Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385810 | Intake system of internal combustion engine with supercharger | Kazuya Matsushima, Yoichi Oyamada, Yoshiyuki Kawai, Kohei Hotta | 2019-08-20 |
| 10151226 | Oil separator | Kohei Hotta, Yoshiyuki Suzuki, Kazuya Matsushima, Akihiro Yamashita, Yoshiyuki Kawai | 2018-12-11 |
| 5547429 | Auto-tensioner | Katsumi Hirabayashi | 1996-08-20 |