Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085010 | Electronic fuel injection type diesel engine | Hiroki Oso, Yuki Tagashira, Akira Tamura, Kiichi Suehiro | 2024-09-10 |
| 10982576 | Engine that includes blow-by-gas returning system | Hiroki Oso, Akira Tanaka, Hideyuki Koyama, Nobuyoshi Okada | 2021-04-20 |
| 10669903 | Oil cooling structure of engine | Hiroki Oso, Hideyuki Koyama, Hideyuki Goto, Takahiro Yamazaki, Kentaro Nagai +1 more | 2020-06-02 |
| 10641200 | Cooling structure of water-cooled engine | Hiroki Oso, Takahiro Yamazaki, Hideyuki Koyama, Yoshinori Tanaka, Takashi Yamaguchi +1 more | 2020-05-05 |
| 10161353 | Piston for engine | Hiroki Oso, Hideyuki Koyama, Takahiro Yamazaki, Kentaro Nagai | 2018-12-25 |