Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11378001 | Electronic fuel injection type diesel engine | Hideyuki Koyama, Mitsugu Okuda, Yuji Shinohara, Mitsuru Kamiyama | 2022-07-05 |
| 11371414 | Exhaust system for engine | Nobuyoshi Okada, Hideyuki Koyama, Yoshinori Tanaka, Kenji Okamoto | 2022-06-28 |
| 11261780 | Engine equipped with supercharger | Nobuyoshi Okada, Shingo Matsunobu, Yoshinori Tanaka, Ayako Sakurai | 2022-03-01 |