Inventor · disambiguated record
Foo Leng Leong
Also filed as: LEONG FOO LENG · TEOH CHENG YONG
47 granted patents·2 pending applications·167 citations·filing 2005–2023
98Inventor score
Files withMARVELL INT LTD23KRISHNAMOORTHY RAVISHANKER10MARVELL WORLD TRADE LTD6LEONG FOO LENG5ITO KIYOTADA2
Top patents by PatentIndex Score
49 records- 0197US8405332B1Method to eliminate current surge during spindle spin upKRISHNAMOORTHY RAVISHANKER·Filed 2010·Granted Mar 26, 2013·18 cites·20 claims
- 0293US10193476B1Systems and methods for operating a brushless DC motorMARVELL INT LTD·Filed 2016·Granted Jan 29, 2019·6 cites·25 claims
- 0390US8807956B2Apparatus and method for controlling speed of a fan via a first control module connected by a cable and/or conductors between a motor and a second control moduleKRISHNAMOORTHY RAVISHANKER·Filed 2011·Granted Aug 19, 2014·9 cites·20 claims
- 0489US7531975B1Adjustable frequency PWM driverMARVELL INT LTD·Filed 2005·Granted May 12, 2009·8 cites·41 claims
- 0587US8330586B2Systems and methods for programming of a cooling fan via a serial port communication modeKRISHNAMOORTHY RAVISHANKER·Filed 2010·Granted Dec 11, 2012·7 cites·17 claims
- 0687US7986483B1Speed control systems and methods for decreasing power consumption in rotating storage devicesMARVELL INT LTD·Filed 2008·Granted Jul 26, 2011·6 cites·12 claims
- 0787US7468590B1Method and apparatus for initializing operation of a disk driveMARVELL INT LTD·Filed 2008·Granted Dec 23, 2008·5 cites·22 claims
- 0886US9912267B1Rotor lock detectionMARVELL INT LTD·Filed 2016·Granted Mar 6, 2018·3 cites·18 claims
- 0984US8174863B1Circuits and methods for multiple programmable memory using one-time programmable memoryKRISHNAMOORTHY RAVISHANKER·Filed 2010·Granted May 8, 2012·8 cites·20 claims
- 1081US8472233B1Circuits and methods for multiple programmable memory using one-time programmable memoryKRISHNAMOORTHY RAVISHANKER·Filed 2012·Granted Jun 25, 2013·6 cites·20 claims
- 1180US9863852B2Failure prediction in a rotating deviceMARVELL WORLD TRADE LTD·Filed 2013·Granted Jan 9, 2018·4 cites·13 claims
- 1278US7863842B1Motor spindle control system and methodMARVELL INT LTD·Filed 2007·Granted Jan 4, 2011·8 cites·8 claims
- 1378US7504789B1Motor spindle control system and methodMARVELL INT LTD·Filed 2008·Granted Mar 17, 2009·8 cites·51 claims
- 1478US7098621B1Motor spindle control system and methodMARVELL INT LTD·Filed 2005·Granted Aug 29, 2006·10 cites·45 claims
- 1577US7332883B1Method and apparatus for initializing operation of a disk driveMARVELL INT LTD·Filed 2006·Granted Feb 19, 2008·2 cites·35 claims
- 1677US7196484B1Motor spindle control system and methodMARVELL INT LTD·Filed 2006·Granted Mar 27, 2007·8 cites·47 claims
- 1776US8405330B2Determining stuck conditions for electric motors using inductive sensingLEONG FOO LENG·Filed 2012·Granted Mar 26, 2013·3 cites·20 claims
- 1876US8390226B1Voltage mode using pseudo current limitKRISHNAMOORTHY RAVISHANKER·Filed 2008·Granted Mar 5, 2013·8 cites·15 claims
- 1975US8791664B2Systems and methods for adaptive torque adjustment and motor controlKRISHNAMOORTHY RAVISHANKER·Filed 2011·Granted Jul 29, 2014·3 cites·20 claims
- 2075US7385364B1System and method for detecting back electromotive force with automatic pole calibrationMARVELL INT LTD·Filed 2007·Granted Jun 10, 2008·8 cites·34 claims
- 2174US8314581B1Motor spindle control system and methodKRISHNAMOORTHY RAVISHANKER·Filed 2010·Granted Nov 20, 2012·2 cites·7 claims
- 2272US8766583B1Voltage mode using pseudo current limitMARVELL INT LTD·Filed 2013·Granted Jul 1, 2014·2 cites·14 claims
- 2372US8614556B1Down sampling method for hard disk speed control loopITO KIYOTADA·Filed 2012·Granted Dec 24, 2013·2 cites·20 claims
