Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817454 | Damping force control type hydraulic shock absorber | Yohei Katayama | 2004-11-16 |
| 6729446 | Solenoid-operated driving apparatus and damping force control type hydraulic shock absorber using the same | Hiroshi Sakai | 2004-05-04 |