Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6125782 | Small craft with G.P.S. | Sumihiro Takashima | 2000-10-03 |
| 6041727 | Sponson for watercraft | Hisato Yamada, Mitsuhisa Hirano | 2000-03-28 |
| 5699749 | Exhaust system, hull, and speed indicator for watercraft | Hisato Yamada, Mitsuhisa Hirano | 1997-12-23 |