| Date | Description |
|---|
| 2022-11-24 |
update person_title Fujiwara Toshiyasu: Vice General Manager of Managament Headquarters => Auditor |
| 2022-11-24 |
update person_title Nishioka Chiyoko: Auditor => Director, General Manager of Production Headquarters |
| 2022-11-24 |
update person_title Ohashi Akira: Vice General Manager of Production => Director, Vice General Manager of Production Headquarters |
| 2021-01-26 |
update person_title Kato Yoshikazu: Auditor => Director, General Manager of Managament Headquarters |
| 2020-01-09 |
delete ceo Shigeru Nishioka |
| 2020-01-09 |
delete chairman Shigeru Nishioka |
| 2020-01-09 |
delete person Chiyoko Nishioka |
| 2020-01-09 |
delete person Shigeo Fujieda |
| 2020-01-09 |
delete person Shigeru Nishioka |
| 2020-01-09 |
delete person Toshikazu Minamide |
| 2019-05-10 |
delete person Kouhei Ogawa |