corporate
Officials
| President | Mitsuru Araya |
|---|---|
| Managing director | Kazuhiro Asabuki |
| Managing director | Manabu Kitamura |
| Managing director | Takahisa Nagao |
| Director | Tadashi Uramoto |
| Director | Takashi Matsuoka |
| Director | Koji Nakao |
| Director | Hisao Katsuki |
| Director（part time） | Kazuo Sagawa |
| Auditor | Kazunori Inoue |
| Auditor（part time） | Masaji Tomura |
| Auditor（part time） | Fumio Natsume |