Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844041 | Method of controlling the air/fuel ratio for an internal combustion engine mounted on a vehicle | Junichi Koseki, Hiroaki Iwasaki, Norio Tomobe, Kozo Suzuki | 1989-07-04 |