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 patentsUS6293246B1Sep 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 patentsTAKEUCHI KEISUKE
3 patentsNOUMURA SHIN
3 patentsNIPPON DENSO CO
2 patentsAISIN SEIKI
1 patentShowing the top 50 of 123 patents by PatentIndex Score.