Inventor · disambiguated record
Masaki Okamura
Also filed as: OKAMURA MASAKI
92 granted patents·14 pending applications·2,064 citations·filing 1994–2020
99Inventor score
Files withTOYOTA MOTOR CO LTD62OKAMURA MASAKI10TAKAMATSU NAOYOSHI9TOYOTA CHUO KENKYUSHO KK6TORAY INDUSTRIES4
Top patents by PatentIndex Score
106 records- 0199US7199537B2Voltage converter control apparatus, and methodTOYOTA MOTOR CO LTD·Filed 2003·Granted Apr 3, 2007·1.4k cites·22 claims
- 0297US7893637B2Motor drive systemTOYOTA MOTOR CO LTD·Filed 2006·Granted Feb 22, 2011·53 cites·13 claims
- 0396US7701156B2Electric motor drive control system and control method thereofTOYOTA MOTOR CO LTD·Filed 2007·Granted Apr 20, 2010·43 cites·10 claims
- 0496US7337525B2Electric rotating machine and stator for the sameHITACHI LTD·Filed 2007·Granted Mar 4, 2008·36 cites·4 claims
- 0594US7723945B2Control device for motor drive system and electric vehicle including the sameTOYOTA MOTOR CO LTD·Filed 2006·Granted May 25, 2010·32 cites·18 claims
- 0692US9647544B2Magnetic component, power converter and power supply systemTOYOTA CHUO KENKYUSHO KK·Filed 2013·Granted May 9, 2017·11 cites·8 claims
- 0790US9166515B2Electrically powered vehicle and method for controlling the sameKAITA KEIJI·Filed 2010·Granted Oct 20, 2015·13 cites·13 claims
- 0888US11124231B2VehicleTOYOTA MOTOR CO LTD·Filed 2019·Granted Sep 21, 2021·6 cites·9 claims
- 0987US9899916B2Boost converter control apparatusTOYOTA MOTOR CO LTD·Filed 2012·Granted Feb 20, 2018·14 cites·12 claims
- 1087US7923961B2Vehicle equipped with motor and inverterTOYOTA MOTOR CO LTD·Filed 2009·Granted Apr 12, 2011·25 cites·4 claims
- 1187US7656690B2Voltage conversion device and computer-readable recording medium with program recorded thereon for computer to execute control of voltage conversion by voltage conversion deviceTOYOTA MOTOR CO LTD·Filed 2005·Granted Feb 2, 2010·25 cites·14 claims
- 1286US7482769B2Control apparatus for electric motor and abnormality detection method for electric motor controlTOYOTA MOTOR CO LTD·Filed 2006·Granted Jan 27, 2009·20 cites·10 claims
- 1385US5458035AAdjusting mechanism for neck aligner in stringed instrumentGOTOH GUT YUGEN KAISHA·Filed 1994·Granted Oct 17, 1995·31 cites·5 claims
- 1484US9694809B2Engine stop deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Jul 4, 2017·5 cites·5 claims
- 1584US9431824B2DC-DC converter comprising DC power sources to be connected in parallel or in seriesISHIGAKI MASANORI·Filed 2011·Granted Aug 30, 2016·8 cites·16 claims
- 1682US10199155B2Variable magnetic coupling reactor having two integrated reactor elements, power supply system including the same, and method of use of composite magnetic component having two integrated reactor elementsTOYOTA CHUO KENKYUSHO KK·Filed 2015·Granted Feb 5, 2019·2 cites·15 claims
- 1782US8324856B2Motor drive control apparatus, vehicle with motor drive control apparatus, and motor drive control methodYAMAKAWA TOSHIFUMI·Filed 2008·Granted Dec 4, 2012·16 cites·14 claims
- 1881US8215425B2Vehicle and vehicle control methodHAYASHI KAZUHITO·Filed 2007·Granted Jul 10, 2012·15 cites·18 claims
- 1979US9660543B2Electric power conversion circuit systemTOYOTA MOTOR CO LTD·Filed 2016·Granted May 23, 2017·3 cites·3 claims
- 2079US8796960B2Control device for motor drive system and vehicle incorporating the sameOKAMURA MASAKI·Filed 2010·Granted Aug 5, 2014·4 cites·12 claims
- 2179US8305018B2Power supply system and electric powered vehicle using the sameOKAMURA MASAKI·Filed 2009·Granted Nov 6, 2012·16 cites·1 claims
- 2279US8040083B2Motor drive control system and method for controlling the sameTOYOTA MOTOR CO LTD·Filed 2007·Granted Oct 18, 2011·17 cites·18 claims
