Inventor · disambiguated record
Masahiro Yasohara
Also filed as: YASOHARA MASAHIRO
24 granted patents·2 pending applications·451 citations·filing 1987–2017
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD20SUGIURA KENJI2YASOHARA MASAHIRO2PANASONIC CORP1PANASONIC IP MAN CO LTD1
Top patents by PatentIndex Score
26 records- 0190US6812667B2Motor driverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 2, 2004·45 cites·36 claims
- 0290US6512343B1Motor driverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 28, 2003·45 cites·24 claims
- 0380US6271641B1Step motor driving deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 7, 2001·49 cites·45 claims
- 0479US5929576AProtection apparatus for brushless motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 27, 1999·44 cites·52 claims
- 0578US4900993ADriving apparatus for brushless motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Feb 13, 1990·34 cites·12 claims
- 0674US8497642B2Motor devices, and motor driving system and integrated circuit device comprising the sameYASOHARA MASAHIRO·Filed 2009·Granted Jul 30, 2013·4 cites·31 claims
- 0769US5300866ADrive apparatus and speed control apparatus for brushless motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Apr 5, 1994·30 cites·9 claims
- 0866US6040673AMotor control apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 21, 2000·26 cites·20 claims
- 0965US8169170B2Motor driving device, motor device, and integrated circuit deviceYASOHARA MASAHIRO·Filed 2008·Granted May 1, 2012·6 cites·17 claims
- 1064US4983894ABrushless motor driving systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jan 8, 1991·24 cites·3 claims
- 1163US5703459ADriver for an induction motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 30, 1997·27 cites·6 claims
- 1261US5122715ADrive device for a brushless motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jun 16, 1992·18 cites·5 claims
- 1358US5402024ARotor for a permanent-magnet motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Mar 28, 1995·24 cites·5 claims
- 1458US4780651ASpeed control apparatus for a motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Oct 25, 1988·16 cites·8 claims
- 1553US4970445ABrushless motor drive deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Nov 13, 1990·13 cites·3 claims
- 1650US7218072B2Motor driving device, motor to be driven by the same device, and apparatus using the same motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 15, 2007·6 cites·4 claims
- 1746US6021058APWM inverter with zero dead time and initial power supply capacitor chargingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Feb 1, 2000·15 cites·31 claims
- 1843US10355627B2Motor drive circuit, brushless motor drive device provided with motor drive circuit, and motor control methodPANASONIC IP MAN CO LTD·Filed 2017·Granted Jul 16, 2019·0 cites·5 claims
- 1943US7129661B2Motor driver, motor driven by the motor driver, and apparatus employing the motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 31, 2006·3 cites·8 claims
- 2042US6710559B2Motor driving device for motor having multi-phase coilsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 23, 2004·3 cites·7 claims
- 2142US6020715AControl device for a brushless motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Feb 1, 2000·10 cites·8 claims
- 2238US2013147408A1Motor current phase detecting device and motor drive device having sameSUGIURA KENJI·Filed 2011·Application pending·0 cites
- 2337US2011031906A1Motor driving device, integrated circuit device, motor device, and motor driving systemPANASONIC CORP·Filed 2009·Application pending·0 cites
- 2436US8324850B2Motor driverSUGIURA KENJI·Filed 2007·Granted Dec 4, 2012·0 cites·2 claims
- 2535US5859770AOutput circuit for PWM inverter with no floating stateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 12, 1999·7 cites·8 claims
- 2634US7362061B2Gate driver, motor driving device including the gate driver, and apparatus equipped with the motor driving deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 22, 2008·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →