P

Inventor

WATANABE TOMOYUKI

JP99 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

22 patents
US5777565AJul 7, 1998

On-vehicle device for road-vehicle communication

TOYOTA MOTOR CO LTD94 citations97
US4720793AJan 19, 1988

Method and apparatus for controlling drive force of a vehicle equipped with continuously variable transmission

TOYOTA MOTOR CO LTD90 citations96
US4546673AOct 15, 1985

Control for vehicle provided with continuously variable speed system power transmission

TOYOTA MOTOR CO LTD130 citations96
US4942950AJul 24, 1990

Method and apparatus for controlling an electromagnetic clutch for use on a vehicle

TOYOTA MOTOR CO LTD25 citations93
US4715258ADec 29, 1987

Power transmission for use in automobiles having continuously variable transmission

TOYOTA MOTOR CO LTD27 citations93
US4673378AJun 16, 1987

Hydraulic control apparatus for a continuously variable transmission

TOYOTA MOTOR CO LTD31 citations93
US4631043ADec 23, 1986

Hydraulic control apparatus for a continuously variable transmission

TOYOTA MOTOR CO LTD45 citations93
US4619629AOct 28, 1986

Hydraulic pressure control apparatus for a continuously variable transmission

TOYOTA MOTOR CO LTD31 citations93
US4606446AAug 19, 1986

Apparatus for controlling a magnetic particle clutch for use in a vehicle

TOYOTA MOTOR CO LTD41 citations93
US4601680AJul 22, 1986

Control apparatus for use of a continuously variable transmission

TOYOTA MOTOR CO LTD27 citations93
US5136495AAug 4, 1992

Speed ratio control system and method for a continuously variable transmission for a vehicle

TOYOTA MOTOR CO LTD16 citations82
US4999774AMar 12, 1991

Speed ratio control system and method for a continuously variable transmission for a vehicle

TOYOTA MOTOR CO LTD18 citations82
US4817469AApr 4, 1989

Automatic transmission for automobile and method of controlling same

TOYOTA MOTOR CO LTD19 citations82
US4803628AFeb 7, 1989

Method and apparatus for controlling electro-magnetic particle clutch

TOYOTA MOTOR CO LTD22 citations82
US4743223AMay 10, 1988

Speed ratio control system for a continuously variable transmission for vehicle

TOYOTA MOTOR CO LTD24 citations82
US4718306AJan 12, 1988

Power transmission for use in automobiles continuously variable transmission

TOYOTA MOTOR CO LTD21 citations82
US4715482ADec 29, 1987

Method and apparatus for controlling an electromagnetic clutch for use on a vehicle

TOYOTA MOTOR CO LTD19 citations82
US4624349ANov 25, 1986

Method and apparatus for controlling an electromagnetic clutch for use on a vehicle

TOYOTA MOTOR CO LTD22 citations82
US4811222AMar 7, 1989

Method and apparatus for controlling electromagnetic powder clutch for vehicle

TOYOTA MOTOR CO LTD15 citations74
US4623052ANov 18, 1986

Method and apparatus for controlling an electromagnetic clutch for use on a vehicle

TOYOTA MOTOR CO LTD15 citations74
US4413599ANov 8, 1983

Ignition timing control system in a spark ignition type internal combustion engine

TOYOTA MOTOR CO LTD18 citations74
US4389992AJun 28, 1983

Ignition timing control method and system therefor

TOYOTA MOTOR CO LTD17 citations74

KURARAY CO

5 patents

CANON KK

3 patents

HITACHI LTD

3 patents

HITACHI HIGH TECH CORP

2 patents

TOYO COMMUNICATION EQUIP

2 patents

NIKON CORP

2 patents

FURUKAWA ELECTRIC CO LTD

2 patents

PIONEER CORP

2 patents

YAZAKI CORP

1 patent

ALPS ELECTRIC CO LTD

1 patent

JATCO LTD

1 patent

NAKAMURA HIDEO

1 patent

WATANABE TOMOYUKI

1 patent

KOITO MFG CO LTD

1 patent

NIPPON KOGAKU KK

1 patent

Showing the top 50 of 99 patents by PatentIndex Score.