Inventor · disambiguated record
Siew Yong Chui
Also filed as: CHUI SIEW · CHUI SIEW YONG · KUMAR VISHNU · LEONG FOO LENG
52 granted patents·2 pending applications·340 citations·filing 2004–2015
98Inventor score
Files withMARVELL INT LTD34CHUI SIEW YONG7HONG JYE SHENG4MARVELL WORLD TRADE LTD3KRISHNAMOORTHY RAVISHANKER2
Top patents by PatentIndex Score
54 records- 0198US8310389B1Hysteretic inductive switching regulator with power supply compensationCHUI SIEW YONG·Filed 2012·Granted Nov 13, 2012·88 cites·12 claims
- 0294US8358117B1Hysteretic regulator with output slope detectionMARVELL INT LTD·Filed 2010·Granted Jan 22, 2013·20 cites·20 claims
- 0392US7848045B1VCM PWM control architecture for power saving in hard disk drivesMARVELL INT LTD·Filed 2006·Granted Dec 7, 2010·13 cites·42 claims
- 0492US7466095B1Voice coil motor control system and method using pulse width modulationMARVELL INT LTD·Filed 2006·Granted Dec 16, 2008·12 cites·34 claims
- 0590US7839102B1System and process for utilizing back electromotive force in disk drivesMARVELL INT LTD·Filed 2009·Granted Nov 23, 2010·8 cites·20 claims
- 0689US7602131B1Voice coil motor control system and method using pulse width modulationMARVELL INT LTD·Filed 2008·Granted Oct 13, 2009·8 cites·16 claims
- 0787US7792652B1Oscillator calibration for motor controllerMARVELL INT LTD·Filed 2008·Granted Sep 7, 2010·6 cites·13 claims
- 0886US7636220B1Method of ramp stop detection for VCM velocity-controlled retractMARVELL INT LTD·Filed 2006·Granted Dec 22, 2009·6 cites·20 claims
- 0985US8144420B1VCM PWM control architecture for power saving in hard disk drivesLI YING TIAN·Filed 2010·Granted Mar 27, 2012·8 cites·20 claims
- 1085US8129969B1Hysteretic inductive switching regulator with power supply compensationCHUI SIEW YONG·Filed 2006·Granted Mar 6, 2012·20 cites·41 claims
- 1185US7211973B1System and process for utilizing back electromotive force in disk drivesMARVELL ASIA PTE LTD·Filed 2005·Granted May 1, 2007·5 cites·41 claims
- 1285US7208974B1Rail-to-rail source followersMARVELL INT LTD·Filed 2005·Granted Apr 24, 2007·13 cites·36 claims
- 1384US8046185B1Oscillator calibration for motor controllerMARVELL INT LTD·Filed 2010·Granted Oct 25, 2011·6 cites·18 claims
- 1483US7924526B1Method of ramp stop detection for VCM velocity-controlled retractMARVELL INT LTD·Filed 2009·Granted Apr 12, 2011·4 cites·20 claims
- 1583US7622880B1Voice-coil motor control with zero-current sensingMARVELL INT LTD·Filed 2007·Granted Nov 24, 2009·11 cites·20 claims
- 1681US7327106B1System and process for utilizing back electromotive force in disk drivesMARVELL INT LTD·Filed 2007·Granted Feb 5, 2008·3 cites·29 claims
- 1780US7852028B1Voice coil motor control system and methodMARVELL INT LTD·Filed 2008·Granted Dec 14, 2010·9 cites·20 claims
- 1879US7623316B1Circuit and method for protecting emergency head-retract capacitor in a hard disk driveMARVELL INT LTD·Filed 2008·Granted Nov 24, 2009·10 cites·15 claims
- 1978US7504789B1Motor spindle control system and methodMARVELL INT LTD·Filed 2008·Granted Mar 17, 2009·8 cites·51 claims
- 2078US7436618B1Circuit and method for protecting emergency head-retract capacitor in a hard disk driveMARVELL INT LTD·Filed 2006·Granted Oct 14, 2008·2 cites·28 claims
- 2178US7116512B1Circuit and method for protecting emergency head-retract capacitor in a hard disk driveMARVELL INT LTD·Filed 2005·Granted Oct 3, 2006·10 cites·37 claims
- 2278US7098621B1Motor spindle control system and methodMARVELL INT LTD·Filed 2005·Granted Aug 29, 2006·10 cites·45 claims
- 2377US9246379B1Current limit protection circuits for use with depletion MOSFETMARVELL INT LTD·Filed 2013·Granted Jan 26, 2016·7 cites·20 claims
