| Handler of Affairs | Setsuo Emi (江見 節夫) | 31 May - 17 June 1949 |
|---|---|---|
| 1 | Tsuneo Iguchi (井口 常雄) |
18 June 1949 - 12 October 1953 |
| 2 | Shigeru Osugi (大杉 繁) |
13 October 1953 -12 October 1956 |
| 3 | Ryonosuke Yamada (山田 良之助) | 13 October 1956 - 31 March 1960 |
| 4 | Yasushi Watanabe (渡辺 寧) |
1 April 1960 - 31 March 1969 |
| 5 | Katsuji Ono (小野 勝次) |
1 April 1969 - 31 March 1972 |
| 6 | Shukichi Sakuraba (櫻場 周吉) |
1 April 1972 - 31 March 1977 |
| 7 | Ken Maruyama (丸山 健) |
1 April 1977 - 31 March 1982 |
| 8 | Kazuo Kato (加藤 一夫) |
1 April 1982 - 31 March 1987 |
| 9 | Nobuhiro Uehara (上原 信博) |
1 April 1987 - 31 March 1992 |
| 10 | Mamoru Nagai (永井 衛) |
1 April 1992 - 31 March 1997 |
| 11 | Hiroaki Sato (佐藤 博明) |
1 April 1997 - 31 March 2003 |
| 12 | Yoshimitsu Amagishi (天岸 祥光) |
1 April 2003 - 31 March 2007 |
| 13 | Naotaka Oki (興 直孝) |
1 April 2007 - 31 March 2010 |
| 14 | Yukihiro Ito (伊東 幸宏) |
1 April 2010 - 31 March 2017 |
| 15 | Kiyoshi Ishii (石井 潔) |
1 April 2017 - 31 March 2021 |
| 16 | Kazuyuki Hizume (日詰 一幸) |
1 April 2021 - present |
