Inventor
FURUYA JUNICHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “FURUYA JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISIA JECS CORP
13 patentsUS6138644AOct 31, 2000
Apparatus and method for processing fuel vapor in internal combustion engine
UNISIA JECS CORP64 citations96
US5979418ANov 9, 1999
Apparatus for processing fuel vapor in internal combustion engine equipped with supercharger
UNISIA JECS CORP57 citations96
US5483940AJan 16, 1996
Apparatus and a method for controlling fuel supply to engine
UNISIA JECS CORP63 citations94
US5979397ANov 9, 1999
Control apparatus for direct injection spark ignition type internal combustion engine
UNISIA JECS CORP34 citations92
US5638800AJun 17, 1997
Method and apparatus for controlling air-fuel ratio learning of an internal combustion engine
UNISIA JECS CORP25 citations92
US5492107AFeb 20, 1996
Air fuel ratio control apparatus for an internal combustion engine
UNISIA JECS CORP21 citations92
US5353774AOct 11, 1994
Damage preventing method and device for sensor element of air/fuel ratio sensor with heater
UNISIA JECS CORP19 citations82
US6253744B1Jul 3, 2001
Method and apparatus for controlling fuel vapor, method and apparatus for diagnosing fuel vapor control apparatus, and method and apparatus for controlling air-fuel ratio
UNISIA JECS CORP12 citations74
US5394856AMar 7, 1995
System for and method of controlling air-fuel ratio in internal combustion engine
UNISIA JECS CORP7 citations74
US5720256AFeb 24, 1998
Apparatus and method for controlling idle rotation speed learning of an internal combustion engine
UNISIA JECS CORP9 citations72
US6412477B2Jul 2, 2002
Method and apparatus for controlling fuel vapor, method and apparatus for diagnosing fuel vapor control apparatus and method and apparatus for controlling air-fuel ratio
UNISIA JECS CORP2 citations63
US6273063B1Aug 14, 2001
Apparatus and method for controlling idle rotation speed of an internal combustion engine
UNISIA JECS CORP4 citations63
US6622699B2Sep 23, 2003
Control apparatus and control method of negative pressure actuator
UNISIA JECS CORP0 citations52
JAPAN ELECTRONIC CONTROL SYST
11 patentsUS5251437AOct 12, 1993
Method and system for controlling air/fuel ratio for internal combustion engine
JAPAN ELECTRONIC CONTROL SYST21 citations92
US5235957AAug 17, 1993
Diagnosing device and diagnosing method in air/fuel ratio control device for internal combustion engine
JAPAN ELECTRONIC CONTROL SYST21 citations92
US5193339AMar 16, 1993
Method of and an apparatus for controlling the air-fuel ratio of an internal combustion engine
JAPAN ELECTRONIC CONTROL SYST21 citations92
US5191789AMar 9, 1993
Method and system for detecting intake air flow rate in internal combustion engine coupled with supercharger
JAPAN ELECTRONIC CONTROL SYST38 citations92
US5168954ADec 8, 1992
Apparatus for controllably sucking intake air into each cylinder of internal combustion engine and method for controlling intake air quantity thereof with improved responsive characteristic
JAPAN ELECTRONIC CONTROL SYST33 citations92
US5168700ADec 8, 1992
Method of and an apparatus for controlling the air-fuel ratio of an internal combustion engine
JAPAN ELECTRONIC CONTROL SYST24 citations92
US5103655AApr 14, 1992
Diagnostic arrangement for automotive engine EGR system
JAPAN ELECTRONIC CONTROL SYST26 citations91
US5159913ANov 3, 1992
Method and system for controlling fuel supply for internal combustion engine coupled with supercharger
JAPAN ELECTRONIC CONTROL SYST14 citations74
US5031450AJul 16, 1991
Apparatus for detecting intake pressure in internal combustion engine
JAPAN ELECTRONIC CONTROL SYST17 citations74
US5211148AMay 18, 1993
Method of and an apparatus for controlling assist air in an internal combustion engine
JAPAN ELECTRONIC CONTROL SYST10 citations68
US4903671AFeb 27, 1990
Air/fuel ratio control system for fuel injection internal combustion engine with improved acceleration characteristics after deceleration
JAPAN ELECTRONIC CONTROL SYST5 citations63
HITACHI LTD
6 patentsUS7043350B2May 9, 2006
Fuel injection control apparatus for internal combustion engine and method thereof, and fuel injection valve
HITACHI LTD32 citations93
US6895912B2May 24, 2005
Variable valve control apparatus for engine and method thereof
HITACHI LTD22 citations92
US7472690B2Jan 6, 2009
Fuel supply apparatus for engine and control method of same
HITACHI LTD31 citations91
US7520261B2Apr 21, 2009
Apparatus for and method of controlling intake operation of an internal combustion engine
HITACHI LTD10 citations84
US7412968B2Aug 19, 2008
Fuel supply apparatus for engine and control method of same apparatus
HITACHI LTD17 citations82
US7565894B2Jul 28, 2009
Fuel injection apparatus for and method of internal combustion engine, and fuel injection valve
HITACHI LTD5 citations57