Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6508225 | Fuel control system for marine engine | — | 2003-01-21 |
| 6481394 | Control system for two-cycle engine | — | 2002-11-19 |
| 6024068 | Watercraft engine control | Ryoichi Nakase, Shigeyuki Ozawa | 2000-02-15 |
| 5830022 | Catalytic exhaust system for watercraft | Ryoichi Nakase, Shigeyuki Ozawa | 1998-11-03 |
| 5797775 | Engine control system for a watercraft | Shigeyuki Ozawa, Ryoichi Nakase, Hiroaki Fujimoto | 1998-08-25 |
| 5787847 | Oil supply system for a planing type boat | Shigeyuki Ozawa, Ryoichi Nakase | 1998-08-04 |
| 5524597 | Ignition system for watercraft | Naoki Katoh, Ryoichi Nakase | 1996-06-11 |