Inventor
HASEGAWA SHUMPEI
JP87 patents
Patents
50 patentsUS4864977ASep 12, 1989
Compression ratio-changing device for internal combustion engines
HONDA MOTOR CO LTD38 citations93
US4864975ASep 12, 1989
Compression ratio-changing device for internal combustion engines
HONDA MOTOR CO LTD43 citations93
US4553516ANov 19, 1985
Idling rpm control method for an internal combustion engine adapted to improve fuel consumption characteristic of the engine
HONDA MOTOR CO LTD30 citations93
US4515009AMay 7, 1985
Method for detecting opening of a throttle valve in a fully closed position in an internal combustion engine
HONDA MOTOR CO LTD29 citations93
US4502443AMar 5, 1985
Air/fuel ratio control method having fail-safe function for abnormalities in oxygen concentration detecting means for internal combustion engines
HONDA MOTOR CO LTD39 citations93
US4467761AAug 28, 1984
Engine RPM control method for internal combustion engines
HONDA MOTOR CO LTD32 citations93
US4445483AMay 1, 1984
Fuel supply control system for internal combustion engines, having a function of leaning mixture in an engine low load region
HONDA MOTOR CO LTD30 citations93
US4418674ADec 6, 1983
Electronic fuel injection control system for multi-cylinder internal combustion engines
HONDA MOTOR CO LTD29 citations93
US4399792AAug 23, 1983
Air/fuel ratio control system for internal combustion engines, having engine warming-up detecting means
HONDA MOTOR CO LTD29 citations92
US4377142AMar 22, 1983
Air/fuel ratio control system having an evaporated fuel purging control arrangement
HONDA MOTOR CO LTD29 citations92
US7243021B2Jul 10, 2007
Failure diagnostic method and apparatus for manifold pressure sensor
HONDA MOTOR CO LTD10 citations84
US7203594B2Apr 10, 2007
Failure diagnostic method and apparatus for atmospheric pressure sensors
HONDA MOTOR CO LTD12 citations84
US7197917B2Apr 3, 2007
Method and apparatus for diagnosing failure of an atmospheric pressure sensor in an engine control system
HONDA MOTOR CO LTD10 citations84
US4596164AJun 24, 1986
Air-fuel ratio control method for internal combustion engines for vehicles
HONDA MOTOR CO LTD25 citations82
US4498443AFeb 12, 1985
Fuel supply control method having fail-safe function for abnormalities in intake passage pressure detecting means of an internal combustion engine having a turbocharger
HONDA MOTOR CO LTD22 citations82
US4491108AJan 1, 1985
Idling rpm feedback control method for internal combustion engines
HONDA MOTOR CO LTD22 citations82
US4450812AMay 29, 1984
Electric control system for internal combustion engines, having fail safe function for engine condition detecting sensors
HONDA MOTOR CO LTD24 citations82
US4409948AOct 18, 1983
Exhaust gas recirculation control system having a function of automatically correcting detected zero opening value of exhaust gas recirculation valve
HONDA MOTOR CO LTD22 citations82
US4380985AApr 26, 1983
Flow rate control system for fluid being supplied to an internal combustion engine, having initial position setting function for flow rate control valve actuator
HONDA MOTOR CO LTD22 citations82
US4375800AMar 8, 1983
Control system for internal combustion engines, provided with an exhaust gas recirculation control having a fail safe function
HONDA MOTOR CO LTD23 citations82
US7324891B2Jan 29, 2008
Engine control method and device
HONDA MOTOR CO LTD7 citations74
US7100571B1Sep 5, 2006
Method and apparatus for controlling engine
HONDA MOTOR CO LTD7 citations74
US4957075ASep 18, 1990
Apparatus for controlling inlet of exhaust valves
HONDA MOTOR CO LTD18 citations74
US4688532AAug 25, 1987
Intake system for direct fuel injection diesel engine
HONDA MOTOR CO LTD8 citations74
US4621600ANov 11, 1986
Fuel supply control method for internal combustion engines at fuel cut operation
HONDA MOTOR CO LTD15 citations74
US4604703AAug 5, 1986
Apparatus for controlling the operating state of an internal combustion engine
