Inventor
NIWA TAKAO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “NIWA TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
20 patentsUS4134380AJan 16, 1979
Automobile oil pan assembly
TOYOTA MOTOR CO LTD72 citations96
US4658360AApr 14, 1987
Method and apparatus for controlling continuously variable transmission for vehicle
TOYOTA MOTOR CO LTD31 citations92
US4656587AApr 7, 1987
Apparatus for controlling continuously variable transmission
TOYOTA MOTOR CO LTD29 citations92
US4653004AMar 24, 1987
Method and apparatus for controlling continuously variable transmission for vehicle
TOYOTA MOTOR CO LTD25 citations92
US4653006AMar 24, 1987
Method and apparatus for controlling continuously variable transmission for vehicle
TOYOTA MOTOR CO LTD37 citations92
US4653005AMar 24, 1987
Method and apparatus for controlling continuously variable transmission for vehicle
TOYOTA MOTOR CO LTD26 citations92
US4649488AMar 10, 1987
Method and apparatus for controlling continuously variable transmission for vehicle
TOYOTA MOTOR CO LTD37 citations92
US4584907AApr 29, 1986
Method for controlling a rate of changing an RPM ratio in a continuously variable transmission
TOYOTA MOTOR CO LTD39 citations92
US4735112AApr 5, 1988
Apparatus for controlling continuously variable transmission
TOYOTA MOTOR CO LTD20 citations82
US4683779AAug 4, 1987
Method and apparatus for controlling continuously variable transmission for vehicle
TOYOTA MOTOR CO LTD23 citations82
US4561327ADec 31, 1985
Apparatus for controlling speed ratios of a continuously variable transmission
TOYOTA MOTOR CO LTD26 citations82
US4727771AMar 1, 1988
Method for controllig a controlling a continuously variable transmission
TOYOTA MOTOR CO LTD21 citations74
US4653007AMar 24, 1987
Apparatus for controlling continuously variable transmission
TOYOTA MOTOR CO LTD14 citations74
US4649487AMar 10, 1987
Method and apparatus for controlling continuously variable transmission for vehicle
TOYOTA MOTOR CO LTD13 citations74
US4649485AMar 10, 1987
Apparatus for controlling continuously variable transmission
TOYOTA MOTOR CO LTD12 citations74
US4642068AFeb 10, 1987
Apparatus for controlling continuously variable transmission
TOYOTA MOTOR CO LTD16 citations74
US4014960AMar 29, 1977
Carburator for a stratified combustion engine with a prechamber
TOYOTA MOTOR CO LTD8 citations74
US3987776AOct 26, 1976
Combustion chamber structure for a spark ignition engine
TOYOTA MOTOR CO LTD8 citations74
US4112877ASep 12, 1978
Internal combustion engine
TOYOTA MOTOR CO LTD3 citations63
US4108951AAug 22, 1978
Accelerator pump system
TOYOTA MOTOR CO LTD4 citations62