Inventor · disambiguated record
Toshio Tanahashi
Also filed as: FUJIOKA YASUO · NAKAYAMA FUJIO · SAKAI YOSHIHARU · TANAHASHI TOSHIO
123 granted patents·5 pending applications·2,440 citations·filing 1976–2024
99Inventor score
Top patents by PatentIndex Score
128 records- 0198US6293246B1Spark-assist type self-ignition engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Sep 25, 2001·176 cites·19 claims
- 0298US5551231AEngine exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 1994·Granted Sep 3, 1996·143 cites·25 claims
- 0396US4739614ADouble air-fuel ratio sensor system in internal combustion engineTOYOTA MOTOR CO LTD·Filed 1986·Granted Apr 26, 1988·70 cites·108 claims
- 0496US4651889AFuel tank nozzle having a dual purpose valveTOYOTA MOTOR CO LTD·Filed 1985·Granted Mar 24, 1987·87 cites·21 claims
- 0596US4192265ACombustion promoting device of a multi-cylinder engineTOYOTA MOTOR CO LTD·Filed 1978·Granted Mar 11, 1980·86 cites·8 claims
- 0695US4240387AIntake system of a multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 1979·Granted Dec 23, 1980·47 cites·19 claims
- 0794US4732117ATwo-cycle internal combustion engineTOYOTA MOTOR CO LTD·Filed 1987·Granted Mar 22, 1988·68 cites·8 claims
- 0894US4572394AFuel tank for use in a motor vehicleTOYOTA MOTOR CO LTD·Filed 1985·Granted Feb 25, 1986·77 cites·10 claims
- 0994US4194472AExhaust gas recirculation system of a multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 1978·Granted Mar 25, 1980·52 cites·6 claims
- 1092US4701198AFuel tank for use in a motor vehicleTOYOTA MOTOR CO LTD·Filed 1985·Granted Oct 20, 1987·84 cites·15 claims
- 1191US5986545AVehicle driveability evaluation systemTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 16, 1999·65 cites·4 claims
- 1290US6289672B1Exhaust gas purification device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Sep 18, 2001·71 cites·15 claims
- 1389US8521338B2Vehicle control systemTAKEUCHI KEISUKE·Filed 2010·Granted Aug 27, 2013·17 cites·6 claims
- 1489US4659346ADevice for preventing fuel vapor from escaping to the outside air from a fuel tankTOYOTA MOTOR CO LTD·Filed 1985·Granted Apr 21, 1987·54 cites·4 claims
- 1588US8930085B2Control system for vehicleTAKEUCHI KEISUKE·Filed 2011·Granted Jan 6, 2015·15 cites·8 claims
- 1688US6650160B2Two step variable length delay circuitNEC CORP·Filed 2002·Granted Nov 18, 2003·39 cites·32 claims
- 1787US10196959B2Vehicle engine exhaust systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Feb 5, 2019·4 cites·10 claims
- 1887US6336320B1Exhaust gas purification device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Jan 8, 2002·78 cites·21 claims
- 1986US4961404AInternal combustion engine with water-cooling intercoolerAISIN SEIKI·Filed 1990·Granted Oct 9, 1990·54 cites·10 claims
- 2085US8954232B2Vehicle control systemTAKEUCHI KEISUKE·Filed 2011·Granted Feb 10, 2015·12 cites·9 claims
- 2185US4732118ATwo-cycle internal combustion engineTOYOTA MOTOR CO LTD·Filed 1987·Granted Mar 22, 1988·38 cites·3 claims
- 2285US4289094ATwo-stroke cycle gasoline engineTOYOTA MOTOR CO LTD·Filed 1979·Granted Sep 15, 1981·31 cites·12 claims
- 2384US10384663B2Vehicle electrification charge reducing apparatusTOYOTA MOTOR CO LTD·Filed 2015·Granted Aug 20, 2019·3 cites·12 claims
- 2484US9909633B2Braking force generation device of vehicleTOYOTA MOTOR CO LTD·Filed 2016·Granted Mar 6, 2018·3 cites·4 claims
