Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808320 | Rolling vibration reduction device for internal combustion engine | Hiroki IGUMA, Ryota Tsuda, Tomohito Ono | 2023-11-07 |
| 10344669 | Variable compression ratio mechanism and internal combustion engine | — | 2019-07-09 |
| 10337366 | Internal combustion engine and method of assembling thereof | Akio Kidooka, Yoshiaki Miyazato, Masatoshi Sugiura | 2019-07-02 |
| 10041382 | Variable valve apparatus for internal combustion engine | Yoshiaki Miyazato | 2018-08-07 |
| 9945268 | Variable valve apparatus for internal combustion engine | Yoshiaki Miyazato | 2018-04-17 |
| 9726055 | Poppet valve | Shouji Katsumata, Kenichi Harada, Toshihisa Sugiyama | 2017-08-08 |