Inventor · disambiguated record
Yo Chan Son
Also filed as: SON YO CHAN
40 granted patents·9 pending applications·470 citations·filing 2002–2024
98Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC18GM GLOBAL TECH OPERATIONS INC15PATEL NITINKUMAR R5SON YO CHAN3RIVIAN IP HOLDINGS LLC2
Top patents by PatentIndex Score
49 records- 0198US7615951B2Method and system for limiting the operating temperature of an electric motorGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 10, 2009·70 cites·16 claims
- 0297US6894454B2Position sensorless control algorithm for AC machineGEN MOTORS CORP·Filed 2002·Granted May 17, 2005·77 cites·19 claims
- 0395US8487575B2Electric motor stator winding temperature estimationYEH CHIA-CHOU·Filed 2009·Granted Jul 16, 2013·30 cites·13 claims
- 0495US7839108B2Electric motor stator winding temperature estimationGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Nov 23, 2010·32 cites·18 claims
- 0593US10319360B1Active masking of tonal noise using motor-based acoustic generator to improve sound qualityGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Jun 11, 2019·13 cites·20 claims
- 0692US10700632B1Method for motor and inverter temperature controlGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Jun 30, 2020·8 cites·20 claims
- 0792US9106177B2Method and system for sensorless control of an electric motorSON YO CHAN·Filed 2012·Granted Aug 11, 2015·12 cites·20 claims
- 0891US8378605B2Method and apparatus for monitoring a system including a sensorless electric motorGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Feb 19, 2013·10 cites·14 claims
- 0991US7923953B2Linearity for field weakening in an interior permanent magnet machineGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Apr 12, 2011·16 cites·22 claims
- 1091US7759886B2Linearity for field weakening in an interior permanent magnet machineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jul 20, 2010·23 cites·19 claims
- 1189US7755313B2Power inverter module thermal managementGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jul 13, 2010·20 cites·19 claims
- 1287US10193489B2Method and apparatus for acoustic signal generationGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jan 29, 2019·3 cites·15 claims
- 1385US8339082B2Methods and systems for induction motor controlCAMPBELL MENGWEI·Filed 2010·Granted Dec 25, 2012·7 cites·20 claims
- 1482US10598732B2Early detection of motor stator winding faultsGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Mar 24, 2020·4 cites·22 claims
- 1582US8253360B2Vector controlled motor drive system implementing pulse width modulated (PWM) waveformsSCHULZ STEVEN E·Filed 2009·Granted Aug 28, 2012·19 cites·18 claims
- 1682US8212505B2Method and system for creating a vibration in an automobileNAGASHIMA JAMES M·Filed 2008·Granted Jul 3, 2012·15 cites·18 claims
- 1782US8174222B2Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pumpPATEL NITINKUMAR R·Filed 2009·Granted May 8, 2012·20 cites·20 claims
- 1881US8319460B2Method and system for initiating operation of an electric motorSON YO CHAN·Filed 2009·Granted Nov 27, 2012·13 cites·17 claims
- 1979US10267819B2Method and apparatus to monitor a resolverGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Apr 23, 2019·3 cites·19 claims
- 2079US8664901B2Method and system for estimating electrical angular speed of a permanent magnet machinePERISIC MILUN·Filed 2012·Granted Mar 4, 2014·4 cites·20 claims
- 2179US8340848B2Method and system for sensorless control of an electric motorSON YO CHAN·Filed 2007·Granted Dec 25, 2012·12 cites·13 claims
- 2278US8339081B2Method and apparatus for low speed permanent magnet motor operationPATEL NITINKUMAR R·Filed 2009·Granted Dec 25, 2012·11 cites·18 claims
- 2378US8054030B2Permanent magnet AC motor systems and control algorithm restart methodsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Nov 8, 2011·13 cites·18 claims
- 2475US9093933B2Method and apparatus for monitoring rotational position of an electric machineGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jul 28, 2015·3 cites·12 claims
- 2575US7932691B2Permanent magnet motor start-upGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Apr 26, 2011·10 cites·11 claims
- 2670US9517706B2Method and apparatus for controlling an electrified powertrain system of a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Dec 13, 2016·2 cites·16 claims
- 2768US9759737B2Method and apparatus for monitoring speed and position of a rotating memberGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Sep 12, 2017·2 cites·15 claims
- 2867US10333448B2Method for torque control systems and methods based on rotor temperatureGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jun 25, 2019·2 cites·16 claims
- 2963US9950706B1Driveline system with nested loop damping controlGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Apr 24, 2018·1 cites·16 claims
- 3063US8269445B2Limp home operational mode for an electric vehiclePATEL NITINKUMAR R·Filed 2009·Granted Sep 18, 2012·5 cites·20 claims
- 3163US8018187B2Initial polarity detection for permanent magnet motor drivesGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Sep 13, 2011·4 cites·20 claims
- 3261US2025364864A1Bearing current mitigationRIVIAN IP HOLDINGS LLC·Filed 2024·Application pending·0 cites
- 3356US10326390B2Systems and methods for operating motors with a single motor position signalGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jun 18, 2019·0 cites·22 claims
- 3456US8310189B2Position sensorless control of permanent magnet motorsPATEL NITINKUMAR R·Filed 2009·Granted Nov 13, 2012·3 cites·6 claims
- 3555US8258736B2Fail-safe controls for electric traction drive systemsPATEL NITINKUMAR R·Filed 2009·Granted Sep 4, 2012·3 cites·20 claims
- 3652US2025341428A1Temperature estimation with reduced computational burdenRIVIAN IP HOLDINGS LLC·Filed 2024·Application pending·0 cites
- 3748US9973120B1Control of six step pulse width modulation with flux weakeningGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted May 15, 2018·0 cites·20 claims
- 3846US2011106476A1Methods and systems for thermistor temperature processingGM GLOBAL TECH OPERATIONS INC·Filed 2009·Application pending·0 cites
- 3945US9000701B2Methods, systems and apparatus for generating voltage commands used to control operation of a permanent magnet machineGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Apr 7, 2015·0 cites·19 claims
- 4043US10156462B2Error correction in a vector-based position sensing systemGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Dec 18, 2018·0 cites·16 claims
- 4143US9283952B2Method and apparatus for fault mitigation in a torque machine of a powertrain systemGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Mar 15, 2016·0 cites·18 claims
- 4242US9897469B2Resolver phase compensationGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Feb 20, 2018·0 cites·19 claims
- 4342US2015207444A1Motor controller with enhanced wobble compensationGM GLOBAL TECH OPERATIONS INC·Filed 2014·Application pending·0 cites
- 4441US2020127588A1Symmetric control of an asymmetric ac motor via a flux regulator operating based on a targeted time constant versus sampling period ratioGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Application pending·0 cites
- 4540US10411631B2Method and apparatus for vibration damping in a powertrain systemGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Sep 10, 2019·0 cites·15 claims
- 4640US2020313586A1Method of controlling current in an interior permanent magnet motor with thermal adaptation and powertrain with sameGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Application pending·0 cites
- 4736US2015229249A1Electronic motor-generator system and method for controlling an electric motor-generatorGM GLOBAL TECH OPERATIONS INC·Filed 2014·Application pending·0 cites
- 4834US2017077854A1Method and apparatus for controlling an electric machineGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Application pending·0 cites
- 4932US2019250205A1Thermal model based health assessment of igbtGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →