| Patent | Date |
|---|
Fuel injection control system for engine
Grant 7,401,605 - Hasegawa , et al. July 22, 2 | 2008-07-22 |
Engine control method and device
Grant 7,324,891 - Hasegawa January 29, 2 | 2008-01-29 |
Failure diagnostic method and apparatus for manifold pressure sensors
Grant 7,263,427 - Hasegawa , et al. August 28, 2 | 2007-08-28 |
Failure diagnostic method and apparatus for manifold pressure sensor
Grant 7,243,021 - Hasegawa July 10, 2 | 2007-07-10 |
Failure diagnostic method and apparatus for atmospheric pressure sensors
Grant 7,203,594 - Hasegawa April 10, 2 | 2007-04-10 |
Method and apparatus for diagnosing failure of an atmospheric pressure sensor in an engine control system
Grant 7,197,917 - Hasegawa April 3, 2 | 2007-04-03 |
Engine control method and device
App 20060200301 - Hasegawa; Shumpei | 2006-09-07 |
Fuel injection control system for engine
App 20060196473 - Hasegawa; Shumpei ; et al. | 2006-09-07 |
Method and apparatus for controlling engine
Grant 7,100,571 - Hasegawa September 5, 2 | 2006-09-05 |
Method And Apparatus For Controlling Engine
App 20060191516 - Hasegawa; Shumpei | 2006-08-31 |
Method and apparatus for diagnosing failure of an atmospheric pressure sensor in an engine control system
App 20060179926 - Hasegawa; Shumpei | 2006-08-17 |
Failure diagnostic method and apparatus for atomospheric pressure sensors
App 20060184309 - Hasegawa; Shumpei | 2006-08-17 |
Failure diagnostic method and apparatus for manifold pressure sensors
App 20060184308 - Hasegawa; Shumpei ; et al. | 2006-08-17 |
Failure diagnostic method and apparatus for manifold pressure sensor
App 20060184310 - Hasegawa; Shumpei | 2006-08-17 |
Engine
Grant 7,086,371 - Sanada , et al. August 8, 2 | 2006-08-08 |
Liquid-cooled engine
Grant 7,069,898 - Matsuda , et al. July 4, 2 | 2006-07-04 |
Engine
App 20050115524 - Sanada, Makoto ; et al. | 2005-06-02 |
Liquid-cooled engine
App 20050109293 - Matsuda, Minoru ; et al. | 2005-05-26 |
Lean burn engine control system
Grant 6,866,023 - Hasegawa March 15, 2 | 2005-03-15 |
Lean burn engine control system
App 20040079334 - Hasegawa, Shumpei | 2004-04-29 |
Apparatus for controlling inlet of exhaust valves
Grant 4,957,075 - Hasegawa September 18, 1 | 1990-09-18 |
Compression ratio-changing device for internal combustion engines
Grant 4,864,975 - Hasegawa September 12, 1 | 1989-09-12 |
Apparatus for controlling the operating state of an internal combustion engine
Grant 4,604,703 - Hasegawa August 5, 1 | 1986-08-05 |
Air-fuel ratio control method for internal combustion engines for vehicles
Grant 4,596,164 - Hasegawa , et al. June 24, 1 | 1986-06-24 |
Air/fuel ratio control system for an internal combustion engine
Grant 4,572,149 - Hasegawa , et al. February 25, 1 | 1986-02-25 |
Method of controlling intake air quantity for internal combustion engines
Grant 4,572,141 - Hasegawa , et al. February 25, 1 | 1986-02-25 |
Air-fuel ratio feedback control system for internal combustion engines, capable of achieving proper air-fuel ratios from the start of the engine
Grant 4,570,599 - Hasegawa , et al. * February 18, 1 | 1986-02-18 |
Idling rpm control method for an internal combustion engine adapted to improve fuel consumption characteristic of the engine
Grant 4,553,516 - Hasegawa November 19, 1 | 1985-11-19 |
Method for controlling fuel supply to an internal combustion engine after termination of fuel cut
Grant 4,527,521 - Hasegawa , et al. July 9, 1 | 1985-07-09 |
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 |
Electronic fuel injection control system for multi-cylinder internal combustion engines
Grant 4,508,083 - Hasegawa , et al. April 2, 1 | 1985-04-02 |
Method for controlling fuel supply to an internal combustion engine after termination of fuel cut
Grant 4,508,088 - Hasegawa , et al. April 2, 1 | 1985-04-02 |
Electronic circuit for vehicles, having a fail safe function for abnormality in supply voltage
Grant 4,503,479 - Otsuka , et al. March 5, 1 | 1985-03-05 |