HONDA MOTOR CO LTD10 citations74
US4557242ADec 10, 1985
Air/fuel ratio feedback control system for an internal combustion engine of a vehicle
HONDA MOTOR CO LTD11 citations74
US4527521AJul 9, 1985
Method for controlling fuel supply to an internal combustion engine after termination of fuel cut
HONDA MOTOR CO LTD12 citations74
US4513722AApr 30, 1985
Method for controlling fuel supply to internal combustion engines at acceleration in cold conditions
HONDA MOTOR CO LTD8 citations74
US4509485AApr 9, 1985
Method and device for back pressure-dependent correction of air/fuel ratio for internal combustion engines
HONDA MOTOR CO LTD9 citations74
US4509489AApr 9, 1985
Fuel supply control method for an internal combustion engine, adapted to improve operational stability, etc., of the engine during operation in particular operating conditions
HONDA MOTOR CO LTD18 citations74
US4508088AApr 2, 1985
Method for controlling fuel supply to an internal combustion engine after termination of fuel cut
HONDA MOTOR CO LTD14 citations74
US4508083AApr 2, 1985
Electronic fuel injection control system for multi-cylinder internal combustion engines
HONDA MOTOR CO LTD10 citations74
US4506641AMar 26, 1985
Idling rpm feedback control method for internal combustion engines
HONDA MOTOR CO LTD9 citations74
US4503829AMar 12, 1985
Fuel supply control method for internal combustion engines under high load conditions
HONDA MOTOR CO LTD15 citations74
US4503479AMar 5, 1985
Electronic circuit for vehicles, having a fail safe function for abnormality in supply voltage
HONDA MOTOR CO LTD17 citations74
US4498445AFeb 12, 1985
Air/fuel ratio feedback control system adapted to obtain stable engine operation under particular engine operating conditions
HONDA MOTOR CO LTD15 citations74
US4495925AJan 29, 1985
Device for intake air temperature-dependent correction of air/fuel ratio for internal combustion engines
HONDA MOTOR CO LTD19 citations74
US4491107AJan 1, 1985
Idling rpm feedback control method for internal combustion engines
HONDA MOTOR CO LTD11 citations74
US4483308ANov 20, 1984
Air intake side secondary air supply system for an internal combustion engine equipped with exhaust gas recirculation control system
HONDA MOTOR CO LTD10 citations74
US4481929ANov 13, 1984
Method and device for atmospheric pressure-dependent correction of air/fuel ratio for internal combustion engines
HONDA MOTOR CO LTD17 citations74
US4479471AOct 30, 1984
Method for controlling engine idling rpm immediately after the start of the engine
HONDA MOTOR CO LTD10 citations74
US4466411AAug 21, 1984
Air/fuel ratio feedback control method for internal combustion engines
HONDA MOTOR CO LTD13 citations74
US4465051AAug 14, 1984
Device for intake air temperature-dependent correction of air/fuel ratio for internal combustion engines
HONDA MOTOR CO LTD16 citations74
US4461263AJul 24, 1984
Electronic fuel injection control system for internal combustion engines having exhaust gas recirculation control devices
HONDA MOTOR CO LTD18 citations74
US4454852AJun 19, 1984
Electronic fuel injection control system for internal combustion engines having exhaust gas recirculation control devices
HONDA MOTOR CO LTD10 citations74
US4454853AJun 19, 1984
Electronic fuel injection control system for internal combustion engines having exhaust gas recirculation devices
HONDA MOTOR CO LTD14 citations74
US4448177AMay 15, 1984
Exhaust gas recirculation control system having variable valve lift correcting speed for exhaust gas recirculation valve
HONDA MOTOR CO LTD17 citations74
US4445482AMay 1, 1984
Air/fuel ratio feedback control system adapted to obtain stable engine operation under particular engine operating conditions
HONDA MOTOR CO LTD9 citations74
US4438744AMar 27, 1984
Idling rpm feedback control method for internal combustion engines
HONDA MOTOR CO LTD15 citations74
Showing the top 50 of 87 patents by PatentIndex Score.