Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161353 | Piston for engine | Hideyuki Koyama, Takahiro Yamazaki, Kentaro Nagai, Rina KANEKO | 2018-12-25 |
| 10132215 | Engine lubricating device | Kentaro Nagai, Hideyuki Goto, Takahiro Yamazaki | 2018-11-20 |
| 10018147 | Piston for engine | Hideyuki Koyama, Manabu Miyazaki, Hideyuki Goto, Takahito Hamasaki, Takahiro Yamazaki | 2018-07-10 |