Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693218 | Internal combustion engine | — | 1987-09-15 |
| 4210939 | Method and system for synchronizing the movement of plural recording media | Ichiro Ninomiya, Hitoshi Sakamoto, Katsuichi Tachi | 1980-07-01 |