Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250980 | Injection system for watercraft engine | — | 2001-06-26 |
| 6244915 | Fuel system and arrangement for small watercraft | — | 2001-06-12 |
| 6238258 | Direct air fuel injected watercraft engine | — | 2001-05-29 |
| 6213825 | Fuel injection system for small watercraft | — | 2001-04-10 |
| 6200178 | Small watercraft | Ryoichi Nakase, Naoki Katoh, Masayoshi Nanami | 2001-03-13 |
| 6123592 | Fuel injection system for watercraft engine | — | 2000-09-26 |
| 6120335 | Catalytic exhaust system for watercraft | Ryoichi Nakase | 2000-09-19 |
| 6095876 | Engine component layout | Ryoichi Nakase | 2000-08-01 |
| 6080026 | Direct injected personal watercraft | — | 2000-06-27 |
| 6068530 | Oxygen sensor arrangement for watercraft | — | 2000-05-30 |
| 6024068 | Watercraft engine control | Ryoichi Nakase, Keiichi Hiki | 2000-02-15 |
| 6022253 | Injection system for small watercraft | Ryoichi Nakase | 2000-02-08 |
| 6022252 | Breather arrangement for watercraft engine | — | 2000-02-08 |
| 6019090 | Engine control for engine powering a watercraft | — | 2000-02-01 |
| 6010378 | Watercraft catalytic exhaust system | Hiroaki Fujimoto, Ryoichi Nakase | 2000-01-04 |
| 5954553 | Watercraft with catalytic exhaust system | Ryoichi Nakase, Hiroaki Fujimoto | 1999-09-21 |
| 5911609 | Watercraft exhaust system | Hiroaki Fujimoto, Takehisa Suzuki | 1999-06-15 |
| 5902158 | Small watercraft | Ryoichi Nakase, Naoki Katoh, Masayoshi Nanami | 1999-05-11 |
| 5882236 | Exhaust system for small watercraft | Shigeharu Mineo | 1999-03-16 |
| 5830022 | Catalytic exhaust system for watercraft | Ryoichi Nakase, Keiichi Hiki | 1998-11-03 |
| 5797775 | Engine control system for a watercraft | Ryoichi Nakase, Keiichi Hiki, Hiroaki Fujimoto | 1998-08-25 |
| 5788547 | Exhaust pipe cooling system for watercraft | Ryoichi Nakase, Hiroaki Fujimoto | 1998-08-04 |
| 5787847 | Oil supply system for a planing type boat | Ryoichi Nakase, Keiichi Hiki | 1998-08-04 |
| 5702276 | Watercraft catalytic exhaust system | Ryoichi Nakase, Hiroaki Fujimoto, Takehisa Suzuki | 1997-12-30 |
| 5676575 | Exhaust system for watercraft | Yoshihide Fukuda | 1997-10-14 |