Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9732641 | Variable valve mechanism of internal combustion engine | Masatoshi Sugiura, Koki Yamaguchi | 2017-08-15 |
| 9556762 | Variable valve mechanism of internal combustion engine | Masatoshi Sugiura, Koki Yamaguchi | 2017-01-31 |
| 9540969 | Variable valve mechanism of internal combustion engine | Koki Yamaguchi, Masatoshi Sugiura | 2017-01-10 |