Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384711 | Engine | Soji Kashima, Kota Tokubi | 2022-07-12 |
| 11313319 | Engine | Soji Kashima, Kota Tokubi | 2022-04-26 |
| 7987804 | Boat propulsion engine | Kazuyuki Shiomi, Tetsuro Ikeno, Takeshi Okada | 2011-08-02 |