Inventor · disambiguated record
Kazuyoshi Obayashi
Also filed as: OBAYASHI KAZUYOSHI
70 granted patents·19 pending applications·1,632 citations·filing 1996–2025
99Inventor score
Top patents by PatentIndex Score
89 records- 0197US6018694AController for hybrid vehicleDENSO CORP·Filed 1998·Granted Jan 25, 2000·207 cites·58 claims
- 0295US8001799B2Multiple cooling sources for a vehicle air conditioning systemDENSO CORP·Filed 2007·Granted Aug 23, 2011·32 cites·24 claims
- 0395US5917248ASystem and method for driving electric vehicleDENSO CORP·Filed 1997·Granted Jun 29, 1999·197 cites·71 claims
- 0494US6908162B2Vehicle regenerative braking apparatusDENSO CORP·Filed 2004·Granted Jun 21, 2005·44 cites·9 claims
- 0593US7173347B2Method and apparatus for driving and controlling on-vehicle loadsDENSO CORP·Filed 2003·Granted Feb 6, 2007·92 cites·35 claims
- 0693US6269290B1Engine-motor hybrid vehicle control apparatus and method having engine performance Lessening compensationDENSO CORP·Filed 1999·Granted Jul 31, 2001·122 cites·26 claims
- 0791US5903128ASensorless control system and method of permanent magnet synchronous motorDENSO CORP·Filed 1997·Granted May 11, 1999·79 cites·12 claims
- 0890US9184633B2Non-contact power supply control device, non-contact power supply system, and non-contact power charge systemOBAYASHI KAZUYOSHI·Filed 2012·Granted Nov 10, 2015·23 cites·11 claims
- 0988US6624529B2Vehicular power supply apparatus and engine-drive-regulation supporting apparatusDENSO CORP·Filed 2001·Granted Sep 23, 2003·79 cites·31 claims
- 1088US5903129AMethod and apparatus for sensor-less control of permanent magnet synchronous motorDENSO CORP·Filed 1997·Granted May 11, 1999·66 cites·16 claims
- 1187US11465574B2Power supply systemDENSO CORP·Filed 2020·Granted Oct 11, 2022·3 cites·9 claims
- 1287US8581545B2Power exchange systemOBAYASHI KAZUYOSHI·Filed 2011·Granted Nov 12, 2013·14 cites·12 claims
- 1387US7459801B2Control apparatus for selectively controlling output current and output voltage of electric generatorDENSO CORP·Filed 2006·Granted Dec 2, 2008·20 cites·5 claims
- 1486US7633247B2Control apparatus for motor generator of hybrid vehicleDENSO CORP·Filed 2006·Granted Dec 15, 2009·22 cites·7 claims
- 1586US7347184B2Controller and controlling method for internal combustion engineDENSO CORP·Filed 2006·Granted Mar 25, 2008·17 cites·4 claims
- 1685US6986398B2Vehicular power supply apparatus and engine-drive-regulation supporting apparatusDENSO CORP·Filed 2003·Granted Jan 17, 2006·59 cites·2 claims
- 1784US7330014B2Method and system for controlling power to be fed to electrical loadsDENSO CORP·Filed 2005·Granted Feb 12, 2008·14 cites·7 claims
- 1883US7571712B2Controller and controlling method for internal combustion engineDENSO CORP·Filed 2008·Granted Aug 11, 2009·14 cites·22 claims
- 1983US6232733B1Engine-motor hybrid vehicle control apparatus and method having power transmission device operation compensation functionDENSO CORP·Filed 1999·Granted May 15, 2001·72 cites·14 claims
- 2083US6173574B1Hybrid electric vehicle control apparatus for maximizing vehicle engine operating efficiencyDENSO CORP·Filed 1999·Granted Jan 16, 2001·67 cites·20 claims
- 2182US8937400B2Power supply apparatus for vehicleOBAYASHI KAZUYOSHI·Filed 2011·Granted Jan 20, 2015·10 cites·22 claims
- 2281US9391472B2Battery charging apparatus for vehicleDENSO CORP·Filed 2012·Granted Jul 12, 2016·8 cites·10 claims
- 2381US8344555B2Control device of power supply circuitTOYOTA MOTOR CO LTD·Filed 2007·Granted Jan 1, 2013·14 cites·2 claims
