| Date | Description |
|---|---|
| 2024-11-10 | insert chairman Mr. Haruhisa Urabe |
| 2024-11-10 | insert otherexecutives Mr. Haruhisa Urabe |
| 2024-11-10 | insert president Mr. Takeshi Namekawa |
| 2024-11-10 | insert person Mr. Takeshi Namekawa |
| 2024-11-10 | update person_title Mr. Haruhisa Urabe: President => Representative Director; Chairman; President |
| 2015-01-12 | delete president Mr. Toyokazu Doken |
| 2015-01-12 | insert president Mr. Haruhisa Urabe |
| 2015-01-12 | delete person Mr. Toyokazu Doken |
| 2015-01-12 | insert person Mr. Haruhisa Urabe |