Inventor · disambiguated record
Harufumi Muto
Also filed as: MUTO HARUFUMI
50 granted patents·4 pending applications·356 citations·filing 1999–2023
98Inventor score
Top patents by PatentIndex Score
54 records- 0195US11242814B2System for detecting abnormality in blow-by gas feed path in internal combustion engineTOYOTA MOTOR CO LTD·Filed 2020·Granted Feb 8, 2022·4 cites·7 claims
- 0290US11099102B2Misfire detection device for internal combustion engine, misfire detection system for internal combustion engine, data analysis device, and controller for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2020·Granted Aug 24, 2021·4 cites·16 claims
- 0387US10844803B2Abnormality detection device for air-fuel ratio sensor, abnormality detection system for air-fuel ratio sensor, data analysis device, and control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2020·Granted Nov 24, 2020·3 cites·15 claims
- 0485US6343586B1Control apparatus and method of internal combustion engine installed on a motor vehicleTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 5, 2002·31 cites·12 claims
- 0579US7424872B2Failure diagnostic apparatus for variable valve mechanism of internal combustion engine and failure diagnostic method for variable valve mechanismTOYOTA MOTOR CO LTD·Filed 2005·Granted Sep 16, 2008·7 cites·9 claims
- 0678US10830187B1Abnormality detection device of fuel vapor escape prevention systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Nov 10, 2020·1 cites·8 claims
- 0778US7069139B2Control device for internal combustion engineDENSO CORP·Filed 2005·Granted Jun 27, 2006·12 cites·12 claims
- 0877US11008965B2Control device for high pressure fuel pump for fuel injectionTOYOTA MOTOR CO LTD·Filed 2020·Granted May 18, 2021·1 cites·3 claims
- 0977US10961936B2Abnormality detection system of exhaust gas recirculation systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Mar 30, 2021·1 cites·7 claims
- 1075US6318349B1Air-fuel ratio control apparatus of internal combustion engine and control method for the sameTOYOTA MOTOR CO LTD·Filed 2000·Granted Nov 20, 2001·19 cites·26 claims
- 1174US6332450B1Throttle control apparatus of internal combustion engine and throttle control methodTOYOTA MOTOR CO LTD·Filed 2000·Granted Dec 25, 2001·20 cites·27 claims
- 1273US11174777B2Abnormality detection system of engine cooling water recirculation systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Nov 16, 2021·1 cites·6 claims
- 1373US6917874B2Apparatus for controlling internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Jul 12, 2005·29 cites·19 claims
- 1472US7159453B2Control device of internal combustion engineDENSO CORP·Filed 2005·Granted Jan 9, 2007·7 cites·8 claims
- 1571US6856890B2Intake air amount estimation apparatus and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Feb 15, 2005·17 cites·16 claims
- 1671US6234156B1Method and apparatus for controlling air-fuel ratio in enginesTOYOTA MOTOR CO LTD·Filed 1999·Granted May 22, 2001·28 cites·19 claims
- 1769US11473477B2Catalyst deterioration detection device, catalyst deterioration detection system, data analysis device, control device of internal combustion engine, and method for providing state information of used vehicleTOYOTA MOTOR CO LTD·Filed 2021·Granted Oct 18, 2022·0 cites·16 claims
- 1869US7178388B2Intake air flow detecting device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Feb 20, 2007·7 cites·21 claims
- 1968US6868327B2Device for estimating an amount of intake air of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Mar 15, 2005·15 cites·4 claims
- 2067US7263428B2Cylinder inflow exhaust gas amount calculation system of internal combustion engine and intake passage inflow exhaust gas amount calculation system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Aug 28, 2007·16 cites·26 claims
- 2167US7201143B2Intake amount control apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Apr 10, 2007·5 cites·11 claims
- 2267US6904356B2Apparatus and method for estimating internal EGR amount in internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Jun 7, 2005·12 cites·16 claims
- 2364US6879904B2Pressure/temperature calculation apparatusTOYOTA MOTOR CO LTD·Filed 2003·Granted Apr 12, 2005·13 cites·36 claims
- 2463US11397133B2Misfire detection device for internal combustion engine, misfire detection system for internal combustion engine, data analysis device, and controller for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2021·Granted Jul 26, 2022·0 cites·3 claims
