Inventor · disambiguated record
Takayuki Demura
Also filed as: DEMURA TAKAYUKI
32 granted patents·354 citations·filing 1981–2012
97Inventor score
Top patents by PatentIndex Score
32 records- 0194US6318343B1Fuel pump control system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Nov 20, 2001·75 cites·3 claims
- 0290US7856815B2Exhaust purification system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Dec 28, 2010·20 cites·17 claims
- 0387US8141533B2Control apparatus and method for internal combustion engineDEMURA TAKAYUKI·Filed 2007·Granted Mar 27, 2012·16 cites·38 claims
- 0486US7150262B2Control apparatus of internal combustion engineDENSO CORP·Filed 2006·Granted Dec 19, 2006·17 cites·3 claims
- 0586US5228286AAir-fuel ratio control device of engineTOYOTA MOTOR CO LTD·Filed 1992·Granted Jul 20, 1993·41 cites·19 claims
- 0682US6450147B2Fuel pressure control apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Sep 17, 2002·26 cites·14 claims
- 0780US4964271AAir-fuel ratio feedback control system including at least downstream-side air-fuel ratio sensorTOYOTA MOTOR CO LTD·Filed 1988·Granted Oct 23, 1990·21 cites·30 claims
- 0873US8286418B2Exhaust gas control apparatus for internal combustion engineDEMURA TAKAYUKI·Filed 2008·Granted Oct 16, 2012·6 cites·16 claims
- 0972US7543444B2Air supply apparatusTOYOTA MOTOR CO LTD·Filed 2006·Granted Jun 9, 2009·7 cites·3 claims
- 1071US7040284B2Internal combustion engine controllerTOYOTA MOTOR CO LTD·Filed 2005·Granted May 9, 2006·7 cites·10 claims
- 1170US4364227AFeedback control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Dec 21, 1982·18 cites·2 claims
- 1265US7813866B2Fuel injection control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2007·Granted Oct 12, 2010·5 cites·13 claims
- 1365US7159565B2Method of controlling ignition timing in internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Jan 9, 2007·4 cites·2 claims
- 1460US8600647B2Air-fuel ratio control apparatus of a multi-cylinder internal combustion engineDEMURA TAKAYUKI·Filed 2009·Granted Dec 3, 2013·4 cites·18 claims
- 1560US8297041B2Exhaust gas purification apparatus for internal combustion engineDEMURA TAKAYUKI·Filed 2007·Granted Oct 30, 2012·1 cites·5 claims
- 1657US6283089B1Direct-injection internal combustion engine and method for controlling the engineTOYOTA MOTOR CO LTD·Filed 2000·Granted Sep 4, 2001·9 cites·18 claims
- 1756US8261533B2Exhaust purification apparatus of internal combustion engineDEMURA TAKAYUKI·Filed 2007·Granted Sep 11, 2012·3 cites·13 claims
- 1854US6520148B2Throttle control apparatus and method for direct-fuel-injection-type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Feb 18, 2003·8 cites·11 claims
- 1954US5022225AAir-fuel ratio feedback control system including at least downstream-side air fuel ratio sensorTOYOTA MOTOR CO LTD·Filed 1990·Granted Jun 11, 1991·12 cites·18 claims
- 2054US4391256AAir-fuel ratio control apparatusTOYOTA MOTOR CO LTD·Filed 1982·Granted Jul 5, 1983·10 cites·3 claims
- 2153US8443781B2Control apparatus and control method for internal combustion engineDEMURA TAKAYUKI·Filed 2009·Granted May 21, 2013·3 cites·7 claims
- 2253US7286924B2Knocking determining apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 23, 2007·2 cites·14 claims
- 2352US9850874B2Controller of internal combustion engine with superchargerDEMURA TAKAYUKI·Filed 2012·Granted Dec 26, 2017·1 cites·2 claims
- 2451US8028517B2Exhaust gas purification device for an engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Oct 4, 2011·2 cites·8 claims
- 2549US7343900B2Ignition timing controller of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Mar 18, 2008·1 cites·4 claims
- 2649US6901906B2Apparatus and method for controlling air-fuel ratio in direct-injection internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Jun 7, 2005·6 cites·7 claims
- 2746US8468999B2Fuel injection control system of internal combustion engineDEMURA TAKAYUKI·Filed 2009·Granted Jun 25, 2013·1 cites·10 claims
- 2846US6923169B2Exhaust gas purifying apparatus of internal combustion engine and activation control method for the sameTOYOTA MOTOR CO LTD·Filed 2004·Granted Aug 2, 2005·5 cites·10 claims
- 2945US4881368ADouble air-fuel ratio sensor system having improved exhaust emission characteristicsTOYOTA MOTOR CO LTD·Filed 1988·Granted Nov 21, 1989·7 cites·86 claims
- 3043US5577486AFuel-injection control apparatus for an engineTOYOTA MOTOR CO LTD·Filed 1995·Granted Nov 26, 1996·11 cites·12 claims
- 3132US5927256AFlow control device of an engineTOYOTA MOTOR CO LTD·Filed 1997·Granted Jul 27, 1999·3 cites·13 claims
- 3231US4811557ADouble air-fuel ratio sensor system having improved exhaust emission characteristicsTOYOTA MOTOR CO LTD·Filed 1987·Granted Mar 14, 1989·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →