Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632660 | Watercraft catalytic exhaust system | Ryoichi Nakase, Hiroaki Fujimoto | 1997-05-27 |
| 5562509 | Watercraft catalytic exhaust system | Ryoichi Nakase, Hiroaki Fujimoto | 1996-10-08 |
| 5556314 | Exhaust system for watercraft | Yoshihide Fukuda | 1996-09-17 |
| 5531620 | Water-cooled exhaust system for watercraft | Ryoichi Nakase | 1996-07-02 |
| 5531619 | Control device for marine propulsion unit engine | Ryoichi Nakase | 1996-07-02 |
| 5372526 | Drive bearing lubricating device for water injection propulsion vessel | Ryoichi Nakase | 1994-12-13 |
| 5366397 | Water jet propulsion unit | Noboru Suganuma, Ryoichi Nakase | 1994-11-22 |
| 5251309 | System for measuring the efficiency of accessing vector elements using interelement distance of vector data or bank conflicts | Kouji Kinoshita, Shigenori Takekawa | 1993-10-05 |