Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862855 | Control apparatus for internal combustion engine | Toshio Manaka, Akira Teragakiuchi, Masami Nagano, Masakatsu Fujishita, Junji Miyake | 1989-09-05 |
| 4837698 | Method of controlling air-fuel ratio | Matsuo Amano, Masami Shida, Takeshi Hirayama, Takao Sasayama | 1989-06-06 |
| 4799380 | Engine rotation speed detecting apparatus | Toru Suzuki, Akihito Watanabe | 1989-01-24 |