Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32030 | Closed loop controlled auxiliary air delivery system for internal combustion engine | Haruo Yuzawa | 1985-11-12 |
| 4399789 | Warm up control system for an internal combustion engine | — | 1983-08-23 |
| 4383515 | Electronic fuel injection control system for an internal combustion engine | Kazuhiro Higashiyama, Katsumi Hosoya, Shyunichi Kadowaki | 1983-05-17 |
| 4274385 | Exhaust gas recirculation system for internal combustion engine | Haruo Yuzawa | 1981-06-23 |
| 4257381 | Exhaust gas recirculation system controlled by a microcomputer for an internal combustion engine | Haruo Yuzawa | 1981-03-24 |
| 4240145 | Closed loop controlled auxiliary air delivery system for internal combustion engine | Haruo Yuzawa | 1980-12-16 |