Inventor · disambiguated record
Hiroki Matsuoka
Also filed as: MATSUOKA HIROKI
87 granted patents·8 pending applications·1,031 citations·filing 1975–2024
99Inventor score
Top patents by PatentIndex Score
95 records- 0196US6467466B1Gas leakage detection and fail-safe control method for gas-fueled internal combustion engine and apparatus for implementing the sameFUJITSU TEN LTD·Filed 2000·Granted Oct 22, 2002·94 cites·30 claims
- 0296US4434766AAir assist device of fuel injection type internal combustion engineTOYOTA MOTOR CO LTD·Filed 1982·Granted Mar 6, 1984·58 cites·9 claims
- 0391US10442187B2Liquid ejecting apparatus and maintenance method for liquid ejecting apparatusSEIKO EPSON CORP·Filed 2017·Granted Oct 15, 2019·3 cites·14 claims
- 0490US8579422B2Flow path unit and image forming apparatus that includes flow path unitMATSUOKA HIROKI·Filed 2012·Granted Nov 12, 2013·6 cites·6 claims
- 0589US10639897B2Liquid ejecting apparatus and method of maintaining the sameSEIKO EPSON CORP·Filed 2018·Granted May 5, 2020·2 cites·7 claims
- 0689US10160225B2Liquid supplying device, liquid ejecting apparatus, and liquid supplying methodSEIKO EPSON CORP·Filed 2017·Granted Dec 25, 2018·3 cites·15 claims
- 0789US5517410AApparatus for controlling vehicle drive force depending upon vehicle load determined by engine load and vehicle speedTOYOTA MOTOR CO LTD·Filed 1994·Granted May 14, 1996·44 cites·12 claims
- 0888US8783826B2Fluid ejecting apparatus and method of controlling the fluid ejecting apparatusSEIKO EPSON CORP·Filed 2013·Granted Jul 22, 2014·3 cites·9 claims
- 0988US8657285B2Sheet transport apparatus and sheet transport methodMATSUOKA HIROKI·Filed 2012·Granted Feb 25, 2014·10 cites·9 claims
- 1087US12075581B2Supporting body and display apparatusSATURN LICENSING LLC·Filed 2020·Granted Aug 27, 2024·2 cites·23 claims
- 1187US6763799B2Internal combustion engine and control method of the sameTOYOTA MOTOR CO LTD·Filed 2002·Granted Jul 20, 2004·40 cites·28 claims
- 1286US7340884B2Exhaust purifying apparatus and exhaust purifying method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Mar 11, 2008·14 cites·6 claims
- 1385US4701784APixel defect correction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Oct 20, 1987·47 cites·12 claims
- 1484US5074113AAir-fuel ratio control device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1990·Granted Dec 24, 1991·38 cites·25 claims
- 1583US4413601AMethod 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
- 1680US5226351AVehicle transmission shift control apparatus using shift boundary lines based on vehicle speed, and engine intake air quantity or throttle or accelerator operation amountTOYOTA MOTOR CO LTD·Filed 1992·Granted Jul 13, 1993·31 cites·28 claims
- 1779US7607290B2Exhaust purifying apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 27, 2009·9 cites·16 claims
- 1879US7600373B2Regeneration controller for exhaust purification apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 13, 2009·12 cites·12 claims
- 1977US5647332AFuel-vapor emission-control system for controlling the amount of flow through a charcoal canisterTOYOTA MOTOR CO LTD·Filed 1996·Granted Jul 15, 1997·33 cites·6 claims
- 2077US2025024616A1Support body and display apparatusSATURN LICENSING LLC·Filed 2024·Application pending·0 cites
- 2176US6646666B2Method of forming a forgery-preventive image and apparatus thereforSEIKO EPSON CORP·Filed 2001·Granted Nov 11, 2003·16 cites·27 claims
- 2275US8316200B2Microcomputer, electronic instrument, and flash memory protection methodMATSUOKA HIROKI·Filed 2008·Granted Nov 20, 2012·7 cites·17 claims
- 2375US7677029B2Regeneration controller for exhaust purification apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Mar 16, 2010·9 cites·23 claims
- 2475US6619035B2Exhaust emission control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Sep 16, 2003·25 cites·14 claims
