Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10544719 | Internal combustion engine | Yoshiyuki Kawai, Yoshiyuki Suzuki, Akihiro Yamashita | 2020-01-28 |
| 10385810 | Intake system of internal combustion engine with supercharger | Kazuya Matsushima, Daigo USA, Yoshiyuki Kawai, Kohei Hotta | 2019-08-20 |
| 8596644 | Seal structure for engine | Hideaki Takahashi | 2013-12-03 |