Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9787679 | Teleconference system and storage medium storing program for teleconference | — | 2017-10-10 |
| 9732641 | Variable valve mechanism of internal combustion engine | Koki Yamaguchi, Naoki Hiramatsu | 2017-08-15 |
| 9556762 | Variable valve mechanism of internal combustion engine | Naoki Hiramatsu, Koki Yamaguchi | 2017-01-31 |
| 9540969 | Variable valve mechanism of internal combustion engine | Koki Yamaguchi, Naoki Hiramatsu | 2017-01-10 |