Inventor
SAKURAI KAZUHIRO
JP49 patents
⚠️ This page may combine multiple inventors who share the name “SAKURAI KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
30 patentsUS6321530B1Nov 27, 2001
Exhaust gas purifier and method of purifying exhaust gas for a hybrid vehicle
TOYOTA MOTOR CO LTD95 citations98
US6997142B2Feb 14, 2006
Internal combustion engine and method of operating internal combustion engine
TOYOTA MOTOR CO LTD56 citations96
US6397586B1Jun 4, 2002
Emission control apparatus and method of internal combustion engine
TOYOTA MOTOR CO LTD58 citations96
US5966931AOct 19, 1999
Power supply control system for an electrically heated catalytic converter
TOYOTA MOTOR CO LTD68 citations96
US5582805ADec 10, 1996
Electrically heated catalytic apparatus
TOYOTA MOTOR CO LTD69 citations95
US7530335B2May 12, 2009
Internal combustion engine and starting control device of internal combustion engine
TOYOTA MOTOR CO LTD40 citations93
US7159541B2Jan 9, 2007
Method and apparatus for determining state of reformer
TOYOTA MOTOR CO LTD46 citations93
US6797517B1Sep 28, 2004
Catalyst degradation detecting device and method thereof in internal combustion engine
TOYOTA MOTOR CO LTD36 citations93
US6370872B1Apr 16, 2002
Exhaust gas purifier for internal combustion engine
TOYOTA MOTOR CO LTD30 citations93
US6321533B1Nov 27, 2001
Exhaust passage switching unit and method for internal combustion engine
TOYOTA MOTOR CO LTD46 citations93
US5744104AApr 28, 1998
Electrically heated catalytic converter for an engine
TOYOTA MOTOR CO LTD37 citations92
US5353636AOct 11, 1994
Device for determining misfiring of cylinders in multi-cylinder engines
TOYOTA MOTOR CO LTD33 citations91
US6128898AOct 10, 2000
Exhaust gas purifying apparatus for internal combustion engine
TOYOTA MOTOR CO LTD27 citations90
US6060699AMay 9, 2000
Electrode structure for high temperature heated body
TOYOTA MOTOR CO LTD17 citations84
US4700669AOct 20, 1987
Intake device of an internal combustion engine
TOYOTA MOTOR CO LTD22 citations82
US5582803ADec 10, 1996
Electrically heated catalytic apparatus
TOYOTA MOTOR CO LTD18 citations81
US7416572B2Aug 26, 2008
Apparatus and method for determining reforming catalyst degradation
TOYOTA MOTOR CO LTD7 citations74
US7028655B2Apr 18, 2006
Internal combustion engine and method of controlling the same
TOYOTA MOTOR CO LTD8 citations74
US6147023ANov 14, 2000
Hydrocarbon-adsorbent
TOYOTA MOTOR CO LTD12 citations74
US5851496ADec 22, 1998
Catalytic device for cleaning exhaust gases of an internal combustion engine
TOYOTA MOTOR CO LTD10 citations74
US5743225AApr 28, 1998
Valve system for engine
TOYOTA MOTOR CO LTD7 citations74
US4632082ADec 30, 1986
Device for driving a rotary valve
TOYOTA MOTOR CO LTD11 citations74
US4385491AMay 31, 1983
Engine mixture control system controlling primary and secondary air-fuel mixtures
TOYOTA MOTOR CO LTD16 citations74
US4925091AMay 15, 1990
Vehicle engine warming and passenger compartment heating device
TOYOTA MOTOR CO LTD10 citations73
US5866077AFeb 2, 1999
Structure for supporting honeycomb unit of electrically-heated catalyst apparatus
TOYOTA MOTOR CO LTD13 citations72
US4535815AAug 20, 1985
Electromagnetic solenoid type flow control valve
TOYOTA MOTOR CO LTD15 citations71
US5372112ADec 13, 1994
Device for controlling a multi-cylinder engine
TOYOTA MOTOR CO LTD16 citations70
US7150769B2Dec 19, 2006
Fuel reforming apparatus and method
TOYOTA MOTOR CO LTD2 citations57
US7753971B2Jul 13, 2010
Fuel reforming apparatus
TOYOTA MOTOR CO LTD0 citations52
US7387651B2Jun 17, 2008
Fuel reforming device and fuel reforming method
TOYOTA MOTOR CO LTD0 citations52
NIPPON SOKEN
13 patentsUS4345228AAug 17, 1982
Rotary actuator
NIPPON SOKEN34 citations93
US4546338AOct 8, 1985
Rotary driving apparatus
NIPPON SOKEN44 citations92
US4496134AJan 29, 1985
Rotary solenoid actuator
NIPPON SOKEN21 citations82
US4361164ANov 30, 1982
Method of driving solenoid-operated proportional control valve
NIPPON SOKEN22 citations82
US4345737AAug 24, 1982
Linear solenoid valve actuation device
NIPPON SOKEN24 citations82
US4428558AJan 31, 1984
Proportional solenoid
NIPPON SOKEN21 citations80
US4647009AMar 3, 1987
Electromagnetic rotary driving device
NIPPON SOKEN19 citations74
US4561629ADec 31, 1985
Solenoid valve
NIPPON SOKEN17 citations74
US4491815AJan 1, 1985
Rotary actuator
NIPPON SOKEN14 citations74
US4474149AOct 2, 1984
Flow control valve apparatus
NIPPON SOKEN11 citations74
US4442997AApr 17, 1984
Flow control valve apparatus
NIPPON SOKEN10 citations74
US4533847AAug 6, 1985
Rotary drive apparatus with permanent magnets on the rotor and stator
NIPPON SOKEN3 citations63
US4363210ADec 14, 1982
Exhaust gas purifying system for internal combustion engines
NIPPON SOKEN2 citations63