Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887215 | Method of examining operation of electronic control system for internal combustion engines | Chiaki Kumagai, Yutaka Kimura, Haruhito Mitomo | 1989-12-12 |
| 4796208 | Method of detecting reference crank angle position in an internal combustion engine at the time of starting same | Chiaki Kumagai, Yutaka Kimura, Haruhito Mitomo | 1989-01-03 |