| Date | Description |
|---|---|
| 2023-06-28 | delete ceo Kazuo Yoshioka |
| 2023-06-28 | delete managingdirector Shigeo Kinoshita |
| 2023-06-28 | insert managingdirector Mitsunori Kobayashi |
| 2023-06-28 | delete person Kazuo Yoshioka |
| 2023-06-28 | delete person Shigeo Kinoshita |
| 2023-06-28 | insert person Mitsunori Kobayashi |
| 2021-07-14 | insert email ka..@kantokikai.co.jp |