Inventor
UEDA TATEHITO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “UEDA TATEHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
10 patentsUS6341591B1Jan 29, 2002
Direct fuel injection-type spark ignition internal combustion engine
TOYOTA MOTOR CO LTD29 citations92
US4237837ADec 9, 1980
Exhaust gas recirculation for a diesel engine
TOYOTA MOTOR CO LTD44 citations91
US4329965AMay 18, 1982
Diesel engine exhaust gas recirculation and intake air flow control system
TOYOTA MOTOR CO LTD44 citations89
US4964271AOct 23, 1990
Air-fuel ratio feedback control system including at least downstream-side air-fuel ratio sensor
TOYOTA MOTOR CO LTD21 citations82
US4280470AJul 28, 1981
Three-step exhaust gas recirculation control system
TOYOTA MOTOR CO LTD22 citations81
US5022225AJun 11, 1991
Air-fuel ratio feedback control system including at least downstream-side air fuel ratio sensor
TOYOTA MOTOR CO LTD12 citations74
US5687690ANov 18, 1997
Motor vehicle drive device
TOYOTA MOTOR CO LTD8 citations73
US4286567ASep 1, 1981
Exhaust gas recirculation control system for an internal combustion engine
TOYOTA MOTOR CO LTD17 citations73
US4098079AJul 4, 1978
Secondary air feed control device of an internal combustion engine
TOYOTA MOTOR CO LTD12 citations73
US4327684AMay 4, 1982
Fuel injection amount - fluid pressure conversion system
TOYOTA MOTOR CO LTD6 citations62