Inventor
MAEGAWA YOSHINORI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “MAEGAWA YOSHINORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
19 patentsUS5711272AJan 27, 1998
Fuel property detection for an engine using engine speed
DENSO CORP59 citations96
US7721591B2May 25, 2010
Abnormality diagnosis apparatus for internal combustion engine
DENSO CORP24 citations92
US6915203B2Jul 5, 2005
Apparatus and method for diagnosis of vehicular system
DENSO CORP30 citations92
US6892712B2May 17, 2005
Leak check for fuel vapor purge system
DENSO CORP27 citations92
US6832509B2Dec 21, 2004
Fuel vapor control system with leak check
DENSO CORP22 citations92
US6807851B2Oct 26, 2004
Leak-check apparatus of fuel-vapor-processing system, fuel-temperature estimation apparatus and fuel-temperature-sensor diagnosis apparatus
DENSO CORP44 citations92
US6658346B2Dec 2, 2003
Misfire detection apparatus for internal combustion engine
DENSO CORP23 citations92
US6338329B2Jan 15, 2002
Blow-by gas passage abnormality detecting system for internal combustion engines
DENSO CORP16 citations92
US6247464B1Jun 19, 2001
Blow-by gas passage abnormality detecting system for internal combustion engines
DENSO CORP33 citations92
US6098603AAug 8, 2000
Blow-by gas passage abnormality detecting system for internal combustion engines
DENSO CORP29 citations92
US7387011B2Jun 17, 2008
Deterioration diagnosis system for exhaust gas sensor
DENSO CORP28 citations90
US7464698B2Dec 16, 2008
Air-fuel ratio control apparatus of internal combustion engine
DENSO CORP13 citations84
US6644274B2Nov 11, 2003
Apparatus for detecting a condition of burning in an internal combustion engine
DENSO CORP18 citations84
US10151274B2Dec 11, 2018
Abnormality detection device for internal combustion engine
DENSO CORP2 citations72
US9389142B2Jul 12, 2016
Leakage diagnosis apparatus for evaporated-gas purge system
DENSO CORP4 citations72
USRE41823EOct 19, 2010
Leak check for fuel vapor purge system
DENSO CORP4 citations62
USRE41660ESep 14, 2010
Fuel vapor control system with leak check
DENSO CORP3 citations62
US7316228B2Jan 8, 2008
Evaporated fuel treatment system for internal combustion engine
DENSO CORP4 citations62
US6854452B2Feb 15, 2005
Fuel vapor handling system
DENSO CORP3 citations62