Inventor
MIYAHARA HIDEKI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MIYAHARA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
11 patentsUS7409929B2Aug 12, 2008
Cooling apparatus for internal combustion engine
TOYOTA MOTOR CO LTD31 citations92
US7284530B2Oct 23, 2007
Leak detector for fuel vapor purge system
TOYOTA MOTOR CO LTD26 citations92
US6848298B2Feb 1, 2005
Apparatus and method for failure diagnosis of fuel vapor purge system
TOYOTA MOTOR CO LTD20 citations92
US6722348B2Apr 20, 2004
Abnormality detecting apparatus for fuel vapor treating system and method for controlling the apparatus
TOYOTA MOTOR CO LTD41 citations92
US7325447B2Feb 5, 2008
Cooling apparatus for internal combustion engine and diagnosis method for the cooling apparatus
TOYOTA MOTOR CO LTD10 citations83
US12339197B2Jun 24, 2025
Leak diagnosis device of fuel vapor treatment apparatus
TOYOTA MOTOR CO LTD1 citations63
US7484406B2Feb 3, 2009
Abnormality determining apparatus of fuel vapor processing system
TOYOTA MOTOR CO LTD6 citations62
US11719180B1Aug 8, 2023
Abnormality diagnosis apparatus for internal combustion engine
TOYOTA MOTOR CO LTD1 citations60
US12146456B2Nov 19, 2024
Control device for fuel vapor treatment apparatus
TOYOTA MOTOR CO LTD0 citations51
US9850833B2Dec 26, 2017
Diagnosis device for internal combustion engine, and diagnosis method for internal combustion engine
TOYOTA MOTOR CO LTD1 citations49
US11927153B2Mar 12, 2024
Diagnostic system for evaporated fuel treatment system
TOYOTA MOTOR CO LTD0 citations44
DENSO CORP
2 patentsUS7165447B2Jan 23, 2007
Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus
DENSO CORP14 citations83
US7165446B2Jan 23, 2007
Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus
DENSO CORP6 citations62