Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416737 | Boat propulsion device and float position determining method | Ryotaro Yasumura | 2016-08-16 |
| 9327815 | Outboard motor | Ryotaro Yasumura, Koushirou Inaba | 2016-05-03 |
| 9315251 | Outboard motor | Ryotaro Yasumura, Koushirou Inaba | 2016-04-19 |