Inventor
KOHARA YUICHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KOHARA YUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
4 patentsUS6698280B1Mar 2, 2004
Failure test apparatus for fuel-vapor purging system
TOYOTA MOTOR CO LTD35 citations91
US6523398B1Feb 25, 2003
Diagnosis apparatus for fuel vapor purge system
TOYOTA MOTOR CO LTD25 citations90
US6487892B1Dec 3, 2002
Fault detection apparatus and method for fuel vapor purge system
TOYOTA MOTOR CO LTD18 citations82
US7430853B2Oct 7, 2008
Apparatus for evaluating deterioration condition of catalyst of internal combustion engine
TOYOTA MOTOR CO LTD4 citations61