Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5838039 | Semiconductor memory having a tunneling region | Kazuo Sato, Kenji Ueda, Michio Morita, Fumihiko Noro, Kyoko Miyamoto +2 more | 1998-11-17 |
| 5203290 | Intake and/or exhaust-valve timing control sytem for internal combustion engine | Seiji Tsuruta, Tamotsu Todo | 1993-04-20 |
| 5203291 | Valve timing control system for internal combustion engine | Seiji Suga, Akio Akasaka | 1993-04-20 |
| 5117785 | Valve timing control device for internal combustion engine | Seiji Suga | 1992-06-02 |