Inventor · disambiguated record
Takehisa Yaegashi
Also filed as: AOKI KEIJI · YAEGASHI TAKEHISA
28 granted patents·1,163 citations·filing 1976–2000
98Inventor score
Files withTOYOTA MOTOR CO LTD28
Top patents by PatentIndex Score
28 records- 0197US6345496B1Method and device for purifying exhaust gas of an engineTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 12, 2002·158 cites·124 claims
- 0297US5746052AExhaust gas purification device for an engineTOYOTA MOTOR CO LTD·Filed 1995·Granted May 5, 1998·132 cites·27 claims
- 0396US6047542AMethod and device for purifying exhaust gas of engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Apr 11, 2000·148 cites·86 claims
- 0495US5964088ADevice for purifying exhaust gas of engineTOYOTA MOTOR CO LTD·Filed 1997·Granted Oct 12, 1999·114 cites·43 claims
- 0595US4155332AElectronic fuel injection system in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1977·Granted May 22, 1979·49 cites·4 claims
- 0690US6119452ADevice for purifying exhaust gas of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 19, 2000·91 cites·13 claims
- 0789US5782087ADevice for purifying exhaust gas of an engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Jul 21, 1998·70 cites·13 claims
- 0887US5271906AExhaust emission control apparatus using catalytic converter with hydrocarbon absorbentTOYOTA MOTOR CO LTD·Filed 1992·Granted Dec 21, 1993·66 cites·8 claims
- 0985US6133185AExhaust gas purifying catalystTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 17, 2000·67 cites·5 claims
- 1083US4413601AMethod for computing a compensation value for an engine having electronic fuel injection controlTOYOTA MOTOR CO LTD·Filed 1981·Granted Nov 8, 1983·25 cites·20 claims
- 1182US4389996AMethod and apparatus for electronically controlling fuel injectionTOYOTA MOTOR CO LTD·Filed 1981·Granted Jun 28, 1983·24 cites·16 claims
- 1276US4459669AMethod and apparatus for controlling the air-fuel ratio in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Jul 10, 1984·20 cites·16 claims
- 1373US4491921AMethod and apparatus for controlling the air fuel ratio in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Jan 1, 1985·18 cites·24 claims
- 1470US4474081AElectronic method and apparatus for controlling an automatic transmissionTOYOTA MOTOR CO LTD·Filed 1981·Granted Oct 2, 1984·22 cites·22 claims
- 1566US5232973AHigh-temperature gasketTOYOTA MOTOR CO LTD·Filed 1992·Granted Aug 3, 1993·19 cites·7 claims
- 1666US4458319AMethod and apparatus for controlling the air-fuel ratio in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Jul 3, 1984·14 cites·14 claims
- 1763US4102127ACatalyzer heating device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1977·Granted Jul 25, 1978·21 cites·8 claims
- 1862US4572029ASpeed change control method and device of automatic transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1982·Granted Feb 25, 1986·14 cites·6 claims
- 1960US4140611AOxygen sensorTOYOTA MOTOR CO LTD·Filed 1977·Granted Feb 20, 1979·17 cites·3 claims
- 2052US5832889AValve driving apparatusTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 10, 1998·12 cites·10 claims
- 2151US4450528AMethod and apparatus for controlling the operation of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted May 22, 1984·12 cites·10 claims
- 2251US4083183AInternal combustion engine for a vehicleTOYOTA MOTOR CO LTD·Filed 1976·Granted Apr 11, 1978·9 cites·4 claims
- 2347US4389995AElectronically controlled fuel injection method and apparatusTOYOTA MOTOR CO LTD·Filed 1980·Granted Jun 28, 1983·8 cites·19 claims
- 2447US4119512AAir-fuel ratio detecting apparatusTOYOTA MOTOR CO LTD·Filed 1977·Granted Oct 10, 1978·9 cites·10 claims
- 2546US4700681AFuel injection system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1986·Granted Oct 20, 1987·9 cites·12 claims
- 2642US4748950AInternal combustion engine siamese port type intake system construction with internal ridge structure partially separating helical port and bypass passageTOYOTA MOTOR CO LTD·Filed 1987·Granted Jun 7, 1988·8 cites·1 claims
- 2740US4450816AMethod and apparatus for controlling the fuel injection amount of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted May 29, 1984·6 cites·5 claims
- 2831US4762026ASpeed change control method and device of automatic transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1986·Granted Aug 9, 1988·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →