| Date | Description |
|---|
| 2024-03-13 |
delete person Yosuke Ninomiya |
| 2024-03-13 |
insert person Toshiyuki Nakatsuka |
| 2023-07-17 |
delete ceo Hiroshi Suzuki |
| 2023-07-17 |
delete managingdirector Kenji Segi |
| 2023-07-17 |
insert otherexecutives Shuji Shioguchi |
| 2023-07-17 |
delete person Hiroharu Ikuta |
| 2023-07-17 |
delete person Hiroshi Suzuki |
| 2023-07-17 |
delete person Kenji Segi |
| 2023-07-17 |
insert person Hidetoshi Nakatsuka |
| 2023-07-17 |
update person_title Shuji Shioguchi: Member of the Executive Officers Team => Director |
| 2023-04-02 |
insert person Hideaki Katayama |
| 2023-04-02 |
insert person Hiroshi Urata |
| 2023-04-02 |
insert person Shuji Shioguchi |
| 2023-04-02 |
insert person Yosuke Ninomiya |
| 2021-07-16 |
delete managingdirector Shigeki Ueda |
| 2021-07-16 |
delete otherexecutives Shigeki Ueda |
| 2021-07-16 |
delete person Shigeki Ueda |
| 2019-07-14 |
delete ceo Yoshiteru Ito |
| 2019-07-14 |
delete person Yoshiteru Ito |
| 2018-09-27 |
insert president Hiroshi Suzuki |
| 2018-09-27 |
delete person Hidemi Tate |
| 2018-09-27 |
insert person Hiroshi Suzuki |
| 2017-07-08 |
delete chairman Tsuyoshi Togami |
| 2017-07-08 |
delete person Satoshi Yamamoto |
| 2017-07-08 |
delete person Tsuyoshi Togami |
| 2016-08-04 |
delete managingdirector Koji Arai |
| 2016-08-04 |
delete person Koji Arai |
| 2016-08-04 |
insert person Satoshi Yamamoto |
| 2015-07-10 |
insert president Takashi Nakazawa |
| 2015-07-10 |
insert person Takashi Nakazawa |
| 2015-02-17 |
delete person Hirokazu Iwashima |
| 2014-07-07 |
insert person Hirokazu Iwashima |
| 2014-04-13 |
delete person Takashi Yao |