Inventor
ATAGO TAKESHI
JP76 patents
Patents
50 patentsUS6045764AApr 4, 2000
Exhaust gas purifying method and catalyst used therefor
HITACHI LTD68 citations96
US5937637AAug 17, 1999
System for purifying exhaust gas for use in an automobile
HITACHI LTD45 citations96
US5857445AJan 12, 1999
Engine control device
HITACHI LTD57 citations96
US5727528AMar 17, 1998
Control apparatus and control method of internal combustion engine
HITACHI LTD71 citations96
US5388405AFeb 14, 1995
System for purifying exhaust gas for use in an automobile
HITACHI LTD55 citations96
US5256959AOct 26, 1993
Control system for generator mounted on vehicle
HITACHI LTD79 citations96
US4853720AAug 1, 1989
Condition adaptive-type control method for internal combustion engines
HITACHI LTD67 citations96
US6286478B1Sep 11, 2001
Control device for engine provided with electromagnetic driven intake valves and computer useable medium having computer readable program code for performing the control
HITACHI LTD67 citations95
US6135085AOct 24, 2000
Control apparatus for use in internal combustion engine
HITACHI LTD27 citations93
US5964200AOct 12, 1999
Control apparatus and control method for lean burn engine and engine system
HITACHI LTD22 citations93
US5791139AAug 11, 1998
Fuel injection control method for an internal-combustion engine provided with NOx reducing catalytic converter and fuel injection controller
HITACHI LTD24 citations93
US5058550AOct 22, 1991
Method for determining the control values of a multicylinder internal combustion engine and apparatus therefor
HITACHI LTD37 citations93
US5048495ASep 17, 1991
Electronic engine control method and system for internal combustion engines
HITACHI LTD24 citations93
US4996965AMar 5, 1991
Electronic engine control method and system for internal combustion engines
HITACHI LTD26 citations93
US4991102AFeb 5, 1991
Engine control system using learning control
HITACHI LTD30 citations93
US4852537AAug 1, 1989
Ignition timing control apparatus for internal combustion engine
HITACHI LTD29 citations93
US4799469AJan 24, 1989
Apparatus and method for controlling ignition timing for internal combustion engine
HITACHI LTD36 citations93
US4455978AJun 26, 1984
Engine rotation speed control system
HITACHI LTD30 citations93
USRE37434ENov 6, 2001
Condition adaptive-type control method for internal combustion engines
HITACHI LTD25 citations92
US5904128AMay 18, 1999
Cylinder fuel injection engine controller
HITACHI LTD20 citations92
US5577383ANov 26, 1996
Apparatus for controlling internal combustion engine
HITACHI LTD53 citations92
US5560201AOct 1, 1996
System for purifying exhaust gas for use in an automobile
HITACHI LTD23 citations92
US5503804AApr 2, 1996
Catalyzer control apparatus
HITACHI LTD23 citations92
US5390493AFeb 21, 1995
Apparatus for controlling the electric heating of catalyst
HITACHI LTD35 citations92
US5113833AMay 19, 1992
Method and controller for supplying fuel to cylinders of multicylinder internal combustion engine
HITACHI LTD35 citations92
US5069183ADec 3, 1991
Multi-cylinder engine control method and electronic control apparatus therefor
HITACHI LTD40 citations92
US4887573ADec 19, 1989
Ignition timing adjusting apparatus for internal combustion engine
HITACHI LTD25 citations92
US4887216ADec 12, 1989
Method of engine control timed to engine revolution
HITACHI LTD33 citations92
US4625919ADec 2, 1986
Electromagnetic fuel injection valve
HITACHI LTD31 citations92
US4517837AMay 21, 1985
Air flow rate measuring apparatus
HITACHI LTD42 citations92
US5605132AFeb 25, 1997
Control method and controller for engine
HITACHI LTD22 citations91
US5964199AOct 12, 1999
Direct injection system internal combustion engine controlling apparatus
HITACHI LTD54 citations87
US6155227ADec 5, 2000
Control apparatus for a direct injection engine and control method of the engine
HITACHI LTD16 citations84
US6125832AOct 3, 2000
Engine fuel supply apparatus
HITACHI LTD18 citations84
US4719885AJan 19, 1988
Electronic control fuel injection device
HITACHI LTD23 citations82
US4665877AMay 19, 1987
Automobile fuel feed apparatus
HITACHI LTD23 citations82
US6401454B2Jun 11, 2002
Engine control device
HITACHI LTD10 citations74
US6212880B1Apr 10, 2001
Engine control device
HITACHI LTD7 citations74
US6182647B1Feb 6, 2001
Fuel injection control apparatus and fuel injection method
HITACHI LTD9 citations74
US6123056ASep 26, 2000
Control apparatus and control method for lean burn engine and engine system
HITACHI LTD9 citations74
US6029630AFeb 29, 2000
Engine control device having an arrangement for limiting interrupt processing
HITACHI LTD10 citations74
US5687699ANov 18, 1997
Controller for multi-cylinder engine
HITACHI LTD10 citations74
US5447137ASep 5, 1995
Lean burn control method and device for internal combustion engine and fuel injection quantity control method and device including same
HITACHI LTD18 citations74
US5226393AJul 13, 1993
Altitude decision system and an engine operating parameter control system using the same
HITACHI LTD14 citations74
US4953532ASep 4, 1990
Ignition timing control unit for internal combustion engine
HITACHI LTD8 citations74
US4821698AApr 18, 1989
Fuel injection system
HITACHI LTD11 citations74
US4748951AJun 7, 1988
Apparatus for and method of controlling the idling of automobile engine
HITACHI LTD16 citations74
US4742807AMay 10, 1988
Electronic control device for internal combustion engine
HITACHI LTD10 citations74
US4732126AMar 22, 1988
Fuel control system for internal combustion engines
HITACHI LTD12 citations74
US4593663AJun 10, 1986
Control apparatus for an internal combustion engine having a carburetor
HITACHI LTD15 citations74
Showing the top 50 of 76 patents by PatentIndex Score.