Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844126 | Rotary control valve for power assist steering system | Koh Uchida, Takashi Kurihara | 1989-07-04 |
| 4830131 | Variable assist power steering system | Koh Uchida, Takashi Kurihara | 1989-05-16 |