| Date | Description |
|---|
| 2023-07-04 |
delete person Dr. Hideki Koudou |
| 2023-07-04 |
insert person Dr. Hiroyuki Seki |
| 2021-06-10 |
insert otherexecutives Tomoo Yamada |
| 2021-06-10 |
insert person Tomoo Yamada |
| 2021-06-10 |
insert person Yoshito Fujikawa |
| 2021-01-20 |
delete otherexecutives Hideaki Sato |
| 2021-01-20 |
delete otherexecutives Mamoru Ishii |
| 2021-01-20 |
delete otherexecutives Satoshi Tsuchiyama |
| 2021-01-20 |
delete person Hideaki Sato |
| 2021-01-20 |
delete person Mamoru Ishii |
| 2021-01-20 |
delete person Satoshi Tsuchiyama |
| 2020-09-30 |
insert otherexecutives Hideaki Sato |
| 2020-09-30 |
insert otherexecutives Mamoru Ishii |
| 2020-09-30 |
insert otherexecutives Satoshi Tsuchiyama |
| 2020-09-30 |
insert person Hideaki Sato |
| 2020-09-30 |
insert person Mamoru Ishii |
| 2020-09-30 |
insert person Satoshi Tsuchiyama |
| 2018-11-18 |
delete otherexecutives Tomoo Yamada |
| 2018-11-18 |
insert otherexecutives Kazuo Sakai |
| 2018-11-18 |
delete person Tomoo Yamada |
| 2018-11-18 |
insert person Kazuo Sakai |
| 2017-08-05 |
insert person Dr. Hideki Koudou |
| 2017-01-06 |
delete chairman Yoshiaki Asai |
| 2017-01-06 |
delete person Yoshiaki Asai |
| 2016-07-06 |
insert otherexecutives Shinsuke Noichi |
| 2016-07-06 |
insert person Shinsuke Noichi |
| 2016-07-06 |
insert person Sumitomo Mitsui |
| 2016-05-04 |
delete otherexecutives Takashi Tajima |
| 2016-05-04 |
delete otherexecutives Tetsuya Ogai |
| 2016-05-04 |
insert otherexecutives Tomoo Yamada |
| 2016-05-04 |
delete person Kojiro Oda |
| 2016-05-04 |
delete person Takashi Tajima |
| 2016-05-04 |
delete person Tetsuya Ogai |
| 2016-05-04 |
insert person Tomoo Yamada |
| 2015-09-22 |
delete otherexecutives Kojiro Oda |
| 2015-09-22 |
delete otherexecutives Takashi Tajima |
| 2015-09-22 |
delete otherexecutives Tetsuya Ogai |
| 2015-09-22 |
delete person Kojiro Oda |
| 2015-09-22 |
delete person Takashi Tajima |
| 2015-09-22 |
delete person Tetsuya Ogai |
| 2015-09-22 |
insert person SUMITOMO MITSUI |
| 2015-09-22 |
insert person Tomoo Yamada |
| 2015-09-22 |
update person_title Yoshiaki Asai: Outside Director; Director => Director |
| 2014-03-03 |
delete managingdirector Asai Yoshiaki |
| 2014-03-03 |
delete otherexecutives Masahiro Matsushita |
| 2014-03-03 |
delete otherexecutives Masanori Mori |
| 2014-03-03 |
delete otherexecutives Shigemi　Wakamatsu |
| 2014-03-03 |
delete otherexecutives Yusaku Yamaguchi |
| 2014-03-03 |
insert otherexecutives Kojiro Oda |
| 2014-03-03 |
insert otherexecutives Takafumi Shimizu |
| 2014-03-03 |
insert otherexecutives Takashi Tajima |
| 2014-03-03 |
insert otherexecutives Tetsuya Ogai |
| 2014-03-03 |
delete person Masahiro Matsushita |
| 2014-03-03 |
delete person Masanori Mori |
| 2014-03-03 |
delete person Shigemi　Wakamatsu |
| 2014-03-03 |
delete person Yusaku Yamaguchi |
| 2014-03-03 |
insert person Kojiro Oda |
| 2014-03-03 |
insert person Takafumi Shimizu |
| 2014-03-03 |
insert person Takashi Tajima |
| 2014-03-03 |
insert person Tetsuya Ogai |
| 2014-03-03 |
update person_title Asai Yoshiaki: Managing Director; Director => Outside Director; Director |