Inventor
HIRAKU KEIZO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “HIRAKU KEIZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
14 patentsUS6732707B2May 11, 2004
Control system and method for internal combustion engine
TOYOTA MOTOR CO LTD28 citations92
US6834627B2Dec 28, 2004
Intake air amount control apparatus and method of internal combustion engine
TOYOTA MOTOR CO LTD26 citations91
US7610898B2Nov 3, 2009
Apparatus and method for controlling idle speed of internal combustion engine
TOYOTA MOTOR CO LTD8 citations84
US6848422B2Feb 1, 2005
Control system and method for internal combustion engine with variable valve mechanism
TOYOTA MOTOR CO LTD18 citations83
US6651602B2Nov 25, 2003
Heater control apparatus and heater control method
TOYOTA MOTOR CO LTD16 citations83
US6691675B2Feb 17, 2004
Warm-up control apparatus and warm-up control method for internal combustion engine
TOYOTA MOTOR CO LTD12 citations74
US7121260B2Oct 17, 2006
Ignition timing control apparatus for engine
TOYOTA MOTOR CO LTD8 citations73
US6989978B2Jan 24, 2006
Power circuit device for vehicles and control method thereof
TOYOTA MOTOR CO LTD9 citations73
US6712038B2Mar 30, 2004
Intake device for an internal combustion engine and method thereof
TOYOTA MOTOR CO LTD9 citations73
US7363889B2Apr 29, 2008
Control device for multicylinder internal combustion engine
TOYOTA MOTOR CO LTD4 citations62
US7032550B2Apr 25, 2006
Inter-cylinder variation detection device and inter-bank variation detection device of internal combustion engine
TOYOTA MOTOR CO LTD4 citations62
US6792929B2Sep 21, 2004
Method for detecting failure of injection fuel heaters of internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US6501050B2Dec 31, 2002
Fuel heating control method and system
TOYOTA MOTOR CO LTD0 citations51
US7464693B2Dec 16, 2008
Internal combustion engine including plural cylinders, control apparatus and control method for internal combustion engine including plural cylinders
TOYOTA MOTOR CO LTD0 citations41