Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10337400 | Variable compression ratio internal combustion engine and learning method therefor | Kazuhiko Okamoto, Eiji Takahashi | 2019-07-02 |
| 10287975 | Internal combustion engine | Yoshiaki Tanaka | 2019-05-14 |
| 6561142 | Crank mechanism of reciprocating internal combustion engine of multi-link type | Katsuya Moteki, Shunichi Aoyama, Hiroya Fujimoto | 2003-05-13 |