Major-General
* 1st of December 1885
† 26th of January 1936
(石井善七)
(いしい ぜんしち)
| 1929-08-01 | Colonel |
| 1934-08-01 | Major-General |
| 1931-08-01 | – | 1933-03-18 | Resident Officer in France, Army Technical Headquarters |
| 1933-03-18 | – | 1934-08-01 | Chief of Firearms Branch, Ordnance Bureau, Ministry of War |
| 1934-08-01 | – | 1936-03-07 | Chief of 1st Section, Army Technical Research Institute |
| 1936-03-07 | – | 1936-03-17 | In reserve |
| 1936-03-17 | Retired |