Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11280233 | Ventilator-equipped engine | Takeshi Kawasaki, Yuichiro Yamada | 2022-03-22 |
| 11274627 | Spark ignition engine | Takeshi Kawasaki, Yuichiro Yamada | 2022-03-15 |
| 10975742 | Blow-by gas return device | Kentaro Shiraishi | 2021-04-13 |
| 10774704 | Engine head cover | Kentaro Shiraishi, Naotaro Nagai | 2020-09-15 |
| 6155222 | Overhead valve engine | Shin Isomura | 2000-12-05 |
| 5960751 | Inclined engine with governor gear | — | 1999-10-05 |