Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858713 | Power-assisted steering system | Hiroshi Kawakami, Koichi Sugihara, Atsushi Watanabe, Fumio Kishida | 1989-08-22 |
| 4798050 | Control system for hydraulic tandem pump in motor vehicle | Keiichi Nakamura, Tsuneo Tanaka, Yoshiharu Inaguma | 1989-01-17 |