Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131254 | Marine engine | Yutaka Masuda, Yoshiyuki Umemoto, Toshihiko Shimizu | 2021-09-28 |
| 11053865 | Compression ratio control device and engine | Yutaka Masuda, Yoshiyuki Umemoto, Jun Teramoto, Kazuki Yotsui, Keitoku Iguchi | 2021-07-06 |
| 8972151 | Two-cycle engine | Takayuki Hirose, Takeshi Yamada, Yasunori Ashikaga, Takayuki Yamada, Takahiro Kuge +1 more | 2015-03-03 |