Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4653452 | Method and apparatus for controlling fuel supply of internal combustion engine | Hiroshi Sawada | 1987-03-31 |
| 4583363 | Secondary air supply control device in internal combustion engine | Hidemi Oonaka | 1986-04-22 |
| 4516551 | Control system for ignition timing and exhaust gas recirculation of combustion engine | — | 1985-05-14 |
| 4501243 | Air-fuel ratio control apparatus | Yukihide Niimi, Kenzi Kinoshita | 1985-02-26 |
| 4478191 | Air-fuel ratio control system for internal combustion engines | Kenzi Kinoshita, Yukihide Niimi | 1984-10-23 |
| 4478192 | Air-fuel ratio control system for internal combustion engines | Kenzi Kinoshita, Yukihide Niimi, Hidemi Ohnaka | 1984-10-23 |