Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5853308 | Engine and exhaust system for watercraft | Masayoshi Nanami, Tetsuya Mashiko | 1998-12-29 |
| 5830022 | Catalytic exhaust system for watercraft | Shigeyuki Ozawa, Keiichi Hiki | 1998-11-03 |
| 5797775 | Engine control system for a watercraft | Shigeyuki Ozawa, Keiichi Hiki, Hiroaki Fujimoto | 1998-08-25 |
| 5787847 | Oil supply system for a planing type boat | Shigeyuki Ozawa, Keiichi Hiki | 1998-08-04 |
| 5788547 | Exhaust pipe cooling system for watercraft | Shigeyuki Ozawa, Hiroaki Fujimoto | 1998-08-04 |
| 5782214 | Exhaust timing control for a planing-type boat | Masayoshi Nanami | 1998-07-21 |
| 5732672 | Lubricant supply for internal combustion engine | — | 1998-03-31 |
| 5702276 | Watercraft catalytic exhaust system | Shigeyuki Ozawa, Hiroaki Fujimoto, Takehisa Suzuki | 1997-12-30 |
| 5634832 | Induction system for four-cycle watercraft engine | Masayoshi Nanami | 1997-06-03 |
| 5632660 | Watercraft catalytic exhaust system | Shigeyuki Ozawa, Hiroaki Fujimoto | 1997-05-27 |
| 5562509 | Watercraft catalytic exhaust system | Shigeyuki Ozawa, Hiroaki Fujimoto | 1996-10-08 |
| 5558456 | Drive bearing arrangements for watercraft | Noboru Suganuma | 1996-09-24 |
| 5558549 | Four cycle engine for watercraft | Masayoshi Nanami | 1996-09-24 |
| 5531619 | Control device for marine propulsion unit engine | Shigeyuki Ozawa | 1996-07-02 |
| 5531620 | Water-cooled exhaust system for watercraft | Shigeyuki Ozawa | 1996-07-02 |
| 5524597 | Ignition system for watercraft | Keiichi Hiki, Naoki Katoh | 1996-06-11 |
| RE34844 | Power tilt device | Hiroshi Ito | 1995-01-31 |
| 5372526 | Drive bearing lubricating device for water injection propulsion vessel | Shigeyuki Ozawa | 1994-12-13 |
| 5366397 | Water jet propulsion unit | Noboru Suganuma, Shigeyuki Ozawa | 1994-11-22 |
| 5251439 | Exhaust device for small sized boat engine | Shigeharu Mineo | 1993-10-12 |
| 5154650 | Water jet propulsion unit | — | 1992-10-13 |
| 5067448 | Exhaust cooling device for small sized boat engine | Shigeharu Mineo | 1991-11-26 |
| 5049099 | Power tilt device | Hiroshi Ito | 1991-09-17 |
| 5031562 | Marine steering apparatus | Masayoshi Nanami | 1991-07-16 |
| 4997399 | Exhaust system for small vessel | Yoshikazu Nakayasu, Seiji Inoue | 1991-03-05 |