| Date | Description |
|---|---|
| 2024-09-07 | insert founder Akio Funami |
| 2024-09-07 | insert person Akio Funami |
| 2024-09-07 | insert person Masuda Kazunari |
| 2023-08-14 | delete president Akio Funami |
| 2023-08-14 | insert president Kazushige Masuda |
| 2023-08-14 | delete person Akio Funami |
| 2023-08-14 | insert person Kazushige Masuda |