| Date | Description |
|---|
| 2023-07-16 |
insert managingdirector Hiroyuki Yamamoto |
| 2023-07-16 |
delete person Toshio Takano |
| 2023-07-16 |
insert person Hiroyuki Yamamoto |
| 2018-06-17 |
delete chairman Toshifumi Saito |
| 2018-06-17 |
insert otherexecutives Kojiro Segawa |
| 2018-06-17 |
delete person Koichi Shibayama |
| 2018-06-17 |
delete person Toshifumi Saito |
| 2018-06-17 |
insert person Atsushi Suginobu |
| 2018-06-17 |
insert person Kojiro Segawa |
| 2015-11-03 |
delete about_pages_linkeddomain google.co.jp |
| 2013-12-28 |
delete source_ip 210.150.68.58 |
| 2013-12-28 |
insert source_ip 49.212.236.163 |