Inventor
HOSOYA HAJIME
JP37 patents
⚠️ This page may combine multiple inventors who share the name “HOSOYA HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISIA JECS CORP
15 patentsUS5992373ANov 30, 1999
Apparatus and method for controlling fuel injection of direct injection gasoline internal combustion engine
UNISIA JECS CORP20 citations93
US6453229B1Sep 17, 2002
Air-fuel ratio control device for internal combustion engine and method thereof
UNISIA JECS CORP32 citations92
US5970950AOct 26, 1999
Control method and control apparatus of direct injection gasoline engine
UNISIA JECS CORP22 citations92
US5806497ASep 15, 1998
Method of and apparatus for controlling fuel injection of internal combustion engine
UNISIA JECS CORP23 citations92
US6708681B2Mar 23, 2004
Method and device for feedback controlling air-fuel ratio of internal combustion engine
UNISIA JECS CORP17 citations84
US6574544B1Jun 3, 2003
Apparatus and method of valve timing control for internal combustion engine
UNISIA JECS CORP13 citations84
US6712054B2Mar 30, 2004
Device and method for measuring element temperature of air-fuel ratio sensor, and device and method for controlling heater of air-fuel ratio sensor
UNISIA JECS CORP9 citations74
US6450158B2Sep 17, 2002
Air-fuel ratio feedback control apparatus of internal combustion engine and method thereof
UNISIA JECS CORP12 citations74
US5743132AApr 28, 1998
Throttle valve switch unit
UNISIA JECS CORP9 citations74
US5614667AMar 25, 1997
Method and apparatus for controlling throttle valve contamination learning
UNISIA JECS CORP11 citations74
US5590633AJan 7, 1997
Fuel injection control system for engine
UNISIA JECS CORP7 citations74
US6250282B1Jun 26, 2001
Idle rotation speed learning control method and apparatus of an electronically controlled throttle type internal combustion engine
UNISIA JECS CORP9 citations73
US6615778B2Sep 9, 2003
Apparatus and method for diagnosing variable valve timing apparatus
UNISIA JECS CORP10 citations71
US5735244AApr 7, 1998
Engine control apparatus
UNISIA JECS CORP6 citations63
US5679892AOct 21, 1997
Temperature-sensitive flow amount detection apparatus for internal combustion engine
UNISIA JECS CORP2 citations63
HITACHI LTD
15 patentsUS7017567B2Mar 28, 2006
Device and method for measuring element temperature of air-fuel ratio sensor, and device and method for controlling heater of air-fuel ratio sensor
HITACHI LTD14 citations84
US6965825B2Nov 15, 2005
Control apparatus for vehicle and method thereof
HITACHI LTD16 citations84
US6907775B2Jun 21, 2005
Diagnosis apparatus and method of fuel pump for internal combustion engine
HITACHI LTD13 citations84
US7121137B2Oct 17, 2006
Diagnosis apparatus for air transfer apparatus and method thereof
HITACHI LTD9 citations74
US6966214B2Nov 22, 2005
Leakage diagnosis apparatus for fuel vapor purge system and method thereof
HITACHI LTD8 citations74
US7124749B2Oct 24, 2006
Air transfer apparatus and control method of air transfer apparatus
HITACHI LTD8 citations73
US7268301B2Sep 11, 2007
Lid of fuel tank
HITACHI LTD4 citations63
US7219535B2May 22, 2007
Leakage diagnosis apparatus for fuel vapor purge system and method thereof
HITACHI LTD2 citations63
US7146967B2Dec 12, 2006
Fuel supply apparatus for engine and method thereof
HITACHI LTD6 citations63
US7117729B2Oct 10, 2006
Diagnosis apparatus for fuel vapor purge system and method thereof
HITACHI LTD6 citations63
US6978667B2Dec 27, 2005
Intake air amount detecting apparatus for engine and method thereof
HITACHI LTD3 citations63
US7096858B2Aug 29, 2006
Air pump for internal combustion engine
HITACHI LTD4 citations62
US7103469B2Sep 5, 2006
Control apparatus for vehicle and method thereof
HITACHI LTD0 citations52
US7216028B2May 8, 2007
Control apparatus and control method for vehicle engine system
HITACHI LTD0 citations50
US7136741B2Nov 14, 2006
Apparatus and method for controlling vehicle
HITACHI LTD0 citations38
HITACHI UNISIA AUTOMOTIVE LTD
4 patentsUS6854262B2Feb 15, 2005
Air-fuel ratio control apparatus of internal combustion engine and method thereof
HITACHI UNISIA AUTOMOTIVE LTD11 citations73
US6785601B2Aug 31, 2004
Air-fuel ratio control apparatus of internal combustion engine and method thereof
HITACHI UNISIA AUTOMOTIVE LTD12 citations73
US6860245B2Mar 1, 2005
Control apparatus of variable valve timing mechanism and method thereof
HITACHI UNISIA AUTOMOTIVE LTD3 citations63
US6843235B2Jan 18, 2005
Fuel supply unit
HITACHI UNISIA AUTOMOTIVE LTD5 citations62