Inventor
SUGAYA MASAMI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “SUGAYA MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
23 patentsUS5006093AApr 9, 1991
Hydraulic control apparatus for vehicle power transmitting system having continuously variable transmission
TOYOTA MOTOR CO LTD141 citations98
US6672981B2Jan 6, 2004
Transmission shift control apparatus arranged to perform compulsory shift-down action of continuously variable transmission
TOYOTA MOTOR CO LTD20 citations93
US5211083AMay 18, 1993
Hydraulic control apparatus for power transmitting system including belt-and-pulley type continuously variable transmission and torque converter equipped with lock-up clutch
TOYOTA MOTOR CO LTD33 citations92
US5207617AMay 4, 1993
Hydraulic control apparatus for continuously variable power transmitting system including reversing gear device and auxiliary transmission
TOYOTA MOTOR CO LTD26 citations92
US5203233AApr 20, 1993
Hydraulic control apparatus for belt-and-pulley type continuously variable transmission, incorporating means for optimizing belt tensioning pressure
TOYOTA MOTOR CO LTD29 citations92
US5188007AFeb 23, 1993
Hydraulic control apparatus for belt-and-pulley type continuously variable transmission, incorporating means for increasing belt tensioning pressure upon reversal of rotating direction of pulleys
TOYOTA MOTOR CO LTD26 citations92
US5052980AOct 1, 1991
Hydraulic control apparatus for vehicle power transmitting system having continuously variable transmission
TOYOTA MOTOR CO LTD23 citations92
US5050715ASep 24, 1991
Hydraulic control apparatus for vehicle power transmitting system having fluid coupling incorporating lock-up clutch
TOYOTA MOTOR CO LTD26 citations92
US4967621ANov 6, 1990
Hydraulic control device for belt-and-pulley type continuously variable transmission for a vehicle
TOYOTA MOTOR CO LTD51 citations92
US4867732ASep 19, 1989
Control device for belt-and-pulley type continuously variable transmission for a vehicle
TOYOTA MOTOR CO LTD31 citations92
US4857034AAug 15, 1989
Hydraulic control system for continuously variable transmission for automotive vehicle
TOYOTA MOTOR CO LTD40 citations92
US4772249ASep 20, 1988
Hydraulic control system for continuously variable transmission for automotive vehicle
TOYOTA MOTOR CO LTD31 citations92
US6565465B2May 20, 2003
Continuously variable belt transmission
TOYOTA MOTOR CO LTD42 citations90
US7740556B2Jun 22, 2010
Hydraulic control apparatus and hydraulic control method
TOYOTA MOTOR CO LTD9 citations83
US4778435AOct 18, 1988
Hydraulic control system for continuously variable transmission for automotive vehicle
TOYOTA MOTOR CO LTD21 citations82
US4685357AAug 11, 1987
Continuously variable transmission hydraulic control system having two pressure regulating valves
TOYOTA MOTOR CO LTD23 citations82
US5119698AJun 9, 1992
Hydraulic control apparatus for continuously variable transmission, having shift control valve whose gain is changed with vehicle speed
TOYOTA MOTOR CO LTD11 citations74
US5094129AMar 10, 1992
Hydraulic control apparatus for vehicle continuously variable transmission, having means for limiting increase in input shaft speed after the speed rises to predetermined level with vehicle speed
TOYOTA MOTOR CO LTD12 citations74
US5088355AFeb 18, 1992
Vehicle power transmitting system with continuously variable transmission and hydraulic control apparatus, capable of producing adequate engine braking during low-speed reverse running of vehicle
TOYOTA MOTOR CO LTD16 citations74
US5063816ANov 12, 1991
Hydraulic control apparatus for vehicle continuously variable transmission, having two shift control valves selectively enabled depending upon selected position of clutch device between engine and drive wheel
TOYOTA MOTOR CO LTD15 citations74
US4551119ANov 5, 1985
Hydraulic apparatus for a continuously variable transmission
TOYOTA MOTOR CO LTD14 citations74
US4642069AFeb 10, 1987
Hydraulic control system for continuously variable transmission
TOYOTA MOTOR CO LTD18 citations73
US7503869B2Mar 17, 2009
Speed change control apparatus for toroidal CVT
TOYOTA MOTOR CO LTD5 citations61