| Patent | Date |
|---|
Valve operating system in internal combustion engine
Grant 5,979,379 - Sato , et al. November 9, 1 | 1999-11-09 |
Valve operation control device for internal combustion engine
Grant 4,876,995 - Otobe , et al. October 31, 1 | 1989-10-31 |
Fuel supply control method for internal combustion engines at operation in a low speed region
Grant 4,751,909 - Otobe June 21, 1 | 1988-06-21 |
Fuel supply control method for internal combustion engines, with adaptability to various engines and controls therefor having different operating characteristics
Grant 4,729,361 - Otobe , et al. March 8, 1 | 1988-03-08 |
Supercharging pressure control system for an internal combustion engine with a tubocharger and method of operation
Grant 4,697,421 - Otobe , et al. October 6, 1 | 1987-10-06 |
Ignition timing control method for internal combustion engines at idle
Grant 4,696,272 - Kato , et al. September 29, 1 | 1987-09-29 |
Operation control system for an internal combustion engine with a throttle valve finely adjustable in valve opening at low load operation of the engine
Grant 4,688,533 - Otobe August 25, 1 | 1987-08-25 |
Method of controlling an exhaust gas recirculating valve in an internal combustion engine
Grant 4,665,882 - Otobe May 19, 1 | 1987-05-19 |
Method of feedback-controlling idling speed of internal combustion engine
Grant 4,649,878 - Otobe , et al. March 17, 1 | 1987-03-17 |
Method of detecting abnormality in a system for detecting exhaust gas ingredient concentration of an internal combustion engine
Grant 4,638,658 - Otobe January 27, 1 | 1987-01-27 |
Method for controlling operating state of an internal combustion engine with an overshoot preventing function
Grant 4,636,957 - Otobe , et al. January 13, 1 | 1987-01-13 |
Method of feedback-controlling idling speed of internal combustion engine
Grant 4,633,093 - Otobe , et al. December 30, 1 | 1986-12-30 |
Method of detecting abnormality in input and output units
Grant 4,618,954 - Otobe , et al. October 21, 1 | 1986-10-21 |
Air-fuel ratio control method for internal combustion engines for vehicles
Grant 4,596,164 - Hasegawa , et al. June 24, 1 | 1986-06-24 |
Method of detecting opening of a throttle valve in a fully closed position in an internal combustion engine
Grant 4,581,924 - Otobe , et al. April 15, 1 | 1986-04-15 |
Method for detecting abnormality in the functioning of an electronic control system
Grant 4,583,176 - Yamato , et al. April 15, 1 | 1986-04-15 |
Method of feedback-controlling idling speed of internal combustion engine
Grant 4,570,592 - Otobe February 18, 1 | 1986-02-18 |
Method for controlling fuel supply to internal combustion engines having catalytic means for purifying exhaust gases, at operation in a high speed region
Grant 4,542,728 - Otobe , et al. September 24, 1 | 1985-09-24 |
Air-fuel ratio control method for an internal combustion engine for vehicles in low load operating regions
Grant 4,526,153 - Hasegawa , et al. July 2, 1 | 1985-07-02 |
Method for detecting opening of a throttle valve in a fully closed position in an internal combustion engine
Grant 4,515,009 - Hasegawa , et al. May 7, 1 | 1985-05-07 |
Fuel supply control method for an internal combustion engine, adapted to improve operational stability, etc., of the engine during operation in particular operating conditions
Grant 4,509,489 - Hasegawa , et al. April 9, 1 | 1985-04-09 |
Method for controlling control systems for internal combustion engines immediately after termination of fuel cut
Grant 4,502,448 - Otobe March 5, 1 | 1985-03-05 |
Method for controlling fuel supply to an internal combustion engine at deceleration
Grant 4,491,115 - Otobe , et al. January 1, 1 | 1985-01-01 |
Fuel injection control method for a multi-cylinder internal combustion engine, having a fail safe function for abnormality in cylinder-discriminating means
Grant 4,471,739 - Yamato , et al. September 18, 1 | 1984-09-18 |
Exhaust gas recirculation control method for internal combustion engines for vehicles
Grant 4,454,854 - Gotoh , et al. June 19, 1 | 1984-06-19 |
Deceleration fuel cut device for internal combustion engines
Grant 4,434,769 - Otobe , et al. March 6, 1 | 1984-03-06 |
Exhaust gas recirculation control device for an internal combustion engine and associated method
Grant 4,386,597 - Ootaka , et al. June 7, 1 | 1983-06-07 |
Suction mixture control system for vehicle engines
Grant 4,349,006 - Gotoh , et al. September 14, 1 | 1982-09-14 |
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