rank | Other title | Job |
|---|---|---|---|
| 1871. 9.17 | born | ||
| 1894.10.15 | E/MID | Crew, Hashidate | |
| 1895.12.27 | E/SUBLT | ||
| 1896. 3. 6 | Crew, Takachiho | ||
| 1896. 4.20 | Crew, Saien | ||
| 1896.11. 6 | BO, Fuji (Trip to UK) | ||
| 1896.11.21 | Crew, Fuji | ||
| 1897.10.31 | Return | ||
| 1897.11.27 | DC, Akitsushima (acting) | ||
| 1897.12. 1 | E/LTJG | ||
| 1897.12.14 | DC, Fuji (acting) | ||
| 1898. 4. 1 | Nav.College Eng.Course | ||
| 1898.10. 1 | E/LT | ||
| 1900. 5.20 | Staff, NSC / Staff, NEC / Staff, B-NA, DoN | ||
| 1900. 8. 1 | DC, Fuji | ||
| 1900.10.23 | Study in UK | ||
| 1901. 4. 1 | Resident in UK | ||
| 1904. 7.13 | E/LCDR | ||
| 1904. 9. 9 | Staff, NSC / Inst, Nav.College | ||
| 1905. 6. 4 | Order of Return | ||
| 1906. 1.26 | LCDR/E | ||
| 1907. 9.28 | CMDR/E | ||
| 1909. 2.25 | Staff, B-EngConst, Kure NYd | ||
| 1910. 3. 1 | Chief Eng, Ikoma | ||
| 1910.12. 1 | Staff, B-EngConst, Kure NYd | ||
| 1912.12. 1 | CAPT/E | ||
| 1914. 2.19 | Staff, NSC | ||
| 1914. 5.27 | Staff, NSC / Staff, Ship Style Research | ||
| 1915. 2. 1 | Inst, Nav.College / Staff, NSC / Staff, NEC / Staff, Ship Style Research | ||
| 1915.10. 1 | Inst, Nav.College / Staff, NTC / Staff, NEC / Staff, Ship Style Research | ||
| 1916. 4. 1 | Chief Eng, 2F | ||
| 1916.12. 1 | Chief, B-EngConst, Kure NYd | ||
| 1918.12. 1 | RADM/E | ||
| 1919. 6. 1 | Att, NTC | ||
| 1919.10. 1 | Att, NSC | ||
| 1921. 4. 1 | Chief Eng, Kure ND | ||
| 1922.11.10 | Att, NGS | ||
| 1922.12. 1 | VADM/E | Wait | |
| 1923. 3.31 | Resv | ||
| 1924.12.20 | VADM | ||
| 1933. 9.17 | Resv 2 | ||
| 1938. 9.17 | Ret | ||
| 1952. 3.13 | died (80) |
| Noguchi, Okikuni | Saga | Naval Engineer Academy 1st (9/10) |
| Rear admiral (engineer) |
| Date | Rank | Other title | Job |
|---|---|---|---|
| 1871. 8. 4 | born | ||
| 4th Medal | |||
| 1894.10.15 | E/MID | Crew, Kongo | |
| 1895. 7.18 | Crew, Izumi | ||
| 1895.12.27 | E/SUBLT | ||
| 1896. 4. 1 | Crew, Hashidate | ||
| 1896. 6.22 | Member, Sasebo TC | ||
| 1896.12.11 | Member, Sasebo TC / Member, tbg, Sasebo TC | ||
| 1897. 5.14 | Crew, Hashidate | ||
| 1897.12. 1 | E/LTJG | DC, Izumi (acting) | |
| 1898. 3.11 | DC, Chinen (acting) | ||
| 1898.10. 1 | E/LT | DC, Chinen | |
| 1898.10.15 | Student, Torp.TrainingCenter | ||
| 1899. 2.14 | BO, Usugumo (Trip to UK) | ||
| 1899. 7. 6 | Member, 1tbg, Yokosuka TC | ||
| 1900. 5.18 | Return | ||
| 1900. 6.22 | Crew, Usugumo | ||
| 1901.11.13 | Eng.Inst, Nav.Academy | ||
| 1902. 5.24 | Eng.Inst, Nav.Academy / Chief Eng, Tsukuba / DC, Tsukuba | ||
| 1902. 6.28 | Eng.Inst, Nav.Academy / Chief Eng, Chinpoku / DC, Chinpoku | ||
| 1903.12. 3 | DC, Matsushima | ||
| 1904. 1.27 | Member, Yokosuka ND | ||