- 2573US11115740B2Flat panel speaker and display unitSONY CORP·Filed 2017·Granted Sep 7, 2021·2 cites·18 claims
- 2672US10981603B2Front body structure of vehicleMAZDA MOTOR·Filed 2019·Granted Apr 20, 2021·2 cites·3 claims
- 2772US10906319B2Liquid ejecting apparatus and method of maintaining the sameSEIKO EPSON CORP·Filed 2020·Granted Feb 2, 2021·0 cites·5 claims
- 2872US5632252AApparatus for controlling fuel evaporated from internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted May 27, 1997·28 cites·2 claims
- 2972US4843476ASystem for controlling the amount of light reaching an image pick-up apparatus based on a brightness/darkness ratio weighingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jun 27, 1989·26 cites·27 claims
- 3071US7185488B2Exhaust purifying apparatus and exhaust purifying method for internal combustion engineDENSO CORP·Filed 2005·Granted Mar 6, 2007·6 cites·7 claims
- 3171US6240910B1Fuel injection control system for compressed natural gas-fueled automotive vehicleFUJITSU TEN LTD·Filed 2000·Granted Jun 5, 2001·28 cites·23 claims
- 3270US8075091B2Fluid ejecting apparatus and method of controlling the fluid ejecting apparatusKOIKE KAORU·Filed 2010·Granted Dec 13, 2011·1 cites·6 claims
- 3370US7959254B2Liquid ejection apparatus, capping device, and installation device for liquid absorberSEIKO EPSON CORP·Filed 2010·Granted Jun 14, 2011·1 cites·6 claims
- 3470US6722493B2Conveyor roller drive device and drive roller assemblySUMITOMO HEAVY INDUSTRIES·Filed 2001·Granted Apr 20, 2004·16 cites·7 claims
- 3570US4838230AFuel injection control system for internal combustion engine when startingTOYOTA MOTOR CO LTD·Filed 1988·Granted Jun 13, 1989·17 cites·7 claims
- 3670US4474081AElectronic method and apparatus for controlling an automatic transmissionTOYOTA MOTOR CO LTD·Filed 1981·Granted Oct 2, 1984·22 cites·22 claims
- 3769US4970858AAir-fuel ratio feedback system having improved activation determination for air-fuel ratio sensorTOYOTA MOTOR CO LTD·Filed 1989·Granted Nov 20, 1990·16 cites·46 claims
- 3868US12162062B2Mold strength measuring device, molding system, and mold strength measuring methodSINTOKOGIO LTD·Filed 2022·Granted Dec 10, 2024·0 cites·4 claims
- 3967US11516425B2Display apparatusSONY CORP·Filed 2018·Granted Nov 29, 2022·1 cites·6 claims
- 4067US7849677B2Regeneration controller for exhaust purification apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Dec 14, 2010·4 cites·26 claims
- 4167US4941318AAir-fuel ratio feedback control system having short-circuit detection for air-fuel ratio sensorTOYOTA MOTOR CO LTD·Filed 1989·Granted Jul 17, 1990·15 cites·34 claims
- 4266US8826524B2Fitting tool for liquid absorber and fitting methodMATSUOKA HIROKI·Filed 2008·Granted Sep 9, 2014·2 cites·8 claims
- 4366US5816287AApparatus for preventing discharge of fuel vaporTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 6, 1998·23 cites·20 claims
- 4465US7484359B2Exhaust purifying apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Feb 3, 2009·3 cites·15 claims
- 4564US7841169B2Regeneration controller for exhaust purification apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Nov 30, 2010·3 cites·22 claims
- 4664US5609141AEvaporative fuel control deviceTOYOTA MOTOR CO LTD·Filed 1995·Granted Mar 11, 1997·22 cites·14 claims
- 4764US4416240ADevice and method for controlling fuel injected internal combustion engine providing hot deceleration enrichmentTOYOTA MOTOR CO LTD·Filed 1982·Granted Nov 22, 1983·14 cites·14 claims
- 4862US12210035B2Inertial sensor device and sensor moduleSEIKO EPSON CORP·Filed 2022·Granted Jan 28, 2025·0 cites·4 claims
- 4962US11225288B2Front vehicle body structure of vehicleMAZDA MOTOR·Filed 2019·Granted Jan 18, 2022·1 cites·13 claims
- 5062US5194075AEvaporative fuel recovery apparatusTOYOTA MOTOR CO LTD·Filed 1992·Granted Mar 16, 1993·19 cites·8 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →