| Date | Description |
|---|
| 2020-04-23 |
delete ceo Satoshi Itou |
| 2020-04-23 |
delete president Satoshi Itou |
| 2020-04-23 |
insert ceo Satoshi Kuwahara |
| 2020-04-23 |
insert president Satoshi Kuwahara |
| 2020-04-23 |
delete person Satoshi Itou |
| 2020-04-23 |
insert person Satoshi Kuwahara |
| 2016-04-10 |
delete ceo Sunao Matsubayashi |
| 2016-04-10 |
delete president Sunao Matsubayashi |
| 2016-04-10 |
insert ceo Satoshi Itou |
| 2016-04-10 |
insert president Satoshi Itou |
| 2016-04-10 |
delete person Sunao Matsubayashi |
| 2016-04-10 |
insert person Satoshi Itou |