- 2471US8044616B1Method and apparatus for initializing operation of a disk driveMARVELL INT LTD·Filed 2008·Granted Oct 25, 2011·1 cites·25 claims
- 2568US7227321B1System and method for detecting back electromotive force with automatic pole calibrationMARVELL INT LTD·Filed 2005·Granted Jun 5, 2007·6 cites·38 claims
- 2664US7274162B1Motor spindle control system and methodMARVELL INT LTD·Filed 2006·Granted Sep 25, 2007·5 cites·40 claims
- 2763US9543863B1Method to eliminate current surge during spindle spin upMARVELL INT LTD·Filed 2013·Granted Jan 10, 2017·1 cites·16 claims
- 2863US8259407B1Speed control systems and methods for decreasing power consumption in rotating storage devicesSUSANTO EDY·Filed 2011·Granted Sep 4, 2012·1 cites·13 claims
- 2961US2024358077A1Use of monolithic wireless transmitter with switched capacitor converter to design heater for e-cigaretteST MICROELECTRONICS INT NV·Filed 2023·Application pending·0 cites
- 3060US8258729B1Down sampling method for hard disk speed control loopITO KIYOTADA·Filed 2009·Granted Sep 4, 2012·3 cites·21 claims
- 3155US9425721B2Systems and methods for adaptive motor speed controlMARVELL WORLD TRADE LTD·Filed 2014·Granted Aug 23, 2016·0 cites·18 claims
- 3255US9334870B2Systems and methods for programming of a cooling fan arrangementMARVELL WORLD TRADE LTD·Filed 2012·Granted May 10, 2016·0 cites·18 claims
- 3354US9829348B2Identifying a position of a brushless DC motorMARVELL WORLD TRADE LTD·Filed 2014·Granted Nov 28, 2017·0 cites·17 claims
- 3454US9695832B2Apparatuses for controlling operation of a motor of a fan assembly based on an induced voltage or a back electromotive forceMARVELL WORLD TRADE LTD·Filed 2014·Granted Jul 4, 2017·0 cites·19 claims
- 3553US8638519B1Speed control systems and methods for decreasing power consumption in rotating storage devicesSUSANTO EDY·Filed 2012·Granted Jan 28, 2014·0 cites·20 claims
- 3653US8497647B1Motor spindle control system and methodMARVELL INT LTD·Filed 2012·Granted Jul 30, 2013·0 cites·10 claims
- 3750US8278861B2External disturbance detection system and method for two-phase motor control systemsLEONG FOO LENG·Filed 2012·Granted Oct 2, 2012·0 cites·14 claims
- 3849US7365510B1Motor spindle control system and methodMARVELL INT LTD·Filed 2007·Granted Apr 29, 2008·0 cites·45 claims
- 3948US7808193B1Motor spindle control system and methodMARVELL INT LTD·Filed 2007·Granted Oct 5, 2010·1 cites·30 claims
- 4048US7453221B1System for controlling rotation of a disk driveMARVELL INT LTD·Filed 2006·Granted Nov 18, 2008·0 cites·11 claims
- 4148US7362063B1Motor spindle control system and methodMARVELL INT LTD·Filed 2007·Granted Apr 22, 2008·1 cites·35 claims
- 4247US8164285B2External disturbance detection system and method for two-phase motor control systemsLEONG FOO LENG·Filed 2009·Granted Apr 24, 2012·1 cites·20 claims
- 4346US8853985B2Back-EMF detection for motor controlKRISHNAMOORTHY RAVISHANKER·Filed 2011·Granted Oct 7, 2014·0 cites·20 claims
- 4446US8277198B2Fan motor control systemsKRISHNAMOORTHY RAVISHANKER·Filed 2009·Granted Oct 2, 2012·1 cites·24 claims
- 4546US8269440B2Motor speed control system and method without pulse-width modulationLEONG FOO LENG·Filed 2009·Granted Sep 18, 2012·1 cites·26 claims
- 4646US8143825B2Determining stuck conditions for electric motors using inductive sensingLEONG FOO LENG·Filed 2009·Granted Mar 27, 2012·1 cites·16 claims
- 4743US7839103B1Adjustable frequency PWM driverMARVELL INT LTD·Filed 2009·Granted Nov 23, 2010·0 cites·15 claims
- 4842US2014097777A1Driving a rotating device based on a combination of speed detection by a sensor and sensor-less speed detectionMARVELL WORLD TRADE LTD·Filed 2013·Application pending·0 cites
- 4940US7205744B1Motor spindle control system and methodMARVELL INT LTD·Filed 2006·Granted Apr 17, 2007·0 cites·45 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →