P

Inventor

TANAHASHI TOSHIO

JP123 patents
⚠️ This page may combine multiple inventors who share the name “TANAHASHI TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

38 patents
US6293246B1Sep 25, 2001

Spark-assist type self-ignition engine

TOYOTA MOTOR CO LTD176 citations98
US5551231ASep 3, 1996

Engine exhaust gas purification device

TOYOTA MOTOR CO LTD143 citations97
US6336320B1Jan 8, 2002

Exhaust gas purification device for an internal combustion engine

TOYOTA MOTOR CO LTD78 citations96
US6289672B1Sep 18, 2001

Exhaust gas purification device for an internal combustion engine

TOYOTA MOTOR CO LTD71 citations96
US5986545ANov 16, 1999

Vehicle driveability evaluation system

TOYOTA MOTOR CO LTD65 citations96
US4739614AApr 26, 1988

Double air-fuel ratio sensor system in internal combustion engine

TOYOTA MOTOR CO LTD70 citations96
US4701198AOct 20, 1987

Fuel tank for use in a motor vehicle

TOYOTA MOTOR CO LTD84 citations96
US4659346AApr 21, 1987

Device for preventing fuel vapor from escaping to the outside air from a fuel tank

TOYOTA MOTOR CO LTD54 citations96
US4651889AMar 24, 1987

Fuel tank nozzle having a dual purpose valve

TOYOTA MOTOR CO LTD87 citations96
US4572394AFeb 25, 1986

Fuel tank for use in a motor vehicle

TOYOTA MOTOR CO LTD77 citations96
US4732117AMar 22, 1988

Two-cycle internal combustion engine

TOYOTA MOTOR CO LTD68 citations95
US4192265AMar 11, 1980

Combustion promoting device of a multi-cylinder engine

TOYOTA MOTOR CO LTD86 citations94
US6314935B2Nov 13, 2001

Control system for an internal combustion engine

TOYOTA MOTOR CO LTD22 citations93
US6269791B1Aug 7, 2001

Control system for an internal combustion engine

TOYOTA MOTOR CO LTD28 citations93
US4957081ASep 18, 1990

Combustion chamber of an engine

TOYOTA MOTOR CO LTD31 citations93
US4905646AMar 6, 1990

Two-stroke internal combustion engine with cylinder head valves

TOYOTA MOTOR CO LTD27 citations93
US4289094ASep 15, 1981

Two-stroke cycle gasoline engine

TOYOTA MOTOR CO LTD31 citations93
US5461857AOct 31, 1995

Engine exhaust gas purification device

TOYOTA MOTOR CO LTD51 citations92
US5063886ANov 12, 1991

Two-stroke engine

TOYOTA MOTOR CO LTD35 citations92
US4840147AJun 20, 1989

Combustion chamber of a two-stroke engine

TOYOTA MOTOR CO LTD24 citations92
US4823755AApr 25, 1989

Fuel injection system for an internal combustion engine

TOYOTA MOTOR CO LTD27 citations92
US4732118AMar 22, 1988

Two-cycle internal combustion engine

TOYOTA MOTOR CO LTD38 citations92
US4732116AMar 22, 1988

Two-cycle internal combustion engine

TOYOTA MOTOR CO LTD29 citations92
US4401072AAug 30, 1983

Combustion chamber of a compression-ignition type internal combustion engine

TOYOTA MOTOR CO LTD28 citations92
US4240387ADec 23, 1980

Intake system of a multi-cylinder internal combustion engine

TOYOTA MOTOR CO LTD47 citations92
US6237504B1May 29, 2001

Guideway transit system and automated vehicle used in this system

TOYOTA MOTOR CO LTD43 citations91
US4194472AMar 25, 1980

Exhaust gas recirculation system of a multi-cylinder internal combustion engine

TOYOTA MOTOR CO LTD52 citations90
US4693076ASep 15, 1987

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD24 citations82
US4657156AApr 14, 1987

Fuel tank for use in a motor vehicle

TOYOTA MOTOR CO LTD19 citations82
US4611558ASep 16, 1986

Valve actuating apparatus in internal combustion engine

TOYOTA MOTOR CO LTD24 citations82
US4300499ANov 17, 1981

Combustion chamber of an internal combustion engine

TOYOTA MOTOR CO LTD27 citations82
US4271803AJun 9, 1981

Internal combustion engine

TOYOTA MOTOR CO LTD26 citations82
US4058091ANov 15, 1977

Internal combustion engine of a lean air-fuel mixture combustion type

TOYOTA MOTOR CO LTD24 citations82
US4142366AMar 6, 1979

Exhaust double pipe of an internal combustion engine

TOYOTA MOTOR CO LTD19 citations81
US4938213AJul 3, 1990

Two-stroke engine

TOYOTA MOTOR CO LTD10 citations74
US4883030ANov 28, 1989

Combustion chamber of a two-stroke engine

TOYOTA MOTOR CO LTD13 citations74
US4745741AMay 24, 1988

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD19 citations74
US4729219AMar 8, 1988

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD13 citations74

NEC CORP

3 patents

TAKEUCHI KEISUKE

3 patents

NOUMURA SHIN

3 patents

NIPPON DENSO CO

2 patents

AISIN SEIKI

1 patent

Showing the top 50 of 123 patents by PatentIndex Score.