Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132215 | Engine lubricating device | Kentaro Nagai, Takahiro Yamazaki, Hiroki Oso | 2018-11-20 |
| 10018147 | Piston for engine | Hiroki Oso, Hideyuki Koyama, Manabu Miyazaki, Takahito Hamasaki, Takahiro Yamazaki | 2018-07-10 |