Device for intake air temperature-dependent correction of air/fuel ratio for internal combustion engines
Grant 4,492,206 - Hasegawa , et al. January 8, 1 | 1985-01-08 |
Idling rpm feedback control method for internal combustion engines
Grant 4,491,108 - Hasegawa , et al. January 1, 1 | 1985-01-01 |
Idling rpm feedback control method for internal combustion engines
Grant 4,491,107 - Hasegawa , et al. January 1, 1 | 1985-01-01 |
Method for controlling engine idling rpm immediately after the start of the engine
Grant 4,479,471 - Hasegawa , et al. October 30, 1 | 1984-10-30 |
Device for intake air temperature-dependent correction of air/fuel ratio for internal combustion engines
Grant 4,465,051 - Hasegawa August 14, 1 | 1984-08-14 |
Electronic fuel injection control system for internal combustion engines having exhaust gas recirculation control devices
Grant 4,461,263 - Hasegawa July 24, 1 | 1984-07-24 |
Electronic fuel injection control system for internal combustion engines having exhaust gas recirculation devices
Grant 4,454,853 - Hasegawa June 19, 1 | 1984-06-19 |
Electronic fuel injection control system for internal combustion engines having exhaust gas recirculation control devices
Grant 4,454,852 - Hasegawa June 19, 1 | 1984-06-19 |
Electric control system for internal combustion engines, having fail safe function for engine condition detecting sensors
Grant 4,450,812 - Otsuka , et al. May 29, 1 | 1984-05-29 |
Exhaust gas recirculation control system having variable valve lift correcting speed for exhaust gas recirculation valve
Grant 4,448,177 - Hasegawa , et al. May 15, 1 | 1984-05-15 |
Air/fuel ratio feedback control system adapted to obtain stable engine operation under particular engine operating conditions
Grant 4,445,482 - Hasegawa , et al. May 1, 1 | 1984-05-01 |
Fuel supply control system for internal combustion engines, having a function of leaning mixture in an engine low load region
Grant 4,445,483 - Hasegawa May 1, 1 | 1984-05-01 |
Fail safe device for air/fuel ratio feedback control system
Grant 4,414,950 - Otsuka , et al. November 15, 1 | 1983-11-15 |
Air/fuel ratio control system for internal combustion engines, having air/fuel ratio control function at engine acceleration
Grant 4,401,080 - Otsuka , et al. August 30, 1 | 1983-08-30 |
Air/fuel ratio control system for internal combustion engines, having engine warming-up detecting means
Grant 4,399,792 - Otsuka , et al. August 23, 1 | 1983-08-23 |
Air/fuel ratio control system for internal combustion engines, having function of detecting air/fuel ratio control initiating timing
Grant 4,383,409 - Otsuka , et al. May 17, 1 | 1983-05-17 |
Flow rate control system for fluid being supplied to an internal combustion engine, having initial position setting function for flow rate control valve actuator
Grant 4,380,985 - Otsuka , et al. April 26, 1 | 1983-04-26 |
Air/fuel ratio control system for internal combustion engines, having exhaust gas recirculation control function
Grant 4,380,988 - Otsuka , et al. April 26, 1 | 1983-04-26 |
Air/fuel ratio control system having an evaporated fuel purging control arrangement
Grant 4,377,142 - Otsuka , et al. March 22, 1 | 1983-03-22 |
Control system for internal combustion engines, provided with an exhaust gas recirculation control having a fail safe function
Grant 4,375,800 - Otsuka , et al. March 8, 1 | 1983-03-08 |
Control device for pulse motors, having a fail safe function
Grant 4,371,822 - Otsuka , et al. February 1, 1 | 1983-02-01 |
Air/fuel ratio control system for internal combustion engines, having air/fuel control function at engine deceleration
Grant 4,367,713 - Otsuka , et al. January 11, 1 | 1983-01-11 |
Control system for internal combustion engines, having function of detecting abnormalities in engine speed signal detecting system
Grant 4,364,359 - Otsuka , et al. December 21, 1 | 1982-12-21 |
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