Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858898 | Accumulator | Yoshiharu Niikura, Chiharu Umetsu | 1989-08-22 |
| 4828231 | Car suspension system | Takeyoshi Shinbori, Nobuya Ezure | 1989-05-09 |
| 4813519 | Cylinder piston apparatus for a suspension system | Kousuke Matsubara | 1989-03-21 |