Inventor
OHUCHI HIROFUMI
JP59 patents
Patents
50 patentsUS6494173B2Dec 17, 2002
Valve timing control system for internal combustion engine
MITSUBISHI ELECTRIC CORP22 citations93
US6196173B1Mar 6, 2001
Valve timing control system for internal combustion engine
MITSUBISHI ELECTRIC CORP49 citations93
US6176227B1Jan 23, 2001
Control system for cylinder injection type internal combustion engine with exhaust gas recirculation feedback control
MITSUBISHI ELECTRIC CORP27 citations93
US5947077ASep 7, 1999
Control device for cylinder injection internal-combustion engine
MITSUBISHI ELECTRIC CORP34 citations93
US5794585AAug 18, 1998
Cylinder injection fuel control device for an internal-combustion engine
MITSUBISHI ELECTRIC CORP32 citations93
US5640846AJun 24, 1997
Dual-sensor type air-fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same
MITSUBISHI ELECTRIC CORP28 citations93
US5591905AJan 7, 1997
Deterioration detecting apparatus for catalytic converter
MITSUBISHI ELECTRIC CORP24 citations93
US5503131AApr 2, 1996
Stepping motor driving apparatus and exhaust gas recirculation control system using the same
MITSUBISHI ELECTRIC CORP25 citations93
US5488938AFeb 6, 1996
Fault detecting apparatus for exhaust gas recirculation control system of internal combustion engine
MITSUBISHI ELECTRIC CORP55 citations93
US5438827AAug 8, 1995
Dual-sensor type air-fuel ratio control system for internal combustion engine and catalytic diagnosis apparatus for the same
MITSUBISHI ELECTRIC CORP24 citations93
US5426937AJun 27, 1995
Dual-sensor type air-fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same
MITSUBISHI ELECTRIC CORP24 citations93
US5363647ANov 15, 1994
Dual-sensor type air fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same
MITSUBISHI ELECTRIC CORP24 citations93
US5327873AJul 12, 1994
Malfunction sensing apparatus for a fuel vapor control system
MITSUBISHI ELECTRIC CORP34 citations93
US5257610ANov 2, 1993
Troubleshooting system for exhaust gas recirculation controller
MITSUBISHI ELECTRIC CORP42 citations93
US5154156AOct 13, 1992
Failure diagnosis device of an exhaust gas recirculation control device
MITSUBISHI ELECTRIC CORP22 citations93
US5152273AOct 6, 1992
Exhaust gas recirculation control device and its failure diagnosis device
MITSUBISHI ELECTRIC CORP31 citations93
US6532940B1Mar 18, 2003
Fuel injection control system for cylinder injection type internal combustion engine
MITSUBISHI ELECTRIC CORP35 citations92
US6513488B2Feb 4, 2003
Fuel injection control apparatus for direct injection type internal combustion engine
MITSUBISHI ELECTRIC CORP25 citations92
US6513322B2Feb 4, 2003
Device for controlling the rise of the catalyst temperature in an internal combustion engine
MITSUBISHI ELECTRIC CORP21 citations92
US6212884B1Apr 10, 2001
Device for controlling the rise of the catalyst temperature in an internal combustion engine
MITSUBISHI ELECTRIC CORP28 citations92
US6076502AJun 20, 2000
Exhaust gas recirculation control system for internal combustion engines
MITSUBISHI ELECTRIC CORP26 citations92
US5519992AMay 28, 1996
Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same
MITSUBISHI ELECTRIC CORP37 citations92
US5517848AMay 21, 1996
Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same
MITSUBISHI ELECTRIC CORP32 citations92
US5501201AMar 26, 1996
Flow quantity valve controller and manufacturing method for flow quantity valve
MITSUBISHI ELECTRIC CORP36 citations92
US6345498B2Feb 12, 2002
Exhaust gas purifier for internal combustion engine
MITSUBISHI ELECTRIC CORP41 citations91
US6279537B1Aug 28, 2001
Air fuel ratio control apparatus for an internal combustion engine
MITSUBISHI ELECTRIC CORP27 citations91
US6170459B1Jan 9, 2001
Fuel injection control assembly for a cylinder-injected engine
MITSUBISHI ELECTRIC CORP27 citations91
US6073611AJun 13, 2000
Control apparatus for internal combustion engine
MITSUBISHI ELECTRIC CORP39 citations91
US6318152B1Nov 20, 2001
Fuel property judgement device for internal combustion engine
MITSUBISHI ELECTRIC CORP28 citations88
US6601115B1Jul 29, 2003
Communication protocol converter system and monitor device
MITSUBISHI ELECTRIC CORP15 citations84
US6454676B1Sep 24, 2002
Control system for internal combustion engine equipped with automatic transmission
MITSUBISHI ELECTRIC CORP19 citations84
US6446602B1Sep 10, 2002
Cylinder identifying system for internal combustion engine
MITSUBISHI ELECTRIC CORP17 citations84
US5560202AOct 1, 1996
Exhaust gas cleaner system for an internal combustion engine with catalytic converter supplied with secondary air
MITSUBISHI ELECTRIC CORP18 citations82
US5425234AJun 20, 1995
Dual-sensor type air-fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same
MITSUBISHI ELECTRIC CORP13 citations82
US6591184B2Jul 8, 2003
Cylinder identifying system for internal combustion engine
MITSUBISHI ELECTRIC CORP9 citations74
US6499450B2Dec 31, 2002
Valve timing control system for internal combustion engine
MITSUBISHI ELECTRIC CORP7 citations74
US6283074B1Sep 4, 2001
Valve timing control system for internal combustion engine
MITSUBISHI ELECTRIC CORP8 citations74
US6240894B1Jun 5, 2001
Control system for cylinder injection type internal combustion engine
MITSUBISHI ELECTRIC CORP8 citations74
US6227163B1May 8, 2001
Fuel injection control system for cylinder injection type internal combustion engine
MITSUBISHI ELECTRIC CORP10 citations74
US6213067B1Apr 10, 2001
Control device for internal combustion engine
MITSUBISHI ELECTRIC CORP14 citations74
US6092505AJul 25, 2000
Engine controlling apparatus for an automotive engine
MITSUBISHI ELECTRIC CORP9 citations74
US6016794AJan 25, 2000
Fuel injection control apparatus for internal combustion engine
MITSUBISHI ELECTRIC CORP9 citations74
US5459999AOct 24, 1995
Exhaust gas cleaner system for an internal combustion engine with catalytic converter supplied with secondary air
MITSUBISHI ELECTRIC CORP15 citations74
US5417099AMay 23, 1995
Air-fuel ratio sensor trouble detecting apparatus
MITSUBISHI ELECTRIC CORP16 citations74
US5257534ANov 2, 1993
Fault diagnosis device for an exhaust gas recycle control unit
MITSUBISHI ELECTRIC CORP10 citations74
US5251599AOct 12, 1993
Internal combustion engine control device having exhaust gas recycle system
MITSUBISHI ELECTRIC CORP13 citations74
US5056483AOct 15, 1991
Engine speed control apparatus
MITSUBISHI ELECTRIC CORP12 citations74
US5054446AOct 8, 1991
Idle revolution speed control apparatus for an internal combustion engine
MITSUBISHI ELECTRIC CORP17 citations74
US5024196AJun 18, 1991
Idle speed adjusting system for internal combustion engine
MITSUBISHI ELECTRIC CORP9 citations74
US4996964AMar 5, 1991
Backup apparatus for ignition and fuel system
MITSUBISHI ELECTRIC CORP7 citations74
Showing the top 50 of 59 patents by PatentIndex Score.