Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047647 | Variable valve mechanism of internal combustion engine | Naoki Hiramatsu, Masatoshi Sugiura, Motohiro Yuge | 2018-08-14 |
| 10024199 | Variable valve mechanism of internal combustion engine | Naoki Hiramatsu, Masahide Sakurai, Motohiro Yuge, Masaaki Tani | 2018-07-17 |
| 9879577 | Variable valve mechanism of internal combustion engine | Naoki Hiramatsu, Takayuki Maezako, Masatoshi Sugiura, Shinichiro Kikuoka, Masaaki Tani +1 more | 2018-01-30 |