| 1904. 2.16 | DC, Kasuga | ||
| 1905. 1. 7 | DC, Asahi | ||
| 1905. 1.12 | E/LCDR | ||
| 1905. 8.31 | Chief Eng, Manshu-maru | ||
| 1906. 1.26 | LCDR/E | ||
| 1906. 3. 8 | Chief Eng, Suma | ||
| 1906. 8.10 | Chief Eng, Suma / DC, Suma | ||
| 1907. 2.20 | Inst, Torp.TrainingCenter | ||
| 1908. 8.21 | Chief Eng, Hashidate (acting) | ||
| 1908. 9. 7 | Chief Eng, Hashidate | ||
| 1908. 9.25 | CMDR/E | ||
| 1908.12.10 | Chief Eng, Izumo | ||
| 1909. 4. 1 | Chief Eng, Izumo / Chief Eng, Hizen | ||
| 1909. 7.13 | Chief Eng, Izumo | ||
| 1909. 8.14 | Inst, Eng.Academy / Trainer, Eng.Academy | ||
| 1910. 3.19 | Staff, B-Per, DoN | ||
| 1912.12. 1 | Chief Eng, Settsu | ||
| 1913.12. 1 | CAPT/E | ||
| 1914. 3.20 | Member, Yokosuka ND | ||
| 1914. 4.18 | Chief Education, Eng.Academy | ||
| 1914. 8.18 | Member, 1F | ||
| 1916. 4. 1 | Chief Eng, 3F | ||
| 1917.12. 1 | Member, Yokosuka ND | ||
| 1918. 4. 1 | Staff, B-Eng, DoN | ||
| 1919. 6. 1 | RADM/E | Wait | |
| 1920. 3. 2 | Resv | ||
| 1924.12.20 | RADM | ||
| 1927. 8. 4 | Resv 2 | ||
| 1932. 8. 4 | Ret | ||
| 1942.12.28 | died (71) |
| Onuma, Ryutaro | Tokyo | Naval Engineer Academy 1st (4/10) |
| Rear admiral (Engineer) |
| Date | Rank | Other title | Job |
|---|---|---|---|
| 1871. 5. 1 | born | ||
| 4th Medal | |||
| 1894.10.15 | E/MID | Crew, Yoshino | |
| 1895.12.27 | E/SUBLT | ||
| 1896. 4. 1 | Crew, Hiei | ||
| 1897. 8.25 | DC, Hiei (acting) | ||
| 1897.12. 1 | E/LTJG | ||
| 1898. 3.14 | DC, Naniwa (acting) | ||
| 1898.10. 1 | E/LT | DC, Naniwa | |
| 1898.10.15 | Student, Torp.TrainingCenter | ||
| 1898.11. 2 | BO, Shikishima (Trip to UK) | ||
| 1899. 7.25 | DC, Shikishima | ||
| 1900. 4.17 | Return | ||
| 1900.12. 6 | Inst, Eng.Academy / Trainer, Eng.Academy | ||
| 1903. 9.26 | DC, Hashidate | ||
| 1904. 1.27 | Member, Yokosuka ND | ||
| 1904. 2.16 | DC, Nisshin | ||
| 1904. 7.13 | E/LCDR | ||
| 1905. 3.15 | Chief Eng, Otowa | ||
| 1906. 1.26 | LCDR/E | ||
| 1906. 3. 8 | Chief Eng, Manshu | ||
| 1906. 7. 4 | Chief Eng, Manshu / DC, Manshu | ||
| 1906. 7.12 | Chief Eng, Chitose (acting) | ||
| 1907. 9.28 | CMDR/E | Chief Eng, Chitose | |
| 1908. 1.10 | Chief Eng, Kure SC | ||
| 1908.12.23 | TInsp, Kure NYd | ||
| 1910.10.31 | Chief Eng, Ibuki | ||
| 1912. 4.20 | Inst, Eng.School | ||
| 1913.12. 1 | CAPT/E | TInsp, Sasebo NYd | |
| 1914.11.21 | Member, 1st Southern Detach | ||
| 1914.12. 1 | Chief Eng, 1st Southern Detach | ||
| 1915. 2. 1 | Chief Eng, 3S | ||
| 1915. 5.26 | Wait | ||
| 1915. 9.21 | Chief Eng, 3S | ||
| 1915.12.13 | Chief Eng, Maizuru ND | ||
| 1919. 6. 1 | RADM/E | Wait | |
| 1920. 3. 2 | Resv | ||
| 1924.12.20 | RADM | ||
| 1927. 5. 1 | Resv 2 | ||
| 1932. 5. 1 | Ret | ||
| 1935. 4.20 | died (63) |