Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433666 | Exhaust gas recirculation system for diesel engine | Seishi Yasuhara | 1984-02-28 |
| 4407247 | Closed loop type air-fuel ratio control system of an internal combustion engine | — | 1983-10-04 |
| 4404941 | Electronic controlled carburetor | — | 1983-09-20 |
| 4388904 | Air-fuel ratio control system | — | 1983-06-21 |
| 4385612 | Air-fuel ratio control system for internal combustion engines | Hidetoshi Kanegae | 1983-05-31 |
| 4369650 | Adjustable air flow sensor arrangement | Tadahiro Yamamoto | 1983-01-25 |
| 4368704 | Fast idle device for carburetor | — | 1983-01-18 |
| 4359989 | System for feedback control of air-fuel mixing ratio in intake system of internal combustion engine | Kohki Sone, Sadao Takase | 1982-11-23 |
| 4351480 | Fuel injection valve for an automotive vehicle | Masaaki Saito | 1982-09-28 |
| 4344401 | Electrostatic fuel injector | — | 1982-08-17 |
| 4342230 | Pressure sensor and sensing method | Kenji Okamura | 1982-08-03 |
| 4337746 | System for feedback control of air/fuel ratio in internal combustion engine | — | 1982-07-06 |
| 4292946 | Air-fuel ratio control system | — | 1981-10-06 |
| 4291658 | Automotive engine carburetor | Koyo Nakamura | 1981-09-29 |
| 4280471 | Control system for internal combustion engine | — | 1981-07-28 |
| 4254800 | Fluid flow rate control apparatus | — | 1981-03-10 |
| 4233811 | Exhaust gas reaction control system | — | 1980-11-18 |
| 4231331 | Pulse generator of the corona discharge type for sensing engine crankshaft angle on an engine control system | Suzuo Suzuki, Hastuo Nagaishi | 1980-11-04 |
| 4217869 | Method of controlling the air-fuel ratio of an air-fuel mixture provided for an internal combustion engine and a system for executing the method | — | 1980-08-19 |
| 4209981 | Method and an apparatus to control the temperature of an engine exhaust gas purifying device | Yukio Miyamori | 1980-07-01 |
| 4198939 | Method of controlling the air-fuel ratio of an engine air-fuel mixture and a system for executing the method | — | 1980-04-22 |