- 2379US7898208B2Control device and corresponding control method for a boost converter in a motor drive systemTOYOTA MOTOR CO LTD·Filed 2006·Granted Mar 1, 2011·14 cites·10 claims
- 2478US9035594B2Boost converter control apparatusTAKAMATSU NAOYOSHI·Filed 2011·Granted May 19, 2015·4 cites·2 claims
- 2577US10556593B2Series hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2018·Granted Feb 11, 2020·2 cites·4 claims
- 2677US9837888B2Boost control apparatus based on output current change amountTOYOTA MOTOR CO LTD·Filed 2016·Granted Dec 5, 2017·3 cites·7 claims
- 2777US9438115B2Power supply systemISHIGAKI MASANORI·Filed 2012·Granted Sep 6, 2016·7 cites·18 claims
- 2876US7782037B2Power conversion circuitTOYOTA MOTOR CO LTD·Filed 2007·Granted Aug 24, 2010·12 cites·6 claims
- 2976US7199548B2Drive control apparatus and method of alternating current motorTOYOTA CHUO KENKYUSHO KK·Filed 2005·Granted Apr 3, 2007·11 cites·13 claims
- 3075US9555714B2Power supply system of electric-powered vehicleTOYOTA MOTOR CO LTD·Filed 2014·Granted Jan 31, 2017·7 cites·7 claims
- 3175US7208903B2Control device for alternating-current motorTOYOTA MOTOR CO LTD·Filed 2006·Granted Apr 24, 2007·8 cites·6 claims
- 3274US9684082B2Scintillator panel and method for manufacturing scintillator panelTORAY INDUSTRIES·Filed 2013·Granted Jun 20, 2017·3 cites·6 claims
- 3373US10103664B2Vehicle control apparatusTOYOTA MOTOR CO LTD·Filed 2017·Granted Oct 16, 2018·1 cites·4 claims
- 3472US7692940B2Voltage conversion deviceTOYOTA MOTOR CO LTD·Filed 2006·Granted Apr 6, 2010·10 cites·7 claims
- 3571US9941694B2Power supply systemTOYOTA MOTOR CO LTD·Filed 2016·Granted Apr 10, 2018·2 cites·8 claims
- 3671US9742296B2Isolated DC-DC power conversion circuit system with circulating current reductionTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 22, 2017·2 cites·3 claims
- 3770US9895980B2Power supply systemTOYOTA MOTOR CO LTD·Filed 2014·Granted Feb 20, 2018·3 cites·9 claims
- 3870US8082073B2Electric vehicle control deviceOKAMURA MASAKI·Filed 2008·Granted Dec 20, 2011·8 cites·5 claims
- 3969US8866430B2Apparatus for controlling boost converterTAKAMATSU NAOYOSHI·Filed 2011·Granted Oct 21, 2014·3 cites·5 claims
- 4069US8269446B2Electric vehicle control deviceSUHAMA MASAYOSHI·Filed 2011·Granted Sep 18, 2012·3 cites·4 claims
- 4169US7355869B2Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversionTOYOTA MOTOR CO LTD·Filed 2004·Granted Apr 8, 2008·22 cites·9 claims
- 4267US9225280B2Control device for electric-powered vehicle, and electric-powered vehicle with control device as well as control method for electric-powered vehicle, and computer-readable recording medium bearing program for causing computer to execute control methodOKAMURA MASAKI·Filed 2008·Granted Dec 29, 2015·6 cites·22 claims
- 4367US8600597B2Electric vehicleOKAMURA MASAKI·Filed 2011·Granted Dec 3, 2013·3 cites·8 claims
- 4466US9434273B2Electrical source control apparatusTOYOTA MOTOR CO LTD·Filed 2014·Granted Sep 6, 2016·2 cites·16 claims
- 4565US8519653B2Control device and control method for AC motorTAKAMATSU NAOYOSHI·Filed 2009·Granted Aug 27, 2013·10 cites·8 claims
- 4665US7973505B2Electric vehicle control deviceTOYOTA MOTOR CO LTD·Filed 2008·Granted Jul 5, 2011·7 cites·2 claims
- 4764US8018195B2AC motor drive control device and methodTOYOTA MOTOR CO LTD·Filed 2007·Granted Sep 13, 2011·5 cites·11 claims
- 4863US10164551B2Boost control apparatus based on output current change rateTOYOTA MOTOR CO LTD·Filed 2016·Granted Dec 25, 2018·1 cites·10 claims
- 4963US9564253B2Scintillator panelTORAY INDUSTRIES·Filed 2013·Granted Feb 7, 2017·1 cites·10 claims
- 5063US8164282B2Motive power output apparatus and vehicle with the sameOKAMURA MASAKI·Filed 2007·Granted Apr 24, 2012·7 cites·15 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →