Inventor
DEMURA TAKAYUKI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “DEMURA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
23 patentsUS6318343B1Nov 20, 2001
Fuel pump control system for an internal combustion engine
TOYOTA MOTOR CO LTD75 citations96
US6450147B2Sep 17, 2002
Fuel pressure control apparatus of internal combustion engine
TOYOTA MOTOR CO LTD26 citations92
US5228286AJul 20, 1993
Air-fuel ratio control device of engine
TOYOTA MOTOR CO LTD41 citations92
US7856815B2Dec 28, 2010
Exhaust purification system for internal combustion engine
TOYOTA MOTOR CO LTD20 citations82
US4964271AOct 23, 1990
Air-fuel ratio feedback control system including at least downstream-side air-fuel ratio sensor
TOYOTA MOTOR CO LTD21 citations82
US7040284B2May 9, 2006
Internal combustion engine controller
TOYOTA MOTOR CO LTD7 citations74
US6283089B1Sep 4, 2001
Direct-injection internal combustion engine and method for controlling the engine
TOYOTA MOTOR CO LTD9 citations74
US5022225AJun 11, 1991
Air-fuel ratio feedback control system including at least downstream-side air fuel ratio sensor
TOYOTA MOTOR CO LTD12 citations74
US4391256AJul 5, 1983
Air-fuel ratio control apparatus
TOYOTA MOTOR CO LTD10 citations74
US6520148B2Feb 18, 2003
Throttle control apparatus and method for direct-fuel-injection-type internal combustion engine
TOYOTA MOTOR CO LTD8 citations73
US5577486ANov 26, 1996
Fuel-injection control apparatus for an engine
TOYOTA MOTOR CO LTD11 citations73
US4881368ANov 21, 1989
Double air-fuel ratio sensor system having improved exhaust emission characteristics
TOYOTA MOTOR CO LTD7 citations73
US7543444B2Jun 9, 2009
Air supply apparatus
TOYOTA MOTOR CO LTD7 citations70
US4364227ADec 21, 1982
Feedback control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD18 citations70
US8028517B2Oct 4, 2011
Exhaust gas purification device for an engine
TOYOTA MOTOR CO LTD2 citations63
US7813866B2Oct 12, 2010
Fuel injection control device of internal combustion engine
TOYOTA MOTOR CO LTD5 citations63
US5927256AJul 27, 1999
Flow control device of an engine
TOYOTA MOTOR CO LTD3 citations63
US7286924B2Oct 23, 2007
Knocking determining apparatus of internal combustion engine
TOYOTA MOTOR CO LTD2 citations62
US7159565B2Jan 9, 2007
Method of controlling ignition timing in internal combustion engine
TOYOTA MOTOR CO LTD4 citations62
US6923169B2Aug 2, 2005
Exhaust gas purifying apparatus of internal combustion engine and activation control method for the same
TOYOTA MOTOR CO LTD5 citations62
US6901906B2Jun 7, 2005
Apparatus and method for controlling air-fuel ratio in direct-injection internal combustion engine
TOYOTA MOTOR CO LTD6 citations62
US4811557AMar 14, 1989
Double air-fuel ratio sensor system having improved exhaust emission characteristics
TOYOTA MOTOR CO LTD2 citations62
US7343900B2Mar 18, 2008
Ignition timing controller of internal combustion engine
TOYOTA MOTOR CO LTD1 citations51
DEMURA TAKAYUKI
8 patentsUS8141533B2Mar 27, 2012
Control apparatus and method for internal combustion engine
DEMURA TAKAYUKI16 citations83
US8286418B2Oct 16, 2012
Exhaust gas control apparatus for internal combustion engine
DEMURA TAKAYUKI6 citations72
US8600647B2Dec 3, 2013
Air-fuel ratio control apparatus of a multi-cylinder internal combustion engine
DEMURA TAKAYUKI4 citations62
US8261533B2Sep 11, 2012
Exhaust purification apparatus of internal combustion engine
DEMURA TAKAYUKI3 citations62
US8443781B2May 21, 2013
Control apparatus and control method for internal combustion engine
DEMURA TAKAYUKI3 citations58
US8297041B2Oct 30, 2012
Exhaust gas purification apparatus for internal combustion engine
DEMURA TAKAYUKI1 citations52
US8468999B2Jun 25, 2013
Fuel injection control system of internal combustion engine
DEMURA TAKAYUKI1 citations51
US9850874B2Dec 26, 2017
Controller of internal combustion engine with supercharger
DEMURA TAKAYUKI1 citations44