Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947818 | Internal combustion engine with device for warning of malfunction in an air-fuel ratio control system | Tatsuyoshi Kamohara, Tadashi Sugino, Toshio Suematsu | 1990-08-14 |