Inventor
NISHIYAMA RYOJI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “NISHIYAMA RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
38 patentsUS6450287B1Sep 17, 2002
Electric power steering controller and control method thereof
MITSUBISHI ELECTRIC CORP87 citations98
US5653106AAug 5, 1997
Exothermic heat generating apparatus
MITSUBISHI ELECTRIC CORP68 citations95
US6459971B1Oct 1, 2002
Electric power steering control system and method for controlling the electric power steering control system
MITSUBISHI ELECTRIC CORP37 citations93
US6445987B1Sep 3, 2002
Electric power steering controller and control method
MITSUBISHI ELECTRIC CORP40 citations93
US5359975ANov 1, 1994
Control system for internal combustion engine
MITSUBISHI ELECTRIC CORP38 citations93
US5245969ASep 21, 1993
Engine control device and control method thereof
MITSUBISHI ELECTRIC CORP27 citations93
US4765298AAug 23, 1988
Air-fuel ratio control system for internal combustion engines
MITSUBISHI ELECTRIC CORP27 citations93
US4753204AJun 28, 1988
Air-fuel ratio control system for internal combustion engines
MITSUBISHI ELECTRIC CORP38 citations93
US7471003B2Dec 30, 2008
Vehicular power control apparatus
MITSUBISHI ELECTRIC CORP36 citations92
US6199540B1Mar 13, 2001
Fuel control system for internal combustion engine
MITSUBISHI ELECTRIC CORP20 citations92
US6076502AJun 20, 2000
Exhaust gas recirculation control system for internal combustion engines
MITSUBISHI ELECTRIC CORP26 citations92
US6006727ADec 28, 1999
Fuel control system for internal combustion engine
MITSUBISHI ELECTRIC CORP29 citations92
US5675968AOct 14, 1997
Secondary air control apparatus for exhaust gas purifier
MITSUBISHI ELECTRIC CORP38 citations92
US5474045ADec 12, 1995
Engine control device
MITSUBISHI ELECTRIC CORP23 citations92
US5337240AAug 9, 1994
Misfiring sensing apparatus
MITSUBISHI ELECTRIC CORP33 citations92
US5038737AAug 13, 1991
Control apparatus for an internal combustion engine
MITSUBISHI ELECTRIC CORP31 citations92
US4996960AMar 5, 1991
Air-fuel ratio control system for an internal combustion engine
MITSUBISHI ELECTRIC CORP31 citations92
US6878354B1Apr 12, 2005
Catalyst and process for exhaust purification
MITSUBISHI ELECTRIC CORP28 citations90
US6496762B2Dec 17, 2002
Electric power steering controller and method of controlling same
MITSUBISHI ELECTRIC CORP45 citations90
US5403245AApr 4, 1995
Control device for vehicular engine having an automatic transmission and its control method
MITSUBISHI ELECTRIC CORP31 citations90
US7538426B2May 26, 2009
Cooling system of power semiconductor module
MITSUBISHI ELECTRIC CORP16 citations83
US6227163B1May 8, 2001
Fuel injection control system for cylinder injection type internal combustion engine
MITSUBISHI ELECTRIC CORP10 citations74
US5983862ANov 16, 1999
Combustion control system for internal combustion engine
MITSUBISHI ELECTRIC CORP12 citations74
US5148369ASep 15, 1992
Air-fuel control apparatus for an internal combustion engine
MITSUBISHI ELECTRIC CORP7 citations74
US5107814AApr 28, 1992
Fuel control apparatus for an internal combustion engine
MITSUBISHI ELECTRIC CORP11 citations74
US5027779AJul 2, 1991
Fuel injection control apparatus for an internal combustion engine
MITSUBISHI ELECTRIC CORP10 citations74
US4895123AJan 23, 1990
Apparatus for controlling air-fuel ratio of internal combustion engine
MITSUBISHI ELECTRIC CORP9 citations74
US4889098ADec 26, 1989
Air-fuel ratio detecting apparatus for an internal combustion engine equipped with a heater controller
MITSUBISHI ELECTRIC CORP16 citations74
US4886028ADec 12, 1989
Apparatus for controlling air-fuel ratio of internal combustion engine
MITSUBISHI ELECTRIC CORP16 citations74
US4877002AOct 31, 1989
Electronic control device for internal-combustion engines
MITSUBISHI ELECTRIC CORP7 citations74
US4911130AMar 27, 1990
Air-fuel ratio controller of internal combustion engine
MITSUBISHI ELECTRIC CORP9 citations73
US4984552AJan 15, 1991
Fuel injection device for an internal combustion engine
MITSUBISHI ELECTRIC CORP14 citations72
US4909224AMar 20, 1990
Electronic controller for internal combustion engine
MITSUBISHI ELECTRIC CORP15 citations69
US4854285AAug 8, 1989
Electronic control circuit for internal-combustion engines
MITSUBISHI ELECTRIC CORP6 citations63
US4809664AMar 7, 1989
Fuel controlling system for internal combustion engine
MITSUBISHI ELECTRIC CORP6 citations63
US8031478B2Oct 4, 2011
Power conversion apparatus
MITSUBISHI ELECTRIC CORP2 citations62
US6109242AAug 29, 2000
Fuel control system for internal combustion engine
MITSUBISHI ELECTRIC CORP3 citations62
US4947819AAug 14, 1990
Air-fuel ratio controller of internal combustion engine
MITSUBISHI ELECTRIC CORP6 citations62