Lieutenant-General
* 25th of September 1893
† 23rd of July 1976
(相馬癸八郎)
(そうま きはちろう)
| 1938-03-01 | Colonel |
| 1941-03-01 | Major-General |
| 1944-06-27 | Lieutenant-General |
| 1937-10-25 | – | 1939-03-09 | Head of Osaka Fuse Factory |
| 1939-03-09 | – | 1940-04-01 | Chief of Manufacturing Section, Main Army Armaments Factory |
| 1940-04-01 | – | 1941-03-01 | Chief of Technical Branch, Army Ordnance Headquarters |
| 1941-03-01 | – | 1942-08-01 | Chief of Technical Section, Army Ordnance Headquarters |
| 1942-08-01 | – | 1942-10-15 | Head of 1st Research Institute, Army Technical Headquarters |
| 1942-10-15 | – | 1944-03-01 | Head of 1st Army Technical Research Institute |
| 1944-03-01 | – | 1945-09-02 | Commanding Officer Osaka Arsenal |