Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11828221 | Schnuerle scavenging two-stroke engine | Takahiro Yamazaki, Ken Shirai, Koichirou Ogura | 2023-11-28 |
| 11598247 | Two-stroke internal combustion engine | Ken Shirai, Koichirou Ogura, Tetsuya Isogai | 2023-03-07 |