- 2584US9903261B2Vehicle cooling deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Feb 27, 2018·4 cites·9 claims
- 2684US4823755AFuel injection system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1987·Granted Apr 25, 1989·27 cites·20 claims
- 2783US8775040B2Vehicle control systemNOUMURA SHIN·Filed 2010·Granted Jul 8, 2014·9 cites·8 claims
- 2882US6314935B2Control system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 13, 2001·22 cites·10 claims
- 2982US4957081ACombustion chamber of an engineTOYOTA MOTOR CO LTD·Filed 1989·Granted Sep 18, 1990·31 cites·21 claims
- 3081US8596162B2Pedal-operated deviceNOZU KAZUO·Filed 2008·Granted Dec 3, 2013·17 cites·6 claims
- 3181US5461857AEngine exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 1994·Granted Oct 31, 1995·51 cites·21 claims
- 3281US4323038AIntake system of a multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 1979·Granted Apr 6, 1982·19 cites·19 claims
- 3381US4300499ACombustion chamber of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1979·Granted Nov 17, 1981·27 cites·17 claims
- 3479US8903619B2Vehicle control systemNOUMURA SHIN·Filed 2010·Granted Dec 2, 2014·7 cites·18 claims
- 3579US4693076ADouble air-fuel ratio sensor system having improved response characteristicsTOYOTA MOTOR CO LTD·Filed 1986·Granted Sep 15, 1987·24 cites·36 claims
- 3679US4401072ACombustion chamber of a compression-ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Aug 30, 1983·28 cites·19 claims
- 3779US4271803AInternal combustion engineTOYOTA MOTOR CO LTD·Filed 1979·Granted Jun 9, 1981·26 cites·21 claims
- 3878US8972087B2Vehicle control systemTAKEUCHI KEISUKE·Filed 2011·Granted Mar 3, 2015·6 cites·8 claims
- 3978US6269791B1Control system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Aug 7, 2001·28 cites·7 claims
- 4078US6237504B1Guideway transit system and automated vehicle used in this systemTOYOTA MOTOR CO LTD·Filed 1999·Granted May 29, 2001·43 cites·35 claims
- 4178US4732116ATwo-cycle internal combustion engineTOYOTA MOTOR CO LTD·Filed 1987·Granted Mar 22, 1988·29 cites·4 claims
- 4278US4058091AInternal combustion engine of a lean air-fuel mixture combustion typeTOYOTA MOTOR CO LTD·Filed 1976·Granted Nov 15, 1977·24 cites·7 claims
- 4377US8909386B2Vehicle control systemTAKEUCHI KEISUKE·Filed 2010·Granted Dec 9, 2014·6 cites·17 claims
- 4477US5063886ATwo-stroke engineTOYOTA MOTOR CO LTD·Filed 1990·Granted Nov 12, 1991·35 cites·15 claims
- 4577US4905646ATwo-stroke internal combustion engine with cylinder head valvesTOYOTA MOTOR CO LTD·Filed 1987·Granted Mar 6, 1990·27 cites·17 claims
- 4675US10071699B2VehicleTOYOTA MOTOR CO LTD·Filed 2016·Granted Sep 11, 2018·3 cites·10 claims
- 4774US4611558AValve actuating apparatus in internal combustion engineTOYOTA MOTOR CO LTD·Filed 1985·Granted Sep 16, 1986·24 cites·12 claims
- 4873US9955562B2Engine and method of production of engineTOYOTA MOTOR CO LTD·Filed 2015·Granted Apr 24, 2018·1 cites·20 claims
- 4973US9827822B2Damping force generation device for vehicleTOYOTA MOTOR CO LTD·Filed 2016·Granted Nov 28, 2017·3 cites·7 claims
- 5073US4840147ACombustion chamber of a two-stroke engineTOYOTA MOTOR CO LTD·Filed 1988·Granted Jun 20, 1989·24 cites·22 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →