Inventor
YAEGASHI TAKEHISA
JP28 patents
Patents
28 patentsUS6345496B1Feb 12, 2002
Method and device for purifying exhaust gas of an engine
TOYOTA MOTOR CO LTD158 citations99
US6119452ASep 19, 2000
Device for purifying exhaust gas of internal combustion engine
TOYOTA MOTOR CO LTD91 citations98
US6047542AApr 11, 2000
Method and device for purifying exhaust gas of engine
TOYOTA MOTOR CO LTD148 citations98
US5964088AOct 12, 1999
Device for purifying exhaust gas of engine
TOYOTA MOTOR CO LTD114 citations98
US5746052AMay 5, 1998
Exhaust gas purification device for an engine
TOYOTA MOTOR CO LTD132 citations98
US6133185AOct 17, 2000
Exhaust gas purifying catalyst
TOYOTA MOTOR CO LTD67 citations96
US5782087AJul 21, 1998
Device for purifying exhaust gas of an engine
TOYOTA MOTOR CO LTD70 citations96
US5271906ADec 21, 1993
Exhaust emission control apparatus using catalytic converter with hydrocarbon absorbent
TOYOTA MOTOR CO LTD66 citations95
US4155332AMay 22, 1979
Electronic fuel injection system in an internal combustion engine
TOYOTA MOTOR CO LTD49 citations92
US5232973AAug 3, 1993
High-temperature gasket
TOYOTA MOTOR CO LTD19 citations82
US4474081AOct 2, 1984
Electronic method and apparatus for controlling an automatic transmission
TOYOTA MOTOR CO LTD22 citations82
US4413601ANov 8, 1983
Method for computing a compensation value for an engine having electronic fuel injection control
TOYOTA MOTOR CO LTD25 citations82
US4389996AJun 28, 1983
Method and apparatus for electronically controlling fuel injection
TOYOTA MOTOR CO LTD24 citations82
US4102127AJul 25, 1978
Catalyzer heating device for an internal combustion engine
TOYOTA MOTOR CO LTD21 citations78
US4748950AJun 7, 1988
Internal combustion engine siamese port type intake system construction with internal ridge structure partially separating helical port and bypass passage
TOYOTA MOTOR CO LTD8 citations74
US4572029AFeb 25, 1986
Speed change control method and device of automatic transmission for vehicle
TOYOTA MOTOR CO LTD14 citations74
US4491921AJan 1, 1985
Method and apparatus for controlling the air fuel ratio in an internal combustion engine
TOYOTA MOTOR CO LTD18 citations74
US4459669AJul 10, 1984
Method and apparatus for controlling the air-fuel ratio in an internal combustion engine
TOYOTA MOTOR CO LTD20 citations74
US4458319AJul 3, 1984
Method and apparatus for controlling the air-fuel ratio in an internal combustion engine
TOYOTA MOTOR CO LTD14 citations74
US4119512AOct 10, 1978
Air-fuel ratio detecting apparatus
TOYOTA MOTOR CO LTD9 citations74
US4083183AApr 11, 1978
Internal combustion engine for a vehicle
TOYOTA MOTOR CO LTD9 citations73
US5832889ANov 10, 1998
Valve driving apparatus
TOYOTA MOTOR CO LTD12 citations72
US4389995AJun 28, 1983
Electronically controlled fuel injection method and apparatus
TOYOTA MOTOR CO LTD8 citations72
US4450528AMay 22, 1984
Method and apparatus for controlling the operation of an internal combustion engine
TOYOTA MOTOR CO LTD12 citations71
US4140611AFeb 20, 1979
Oxygen sensor
TOYOTA MOTOR CO LTD17 citations69
US4700681AOct 20, 1987
Fuel injection system for an internal combustion engine
TOYOTA MOTOR CO LTD9 citations68
US4450816AMay 29, 1984
Method and apparatus for controlling the fuel injection amount of an internal combustion engine
TOYOTA MOTOR CO LTD6 citations61
US4762026AAug 9, 1988
Speed change control method and device of automatic transmission for vehicle
TOYOTA MOTOR CO LTD1 citations52