- 2481US6925369B2Automotive power distribution apparatus and auxiliary terminal for a user optional loadDENSO CORP·Filed 2003·Granted Aug 2, 2005·24 cites·19 claims
- 2580US10807547B2On-board power supply apparatusDENSO CORP·Filed 2017·Granted Oct 20, 2020·5 cites·23 claims
- 2680US7710068B2Electrical power supply system for motor vehicleDENSO CORP·Filed 2007·Granted May 4, 2010·18 cites·20 claims
- 2779US9000606B2Power supply apparatus for vehicleOBAYASHI KAZUYOSHI·Filed 2011·Granted Apr 7, 2015·8 cites·6 claims
- 2877US8504228B2Apparatus for managing energy supplied to functional device units realizing a specific functionOBAYASHI KAZUYOSHI·Filed 2010·Granted Aug 6, 2013·6 cites·30 claims
- 2977US7473206B2Engine controller and control methodDENSO CORP·Filed 2006·Granted Jan 6, 2009·12 cites·40 claims
- 3076US9859709B2Apparatus for controlling power supplied to on-vehicle electrical loadsSAKAMOTO AKIRA·Filed 2011·Granted Jan 2, 2018·6 cites·22 claims
- 3175US8581448B2Control device of power supply circuitICHIKAWA SHINJI·Filed 2012·Granted Nov 12, 2013·4 cites·5 claims
- 3273US12292485B2Magnetic detection systemDENSO CORP·Filed 2023·Granted May 6, 2025·0 cites·9 claims
- 3373US7432609B2Exhaust gas-driven generator system and method of controlling electrical systemDENSO CORP·Filed 2005·Granted Oct 7, 2008·12 cites·6 claims
- 3472US8428803B2Hybrid vehicle and method for controlling hybrid vehicleKOMATSU MASAYUKI·Filed 2008·Granted Apr 23, 2013·8 cites·20 claims
- 3571US8471413B2Control device of power supply circuitICHIKAWA SHINJI·Filed 2012·Granted Jun 25, 2013·3 cites·4 claims
- 3671US8169183B2Electric power supply system and vehicleOBAYASHI KAZUYOSHI·Filed 2008·Granted May 1, 2012·9 cites·1 claims
- 3770US10862336B2Non-contact power-supply device with voltage vector target controlDENSO CORP·Filed 2016·Granted Dec 8, 2020·2 cites·13 claims
- 3870US9083193B2Vehicular electric power supply device and electric power supply systemOBAYASHI KAZUYOSHI·Filed 2012·Granted Jul 14, 2015·4 cites·10 claims
- 3970US7463949B2Power control apparatus and method for electrical system of vehicleDENSO CORP·Filed 2005·Granted Dec 9, 2008·10 cites·11 claims
- 4070US2025385551A1Wireless power transfer deviceDENSO CORP·Filed 2025·Application pending·0 cites
- 4169US9350179B2Charging deviceDENSO CORP·Filed 2013·Granted May 24, 2016·4 cites·6 claims
- 4269US9067477B2Power supply device for vehicleONIMARU SADAHISA·Filed 2012·Granted Jun 30, 2015·6 cites·20 claims
- 4369US5726549ASensor-less control apparatus for permanent magnet synchronous motorNIPPON DENSO CO·Filed 1996·Granted Mar 10, 1998·30 cites·7 claims
- 4468US9876365B2Contactless power supply controller and contactless power supply systemDENSO CORP·Filed 2014·Granted Jan 23, 2018·3 cites·12 claims
- 4568US7315091B2Method and system for controlling power to be fed to electrical loadsDENSO CORP·Filed 2007·Granted Jan 1, 2008·5 cites·11 claims
- 4668US6118247ADrive control apparatus for electric synchronous machine having field windingDENSO CORP·Filed 1999·Granted Sep 12, 2000·31 cites·6 claims
- 4767US9278625B2Power supply apparatus for vehicles that selects between conductive and non-conductive power transferOBAYASHI KAZUYOSHI·Filed 2011·Granted Mar 8, 2016·4 cites·14 claims
- 4867US5699240APWM inverter control apparatusNIPPON DENSO CO·Filed 1996·Granted Dec 16, 1997·39 cites·9 claims
- 4966US7657438B2Method for controlling vehicular electric systemDENSO CORP·Filed 2004·Granted Feb 2, 2010·23 cites·17 claims
- 5065US8476790B2Control device of power supply circuitICHIKAWA SHINJI·Filed 2012·Granted Jul 2, 2013·2 cites·8 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →