Inventor
UCHITANI NOBUKI
JP5 patents
Patents
5 patentsUS4870942AOct 3, 1989
Diagnosis device for exhaust gas recycling device of internal combustion engine
TOYOTA MOTOR CO LTD26 citations91
US4770146ASep 13, 1988
Apparatus and a method for diagnosing an exhaust gas purification system
TOYOTA MOTOR CO LTD29 citations91
US4819601AApr 11, 1989
Diagnostic system of an air-fuel ratio control device
TOYOTA MOTOR CO LTD8 citations69
US4527519AJul 9, 1985
Method and system for controlling intake flow between direct and helical intake passages of intake port of internal combustion engine
TOYOTA MOTOR CO LTD6 citations60
US4450809AMay 29, 1984
Ignition timing control system for an internal-combustion engine
TOYOTA MOTOR CO LTD6 citations60