Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860842 | Steering system in wheeled vehicle | Masashi Yamashita, Hiroshi Kawakami | 1989-08-29 |
| 4858713 | Power-assisted steering system | Hiroshi Kawakami, Harunori Shiratori, Atsushi Watanabe, Fumio Kishida | 1989-08-22 |