Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174826 | Engine | Yutaka Masuda, Yoshiyuki Umemoto | 2021-11-16 |
| 11098620 | Variable compression ratio mechanism | Yutaka Masuda, Ryo Ohara | 2021-08-24 |
| 11053865 | Compression ratio control device and engine | Yutaka Masuda, Yoshiyuki Umemoto, Takahiro Takimoto, Kazuki Yotsui, Keitoku Iguchi | 2021-07-06 |