Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615926 | Chair with removable armrest | Hiroshi Kanai, Hideo Nishimura, Atsuo Okamoto | 1997-04-01 |
| 5601337 | Chair | Hideo Nishimura, Atsuo Okamoto, Shigeo Negishi | 1997-02-11 |
| 5513898 | Chair with removable armrest | Hiroshi Kanai, Hideo Nishimura, Atsuo Okamoto | 1996-05-07 |