Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332451 | Rotary valve actuator arrangement | Hisaaki Sato, Masato Kumagai, Keiichi Kai | 2001-12-25 |
| 6039027 | Throttle valve device | Hisaaki Sato, Masato Kumagai | 2000-03-21 |
| 6032647 | Throttle valve control device | Hisaaki Sato, Masato Kumagai | 2000-03-07 |