Issued Patents 2021
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199140 | Engine | Yoshiyuki Umemoto, Ryoichi Kanehira | 2021-12-14 |
| 11174826 | Engine | Yoshiyuki Umemoto, Jun Teramoto | 2021-11-16 |
| 11162440 | Variable compression device and engine system | Yoshiyuki Umemoto | 2021-11-02 |
| 11156172 | Compression ratio varying mechanism | Mitsuaki Hayashi | 2021-10-26 |
| 11131254 | Marine engine | Yoshiyuki Umemoto, Toshihiko Shimizu, Takahiro Takimoto | 2021-09-28 |
| 11105281 | Marine engine | Yoshiyuki Umemoto, Toshihiko Shimizu | 2021-08-31 |
| 11098620 | Variable compression ratio mechanism | Jun Teramoto, Ryo Ohara | 2021-08-24 |
| 11085380 | Engine control system | Takahide Aoyagi, Takayuki Hirose, Takayuki Yamada, Hayato Nakajima | 2021-08-10 |
| 11053865 | Compression ratio control device and engine | Yoshiyuki Umemoto, Takahiro Takimoto, Jun Teramoto, Kazuki Yotsui, Keitoku Iguchi | 2021-07-06 |