Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6732700 | Oil pump unit for engine | — | 2004-05-11 |
| 6648702 | Control system for small watercraft | Masayoshi Nanami, Masaki Takegami | 2003-11-18 |
| 6537115 | Oil pump construction for watercraft engine | Masaki Takegami, Keiya Funahashi | 2003-03-25 |
| 6491556 | Ventilation system for watercraft engine | Hitoshi Muramatsu | 2002-12-10 |
| 6475046 | Lubrication system for 4-cycle engine of small watercraft | Hitoshi Muramatsu, Toshiaki Kasahara | 2002-11-05 |
| 6419531 | Control system for small watercraft | Masayoshi Nanami, Masaki Takegami | 2002-07-16 |
| 6394860 | Lubrication system for small watercraft | Masayoshi Nanami, Masaki Takegami | 2002-05-28 |
| 6267633 | Reverse thrust bucket assembly for jet propulsion unit | — | 2001-07-31 |
| 6170423 | Watercraft bilge system | — | 2001-01-09 |
| 5881664 | Watercraft bilge system | — | 1999-03-16 |
| 5749757 | Impeller shaft journal for jet pump | — | 1998-05-12 |
| 5636586 | Watercraft bilge system | — | 1997-06-10 |
| 5558456 | Drive bearing arrangements for watercraft | Ryoichi Nakase | 1996-09-24 |
| 5366397 | Water jet propulsion unit | Shigeyuki Ozawa, Ryoichi Nakase | 1994-11-22 |
| 5342227 | Water jet propulsion unit | — | 1994-08-30 |