Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862369 | Electronically-controlled fuel injection system | Yoshio Suzuki | 1989-08-29 |
| 4844038 | Abnormality detecting method for exhaust gas concentration sensor for internal combustion engines | Akihiro Yamato | 1989-07-04 |
| 4831536 | Method of processing controlled variables in engine control system | Kikuo Tomozawa | 1989-05-16 |