Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6517397 | Air induction system for small watercraft | Yoshihiro Gohara, Tetsuya Ishino | 2003-02-11 |
| 5676575 | Exhaust system for watercraft | Shigeyuki Ozawa | 1997-10-14 |
| 5556314 | Exhaust system for watercraft | Shigeyuki Ozawa | 1996-09-17 |
| 4881370 | Exhaust device for outboard motor | Yoshihiro Sakurai, Kouji Abe | 1989-11-21 |