- 2563US11149618B2Catalyst deterioration detection device, catalyst deterioration detection system, data analysis device, control device of internal combustion engine, and method for providing sate information of used vehicleTOYOTA MOTOR CO LTD·Filed 2020·Granted Oct 19, 2021·0 cites·16 claims
- 2663US7051709B1Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted May 30, 2006·5 cites·11 claims
- 2763US7051726B1Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted May 30, 2006·5 cites·8 claims
- 2863US6644104B2Intake air-flow rate detecting apparatus and detecting method of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 11, 2003·12 cites·11 claims
- 2962US11263709B2Supply information communication system, communication module, liquid supply facility, and supply information communication methodTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 1, 2022·0 cites·13 claims
- 3062US6571767B2Flow amount calculation controller and flow amount calculation control methodTOYOTA MOTOR CO LTD·Filed 2001·Granted Jun 3, 2003·11 cites·14 claims
- 3160US12468882B2Document comparison systemTOYOTA MOTOR CO LTD·Filed 2023·Granted Nov 11, 2025·0 cites·5 claims
- 3260US7099767B2Control device for internal combustion engineDENSO CORP·Filed 2005·Granted Aug 29, 2006·4 cites·22 claims
- 3359US12488056B2Document management systemTOYOTA MOTOR CO LTD·Filed 2023·Granted Dec 2, 2025·0 cites·4 claims
- 3459US7703436B2Control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Apr 27, 2010·4 cites·3 claims
- 3557US6986337B2Control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Jan 17, 2006·9 cites·6 claims
- 3655US7181336B2Control system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Feb 20, 2007·7 cites·20 claims
- 3755US2024232530A1Sentence structure analysis systemTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 3854US7085643B2Device for estimating an amount of intake air of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Aug 1, 2006·10 cites·9 claims
- 3953US6983734B2Intake flow rate detecting apparatus of internal combustion engine and method of sameTOYOTA MOTOR CO LTD·Filed 2003·Granted Jan 10, 2006·6 cites·13 claims
- 4052US7213569B2Valve characteristic estimation device and controller for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted May 8, 2007·2 cites·5 claims
- 4152US6711490B2Intake air amount computing apparatus and method for the same, and intake pressure computing apparatus and method for the sameTOYOTA MOTOR CO LTD·Filed 2001·Granted Mar 23, 2004·7 cites·12 claims
- 4251US10941687B2Catalyst temperature estimation device, catalyst temperature estimation system, data analysis device, and control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2020·Granted Mar 9, 2021·0 cites·13 claims
- 4350US7195007B2Apparatus for calculating amount of recirculated exhaust gas for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Mar 27, 2007·7 cites·20 claims
- 4449US10947886B2Catalyst state estimation apparatus, catalyst state estimation method with information processing apparatus, and non-transitory recording medium in which program is storedTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 16, 2021·0 cites·18 claims
- 4549US2024233163A1Image comparison deviceTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 4647US11143083B2Catalyst warm-up process monitoring device, system, and method for internal combustion engine, data analysis device, control device for internal combustion engine, and receiverTOYOTA MOTOR CO LTD·Filed 2020·Granted Oct 12, 2021·0 cites·16 claims
- 4746US11047324B2Oxygen storage amount estimation device, oxygen storage amount estimation system, controller for internal combustion engine, data analysis device, and method for estimating oxygen storage amountTOYOTA MOTOR CO LTD·Filed 2020·Granted Jun 29, 2021·0 cites·10 claims
- 4845US2020263618A1Pm amount estimation device, pm amount estimation system, pm amount estimating method, data analysis device, control device for internal combustion engine, and receiverTOYOTA MOTOR CO LTD·Filed 2020·Application pending·0 cites
- 4943US2018274428A1NOx SENSOR ABNORMALITY DETECTORTOYOTA MOTOR CO LTD·Filed 2018·Application pending·0 cites
- 5042US6186131B1Fuel injection amount control method and apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Feb 13, 2001·9 cites·29 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →