Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582459 | Chair having tiltable seat back | Katsunori Hama, Hiroshi Iwabuchi, Masaru Nakaseko | 1996-12-10 |
| 5348372 | Tilting control assembly for chair | Hirozi Kubo, Katsunori Hama, Hiroshi Iwabuchi | 1994-09-20 |
| 5224758 | Tilting control assembly for chair | Hirozi Kubo, Katsunori Hama, Hiroshi Iwabuchi | 1993-07-06 |
| 5080318 | Tilting control assembly for chair | Hiroji Kubo, Katsunori Hama, Hiroshi Iwabuchi | 1992-01-14 |
| 4348152 | Article retrieval device | — | 1982-09-07 |
| 4333005 | Automatic code reading devices | Kinshi Maekawa | 1982-06-01 |