Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4717204 | Reclining angle adjustment device | — | 1988-01-05 |
| 4629250 | Reclining angle adjustment device | Akira Owada, Naoaki Katsumoto | 1986-12-16 |
| 4629251 | Reclining angle adjustment device | — | 1986-12-16 |