Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886035 | Air-fuel ratio control method for an internal combustion engine | Norio Tomobe, Haruo Shimamura, Yutaka Taniguchi, Yuji Fujiki | 1989-12-12 |
| 4844041 | Method of controlling the air/fuel ratio for an internal combustion engine mounted on a vehicle | Yoshiharu Ave, Junichi Koseki, Hiroaki Iwasaki, Norio Tomobe | 1989-07-04 |
| 4845699 | Electric mechanical transducer and optical type pickup apparatus driven by a magnetic field | Ryoichi Kawasaki, Masami Shimizu, Noriyoshi Oyama, Tomio Uchida | 1989-07-04 |
| 4811320 | Optical type pickup apparatus with lens holder supported by frame wires each having an end inserted into a frame hole | Ryoichi Kawasaki, Masami Shimizu, Noriyoshi Oyama, Tomio Uchida | 1989-03-07 |