Inventor
CHUI SIEW YONG
SG52 patents
⚠️ This page may combine multiple inventors who share the name “CHUI SIEW YONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MARVELL INT LTD
33 patentsUS8358117B1Jan 22, 2013
Hysteretic regulator with output slope detection
MARVELL INT LTD20 citations91
US7602131B1Oct 13, 2009
Voice coil motor control system and method using pulse width modulation
MARVELL INT LTD8 citations84
US7504789B1Mar 17, 2009
Motor spindle control system and method
MARVELL INT LTD8 citations84
US7466095B1Dec 16, 2008
Voice coil motor control system and method using pulse width modulation
MARVELL INT LTD12 citations84
US7208974B1Apr 24, 2007
Rail-to-rail source followers
MARVELL INT LTD13 citations84
US7852028B1Dec 14, 2010
Voice coil motor control system and method
MARVELL INT LTD9 citations83
US7848045B1Dec 7, 2010
VCM PWM control architecture for power saving in hard disk drives
MARVELL INT LTD13 citations83
US7622880B1Nov 24, 2009
Voice-coil motor control with zero-current sensing
MARVELL INT LTD11 citations83
US7623316B1Nov 24, 2009
Circuit and method for protecting emergency head-retract capacitor in a hard disk drive
MARVELL INT LTD10 citations82
US7839102B1Nov 23, 2010
System and process for utilizing back electromotive force in disk drives
MARVELL INT LTD8 citations79
US9246379B1Jan 26, 2016
Current limit protection circuits for use with depletion MOSFET
MARVELL INT LTD7 citations76
US8046185B1Oct 25, 2011
Oscillator calibration for motor controller
MARVELL INT LTD6 citations74
US7196484B1Mar 27, 2007
Motor spindle control system and method
MARVELL INT LTD8 citations74
US7636220B1Dec 22, 2009
Method of ramp stop detection for VCM velocity-controlled retract
MARVELL INT LTD6 citations73
US7385364B1Jun 10, 2008
System and method for detecting back electromotive force with automatic pole calibration
MARVELL INT LTD8 citations73
US7227321B1Jun 5, 2007
System and method for detecting back electromotive force with automatic pole calibration
MARVELL INT LTD6 citations73
US7098621B1Aug 29, 2006
Motor spindle control system and method
MARVELL INT LTD10 citations73
US7116512B1Oct 3, 2006
Circuit and method for protecting emergency head-retract capacitor in a hard disk drive
MARVELL INT LTD10 citations72
US6972921B1Dec 6, 2005
Circuit and method for protecting emergency head-retract
MARVELL INT LTD8 citations72
US8797012B1Aug 5, 2014
Hysteretic regulator with output slope detection
MARVELL INT LTD4 citations71
US7463066B1Dec 9, 2008
Rail-to-rail source followers
MARVELL INT LTD2 citations63
US7362063B1Apr 22, 2008
Motor spindle control system and method
MARVELL INT LTD1 citations63
US8724255B1May 13, 2014
Transitioning between modes of control for motor of recording device
MARVELL INT LTD1 citations62
US7923954B1Apr 12, 2011
Voice-coil motor control with zero-current sensing
MARVELL INT LTD4 citations62
US7924526B1Apr 12, 2011
Method of ramp stop detection for VCM velocity-controlled retract
MARVELL INT LTD4 citations62
US7729141B1Jun 1, 2010
Three phase voltage tripler
MARVELL INT LTD4 citations62
US7466572B1Dec 16, 2008
Three phase voltage tripler
MARVELL INT LTD2 citations62
US7560883B1Jul 14, 2009
System and process for utilizing back electromotive force in disk drives
MARVELL INT LTD2 citations61
US7436618B1Oct 14, 2008
Circuit and method for protecting emergency head-retract capacitor in a hard disk drive
MARVELL INT LTD2 citations61
US7327106B1Feb 5, 2008
System and process for utilizing back electromotive force in disk drives
MARVELL INT LTD3 citations61
US9887543B1Feb 6, 2018
Method and apparatus for wave detection
MARVELL INT LTD0 citations52
US9343957B1May 17, 2016
Multi-converter system including a power distribution balancing circuit and operating method thereof
MARVELL INT LTD1 citations52
US7205744B1Apr 17, 2007
Motor spindle control system and method
MARVELL INT LTD0 citations52
CHUI SIEW YONG
7 patentsUS8310389B1Nov 13, 2012
Hysteretic inductive switching regulator with power supply compensation
CHUI SIEW YONG88 citations97
US8129969B1Mar 6, 2012
Hysteretic inductive switching regulator with power supply compensation
CHUI SIEW YONG20 citations92
US8987949B1Mar 24, 2015
Linear regulator with multiple outputs and local feedback
CHUI SIEW YONG3 citations62
US8791738B2Jul 29, 2014
Start-up circuit
CHUI SIEW YONG0 citations52
US9357623B2May 31, 2016
Protection circuit in TRIAC applications
CHUI SIEW YONG0 citations51
US8773110B2Jul 8, 2014
Method and apparatus for wave detection
CHUI SIEW YONG0 citations50
US8279727B1Oct 2, 2012
Systems and methods for reducing spindle rectification switching
CHUI SIEW YONG0 citations50
HONG JYE SHENG
4 patentsUS8593096B1Nov 26, 2013
Voice coil motor control system and method
HONG JYE SHENG2 citations61
US8339727B1Dec 25, 2012
Transitioning between modes of control for motor of recording device
HONG JYE SHENG1 citations61
US8107187B1Jan 31, 2012
Transitioning between modes of control for motor of recording device
HONG JYE SHENG3 citations61
US8283882B1Oct 9, 2012
Voice coil motor control system and method
HONG JYE SHENG0 citations51
MARVELL WORLD TRADE LTD
2 patentsKRISHNAMOORTHY RAVISHANKER
2 patentsLI YING TIAN
1 patentMARVELL ASIA PTE LTD
1 patentShowing the top 50 of 52 patents by PatentIndex Score.