Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7510060 | Damper with variable damping force | Masaki Izawa, Yoshio Onoe | 2009-03-31 |
| 7406371 | Suspension control system | Masaki Izawa, Takafumi Kato, Shigenobu Sekiya, Yoshio Onoe | 2008-07-29 |
| 5678847 | Active suspension system | Masaki Izawa, Hirotada Ito, Takuju Nakamura | 1997-10-21 |