Inventor
HASEGAWA TADAO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
12 patentsUS4192520AMar 11, 1980
Seal structure
TOYOTA MOTOR CO LTD93 citations95
US6135077AOct 24, 2000
Valve timing changing apparatus for internal combustion engine
TOYOTA MOTOR CO LTD45 citations92
US5924397AJul 20, 1999
Variable valve performance apparatus for engine
TOYOTA MOTOR CO LTD20 citations92
US5816204AOct 6, 1998
Variable valve timing mechanism for internal combustion engine
TOYOTA MOTOR CO LTD37 citations92
US5893345AApr 13, 1999
Valve control apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD17 citations84
US5988127ANov 23, 1999
Valve lifter structure
TOYOTA MOTOR CO LTD7 citations74
US5988128ANov 23, 1999
Valve driving apparatus for engine
TOYOTA MOTOR CO LTD15 citations73
US5870984AFeb 16, 1999
Variable engine valve driver
TOYOTA MOTOR CO LTD8 citations73
US4545334AOct 8, 1985
Lubricating oil cooling system for rear or mid engined vehicle
TOYOTA MOTOR CO LTD17 citations72
US7204215B2Apr 17, 2007
Valve characteristic controller and control method for internal combustion engine
TOYOTA MOTOR CO LTD2 citations63
US6131541AOct 17, 2000
Variable valve performance mechanism in internal combustion engine
TOYOTA MOTOR CO LTD6 citations62
US6067947AMay 30, 2000
Valve driving apparatus for engine
TOYOTA MOTOR CO LTD3 citations62