| Date | Description |
|---|---|
| 2023-08-23 | delete president Toshihiko Ogawa |
| 2023-08-23 | insert president Shinsuke Yamashita |
| 2023-08-23 | delete person Toshihiko Ogawa |
| 2023-08-23 | insert person Shinsuke Yamashita |
| 2023-02-01 | delete president Norihide Kato |
| 2023-02-01 | insert president Hiroyuki Kachi |
| 2023-02-01 | delete person Norihide Kato |
| 2023-02-01 | insert person Hiroyuki Kachi |