Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10571036 | Valve device for exhaust flow passage | Yoshiteru Shirai, Katsuhiko Kainuma, Munehiro Tsubosaka | 2020-02-25 |
| 10364732 | Valve device for exhaust flow passage | Munehiro Tsubosaka | 2019-07-30 |
| 9447715 | Valve device for exhaust gas flow path | — | 2016-09-20 |