Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869224 | In-engine deposit detection apparatus for engine control system | Osamu Abe, Aiichi Uehara | 1989-09-26 |
| 4836169 | Engine control apparatus | Taiji Hasegawa | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869224 | In-engine deposit detection apparatus for engine control system | Osamu Abe, Aiichi Uehara | 1989-09-26 |
| 4836169 | Engine control apparatus | Taiji Hasegawa | 1989-06-06 |