- 2477US8797012B1Hysteretic regulator with output slope detectionMARVELL INT LTD·Filed 2013·Granted Aug 5, 2014·4 cites·16 claims
- 2577US7560883B1System and process for utilizing back electromotive force in disk drivesMARVELL INT LTD·Filed 2008·Granted Jul 14, 2009·2 cites·20 claims
- 2677US6972921B1Circuit and method for protecting emergency head-retractMARVELL INT LTD·Filed 2004·Granted Dec 6, 2005·8 cites·56 claims
- 2776US8107187B1Transitioning between modes of control for motor of recording deviceHONG JYE SHENG·Filed 2010·Granted Jan 31, 2012·3 cites·17 claims
- 2875US7385364B1System and method for detecting back electromotive force with automatic pole calibrationMARVELL INT LTD·Filed 2007·Granted Jun 10, 2008·8 cites·34 claims
- 2973US8593096B1Voice coil motor control system and methodHONG JYE SHENG·Filed 2012·Granted Nov 26, 2013·2 cites·20 claims
- 3070US7923954B1Voice-coil motor control with zero-current sensingMARVELL INT LTD·Filed 2009·Granted Apr 12, 2011·4 cites·19 claims
- 3169US8987949B1Linear regulator with multiple outputs and local feedbackCHUI SIEW YONG·Filed 2011·Granted Mar 24, 2015·3 cites·20 claims
- 3268US7227321B1System and method for detecting back electromotive force with automatic pole calibrationMARVELL INT LTD·Filed 2005·Granted Jun 5, 2007·6 cites·38 claims
- 3367US8724255B1Transitioning between modes of control for motor of recording deviceMARVELL INT LTD·Filed 2012·Granted May 13, 2014·1 cites·20 claims
- 3466US8339727B1Transitioning between modes of control for motor of recording deviceHONG JYE SHENG·Filed 2012·Granted Dec 25, 2012·1 cites·22 claims
- 3561US9362816B2Start-up circuitMARVELL WORLD TRADE LTD·Filed 2014·Granted Jun 7, 2016·1 cites·23 claims
- 3659US9343957B1Multi-converter system including a power distribution balancing circuit and operating method thereofMARVELL INT LTD·Filed 2014·Granted May 17, 2016·1 cites·20 claims
- 3759US7729141B1Three phase voltage triplerMARVELL INT LTD·Filed 2008·Granted Jun 1, 2010·4 cites·12 claims
- 3858US8279727B1Systems and methods for reducing spindle rectification switchingCHUI SIEW YONG·Filed 2009·Granted Oct 2, 2012·0 cites·18 claims
- 3953US7463066B1Rail-to-rail source followersMARVELL INT LTD·Filed 2007·Granted Dec 9, 2008·2 cites·26 claims
- 4052US8791738B2Start-up circuitCHUI SIEW YONG·Filed 2012·Granted Jul 29, 2014·0 cites·23 claims
- 4151US9502957B2System and method for supplying power at startupMARVELL WORLD TRADE LTD·Filed 2014·Granted Nov 22, 2016·0 cites·22 claims
- 4251US7466572B1Three phase voltage triplerMARVELL INT LTD·Filed 2006·Granted Dec 16, 2008·2 cites·24 claims
- 4350US9258863B2Method and apparatus for TRIAC applicationsKRISHNAMOORTHY RAVISHANKER·Filed 2012·Granted Feb 9, 2016·0 cites·18 claims
- 4449US9357623B2Protection circuit in TRIAC applicationsCHUI SIEW YONG·Filed 2012·Granted May 31, 2016·0 cites·21 claims
- 4549US8981484B2Ballast resistor for super-high-voltage devicesSUTARDJA SEHAT·Filed 2012·Granted Mar 17, 2015·0 cites·14 claims
- 4649US7365510B1Motor spindle control system and methodMARVELL INT LTD·Filed 2007·Granted Apr 29, 2008·0 cites·45 claims
- 4748US8742735B2High-voltage startup circuitKRISHNAMOORTHY RAVISHANKER·Filed 2012·Granted Jun 3, 2014·0 cites·20 claims
- 4848US8283882B1Voice coil motor control system and methodHONG JYE SHENG·Filed 2010·Granted Oct 9, 2012·0 cites·20 claims
- 4948US7362063B1Motor spindle control system and methodMARVELL INT LTD·Filed 2007·Granted Apr 22, 2008·1 cites·35 claims
- 5047US2015187754A1Ballast resistor for super-high-voltage devicesMARVELL WORLD TRADE LTD·Filed 2015·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →