Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133434 | Variable damping force shock absorber with feature of independent adjustment of damping characteristics for bounding a rebounding strokes | Fumiyuki Yamaoka | 1992-07-28 |
| 5133574 | Variable damping characteristics suspension system for automotive suspension system with variable damping characteristics shock absorber with input vibration frequency dependent variation characteristics | Fumiyuki Yamaoka, Shinobu Kakizaki | 1992-07-28 |
| 5054809 | Variable damping characteristics shock absorber | Fumiyuki Yamaoka, Shinobu Kakizaki | 1991-10-08 |
| 4984819 | Automotive suspension system and shock absorber therefor | Shinobu Kakizaki, Fumiyuki Yamaoka, Junichi Emura | 1991-01-15 |
| 4961483 | Variable damping characteristics shock absorber with feature of generation of piston stroke direction indicative signal | Fumiyuki Yamaoka, Shinobu Kakizaki | 1990-10-09 |
| 4949989 | Automotive suspension system with variable suspension characteristics and variable damping force shock absorber therefor | Shinobu Kakizaki, Fumiyuki Yamaoka, Junichi Emura | 1990-08-21 |
| 4948163 | Damping characteristics variable hydraulic shock absorber for automotive suspension system with vehicular attitude suppressing capability | Fumiyuki Yamaoka, Shinobu Kakizaki, Junichi Emura | 1990-08-14 |