Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888576 | Method and system for detecting the level of engine oil of an engine | Shin'ichi Kubota, Hiromitsu Adachi | 1989-12-19 |
| 4876529 | Method and system for detecting the level of engine oil of an engine | Shin'ichi Kubota, Hiromitsu Adachi | 1989-10-24 |
| 4854271 | Intake manifold assembly for engines | Yasuo Kitami | 1989-08-08 |