P

Inventor

KUBO SEITOKU

JP83 patents
⚠️ This page may combine multiple inventors who share the name “KUBO SEITOKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

34 patents
US5856709AJan 5, 1999

Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator

TOYOTA MOTOR CO LTD361 citations99
US5789882AAug 4, 1998

Vehicle control apparatus adapted to select engine-or motor-drive mode based on physical quantity reflecting energy conversion efficiencies in motor-drive mode

TOYOTA MOTOR CO LTD162 citations99
US5895333AApr 20, 1999

Hybrid vehicle drive system, wherein mechanism for synthesizing engine and motor outputs is disposed adjacent to transmission

TOYOTA MOTOR CO LTD124 citations98
US5875691AMar 2, 1999

Hybrid drive system

TOYOTA MOTOR CO LTD116 citations98
US5722911AMar 3, 1998

Vehicle control apparatus adapted to charge energy storage device by generator driven by surplus engine power which changes with required vehicle drive force

TOYOTA MOTOR CO LTD100 citations98
US5725064AMar 10, 1998

Hybrid vehicle with pumping loss reducing function

TOYOTA MOTOR CO LTD75 citations96
US4648289AMar 10, 1987

Idling control system for an automatic transmission providing anti roll back action

TOYOTA MOTOR CO LTD63 citations96
US4644826AFeb 24, 1987

Idling control system for an automatic transmission providing smooth starting off action

TOYOTA MOTOR CO LTD59 citations96
US4056988ANov 8, 1977

Driving system for use in motor vehicle

TOYOTA MOTOR CO LTD59 citations96
US5052247AOct 1, 1991

Hydraulic control apparatus for belt-and-pulley type continuously variable transmission, incorporating fail-safe protective means

TOYOTA MOTOR CO LTD29 citations93
US4733580AMar 29, 1988

Method of controlling a transmission of a vehicle in two different modes according to requirements for power and economy

TOYOTA MOTOR CO LTD40 citations93
US4693081ASep 15, 1987

Control system and method for controlling output type hydraulic fluid pump of automatic transmission providing increased pump output pressure with increase in engine load

TOYOTA MOTOR CO LTD46 citations93
US4528869AJul 16, 1985

Automatic transmission for vehicles

TOYOTA MOTOR CO LTD42 citations93
US4963124AOct 16, 1990

Planetary gear transmission for motor vehicle

TOYOTA MOTOR CO LTD53 citations92
US4879921ANov 14, 1989

Transaxle casing for automatic transmission

TOYOTA MOTOR CO LTD36 citations92
US4702341AOct 27, 1987

Four wheel drive vehicle slippage control device and method limiting center differential action according to input torque supplied thereto

TOYOTA MOTOR CO LTD38 citations92
US4940446AJul 10, 1990

Coupling structure for a rotating member and a shaft

TOYOTA MOTOR CO LTD23 citations89
US4881725ANov 21, 1989

Accumulator piston having a coil spring secured thereto

TOYOTA MOTOR CO LTD26 citations89
US4676123AJun 30, 1987

Automobile transmission with output shaft parallel to crank shaft and parking gear fixed to the output shaft

TOYOTA MOTOR CO LTD17 citations82
US4594914AJun 17, 1986

Transverse type automatic transmission with intermediate power transfer through lay shaft

TOYOTA MOTOR CO LTD25 citations82
US4428259AJan 31, 1984

Fail safe automatic transmission lock up clutch control system

TOYOTA MOTOR CO LTD24 citations82
US4428258AJan 31, 1984

Transmission control system with modified back pressure accumulator

TOYOTA MOTOR CO LTD22 citations82
US4406181ASep 27, 1983

Automatic transmission control system with holddown device

TOYOTA MOTOR CO LTD23 citations82
US4263823AApr 28, 1981

Compact transmission for use in automobiles having means for counterbalancing internal thrusts

TOYOTA MOTOR CO LTD17 citations82
US4944719AJul 31, 1990

Planetary gear type speed change device having one-way clutch operable in two functions

TOYOTA MOTOR CO LTD12 citations74
US4882952ANov 28, 1989

Hydraulic control system for automatic transmission with shifting shock reducing means

TOYOTA MOTOR CO LTD13 citations74
US4856381AAug 15, 1989

Fluid pressure control system for automatic transmission

TOYOTA MOTOR CO LTD14 citations74
US4836050AJun 6, 1989

Transverse type automatic transmission with two separate lay shaft elements

TOYOTA MOTOR CO LTD9 citations74
US4783960ANov 15, 1988

Fluid torque converter with axially cut away stator inner shell

TOYOTA MOTOR CO LTD18 citations74
US4768609ASep 6, 1988

Four wheel drive vehicle central differential torque transfer control device and method limiting torque on front wheels or on rear wheels

TOYOTA MOTOR CO LTD18 citations74
US4768399ASep 6, 1988

Four wheel drive power transmission system with clutch between central torque non balanced differential device and one wheel pair

TOYOTA MOTOR CO LTD16 citations74
US4726254AFeb 23, 1988

Four wheel drive power transmission system with front universal joint of front propeller shaft located towards gearbox from engine

TOYOTA MOTOR CO LTD19 citations74
US4721011AJan 26, 1988

Four wheel drive power transmission system with front propeller shaft including no universal joints connecting transfer device to front differential

TOYOTA MOTOR CO LTD13 citations74
US4702083AOct 27, 1987

Control system and method for controllable output type hydraulic fluid pump of automatic transmission providing decreased pump output in association with the engine starting condition

TOYOTA MOTOR CO LTD13 citations74

AISIN WARNER

13 patents

AISIN AW CO

3 patents

Showing the top 50 of 83 patents by PatentIndex Score.