Presidents
| 1941～1973 | SHIMADA Koichi |
| 1973～1979 | ASO Heihachiro |
| 1979～1983 | KONNO Genpachiro |
| 1983～1987 | MASUI Kenichi |
| 1987～1991 | HIROOKA Haruya |
| 1991～1995 | OKANO Yukihide |
| 1995～1999 | FUJII Yataro |
| 1999～2001 | YAMADA Hiroyuki |
| 2001～2003 | SUGIYAMA Masahiro |
| 2003～2005 | SAITO Takahiko |
| 2005～2007 | SUGIYAMA Takehiko |
| 2007～2011 | MIYASHITA Kunio |
| 2011～2013 | SHIOMI Eiji |
| 2013～2015 | CHUJO Ushio |
| 2015～2017 | SHOJI Kenichi |
| 2017～2019 | YAMAUCHI Hirotaka |
| 2019～2021 | TERADA Kazushige |
| 2021～2023 | MIZUTANI Fumitoshi |
| 2023～ | TAKEUCHI Kenzo |