Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858713 | Power-assisted steering system | Hiroshi Kawakami, Harunori Shiratori, Koichi Sugihara, Fumio Kishida | 1989-08-22 |
| 4853638 | Water quality control method, and method and apparatus for measuring electrical conductivity used in the water quality control | Masao Endou, Yamato Asakura, Masaharu Sakagami, Shunsuke Uchida, Makoto Nagase +2 more | 1989-08-01 |
| 4800770 | Rack-and-pinion type steering gear for automotive vehicles | Nobuo Kobayashi, Iwao Tanimoto, Hiroaki Shinto | 1989-01-31 |