Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810142 | Uniflow-scavenging-type two-cycle engine | Yutaka Masuda, Takayuki Yamada, Takayuki Hirose, Takeshi Yamada | 2017-11-07 |
| 9790843 | Uniflow scavenging 2-cycle engine | Yutaka Masuda, Takayuki Yamada, Takeshi Yamada | 2017-10-17 |
| 9556818 | Two-stroke uniflow engine | Takayuki Yamada, Takayuki Hirose, Yasunori Ashikaga, Takeshi Yamada | 2017-01-31 |