Leong; Foo Leng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Leong; Foo Leng.The latest application filed is for "identifying a position of a brushless dc motor".

Company Profile

1.56.16

Leong; Foo Leng - Singapore SG
Leong; Foo Leng - Bukit Timah SG

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Systems and methods for operating a brushless DC motor Grant 10,193,476 - Wang , et al. Ja	2019-01-29
Rotor lock detection Grant 9,912,267 - Susanto , et al. March 6, 2	2018-03-06
Failure prediction in a rotating device Grant 9,863,852 - Krishnamoorthy , et al. January 9, 2	2018-01-09
Identifying a position of a brushless DC motor Grant 9,829,348 - Wang , et al. November 28, 2	2017-11-28
Apparatuses for controlling operation of a motor of a fan assembly based on an induced voltage or a back electromotive force Grant 9,695,832 - Krishnamoorthy , et al. July 4, 2	2017-07-04
Method to eliminate current surge during spindle spin up Grant 9,543,863 - Krishnamoorthy , et al. January 10, 2	2017-01-10
Systems and methods for adaptive motor speed control Grant 9,425,721 - Krishnamoorthy , et al. August 23, 2	2016-08-23
Systems and methods for programming of a cooling fan arrangement Grant 9,334,870 - Krishnamoorthy , et al. May 10, 2	2016-05-10
Identifying A Position Of A Brushless Dc Motor App 20150084615 - WANG; Yichao ; et al.	2015-03-26
Apparatuses For Controlling Operation Of A Motor Of A Fan Assembly Based On An Induced Voltage Or A Back Electromotive Force App 20140354200 - Krishnamoorthy; Ravishanker ; et al.	2014-12-04
Systems And Methods For Adaptive Motor Speed Control App 20140333242 - Krishnamoorthy; Ravishanker ; et al.	2014-11-13
Back-EMF detection for motor control Grant 8,853,985 - Krishnamoorthy , et al. October 7, 2	2014-10-07
Apparatus 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 module Grant 8,807,956 - Krishnamoorthy , et al. August 19, 2	2014-08-19
Systems and methods for adaptive torque adjustment and motor control Grant 8,791,664 - Krishnamoorthy , et al. July 29, 2	2014-07-29
Voltage mode using pseudo current limit Grant 8,766,583 - Krishnamoorthy , et al. July 1, 2	2014-07-01
Failure Prediction In A Rotating Device App 20140111218 - Krishnamoorthy; Ravishanker ; et al.	2014-04-24
Driving A Rotating Device Based On A Combination Of Speed Detection By A Sensor And Sensor-less Speed Detection App 20140097777 - Leong; Foo Leng ; et al.	2014-04-10
Speed control systems and methods for decreasing power consumption in rotating storage devices Grant 8,638,519 - Susanto , et al. January 28, 2	2014-01-28
Down sampling method for hard disk speed control loop Grant 8,614,556 - Ito , et al. December 24, 2	2013-12-24
Motor spindle control system and method Grant 8,497,647 - Krishnamoorthy , et al. July 30, 2	2013-07-30
Circuits and methods for multiple programmable memory using one-time programmable memory Grant 8,472,233 - Krishnamoorthy , et al. June 25, 2	2013-06-25
Systems And Methods For Programming Of A Cooling Fan Arrangement App 20130094973 - Krishnamoorthy; Ravishanker ; et al.	2013-04-18
Method to eliminate current surge during spindle spin up Grant 8,405,332 - Krishnamoorthy , et al. March 26, 2	2013-03-26
Determining stuck conditions for electric motors using inductive sensing Grant 8,405,330 - Leong , et al. March 26, 2	2013-03-26
Voltage mode using pseudo current limit Grant 8,390,226 - Krishnamoorthy , et al. March 5, 2	2013-03-05
Systems and methods for programming of a cooling fan via a serial port communication mode Grant 8,330,586 - Krishnamoorthy , et al. December 11, 2	2012-12-11
Motor spindle control system and method Grant 8,314,581 - Krishnamoorthy , et al. November 20, 2	2012-11-20
Fan motor control systems Grant 8,277,198 - Krishnamoorthy , et al. October 2, 2	2012-10-02
External disturbance detection system and method for two-phase motor control systems Grant 8,278,861 - Leong , et al. October 2, 2	2012-10-02
Motor speed control system and method without pulse-width modulation Grant 8,269,440 - Leong , et al. September 18, 2	2012-09-18
Down sampling method for hard disk speed control loop Grant 8,258,729 - Ito , et al. September 4, 2	2012-09-04
Speed control systems and methods for decreasing power consumption in rotating storage devices Grant 8,259,407 - Susanto , et al. September 4, 2	2012-09-04
External Disturbance Detection System And Method For Two-phase Motor Control Systems App 20120206072 - Leong; Foo Leng ; et al.	2012-08-16
Determining Stuck Conditions For Electric Motors Using Inductive Sensing App 20120176072 - Leong; Foo Leng ; et al.	2012-07-12
Circuits and methods for multiple programmable memory using one-time programmable memory Grant 8,174,863 - Krishnamoorthy , et al. May 8, 2	2012-05-08
External disturbance detection system and method for two-phase motor control systems Grant 8,164,285 - Leong , et al. April 24, 2	2012-04-24
Determining stuck conditions for electric motors using inductive sensing Grant 8,143,825 - Leong , et al. March 27, 2	2012-03-27
Back-emf Detection For Motor Control App 20120068649 - KRISHNAMOORTHY; Ravishanker ; et al.	2012-03-22
Fan Motor Control Systems App 20120007531 - Krishnamoorthy; Ravishanker ; et al.	2012-01-12
Method and apparatus for initializing operation of a disk drive Grant 8,044,616 - Krishnamoorthy , et al. October 25, 2	2011-10-25
Systems And Methods For Adaptive Torque Adjustment And Motor Control App 20110181232 - Krishnamoorthy; Ravishanker ; et al.	2011-07-28
Speed control systems and methods for decreasing power consumption in rotating storage devices Grant 7,986,483 - Susanto , et al. July 26, 2	2011-07-26
Motor spindle control system and method Grant 7,863,842 - Krishnamoorthy , et al. January 4, 2	2011-01-04
Adjustable frequency PWM driver Grant 7,839,103 - Rana , et al. November 23, 2	2010-11-23
Motor spindle control system and method Grant 7,808,193 - Krishnamoorthy , et al. October 5, 2	2010-10-05
Systems And Methods For Programming Of A Cooling Fan Via A Serial Port Communication Mode App 20100215509 - Krishnamoorthy; Ravishanker ; et al.	2010-08-26
Motor Speed Control System And Method Without Pulse-width Modulation App 20100134055 - Leong; Foo Leng ; et al.	2010-06-03
Motor Control System App 20100119386 - Krishnamoorthy; Ravishanker ; et al.	2010-05-13
External Disturbance Detection System And Method For Two-phase Motor Control Systems App 20100117571 - Leong; Foo Leng ; et al.	2010-05-13
Determining Stuck Conditions For Electric Motors Using Inductive Sensing App 20100102768 - Leong; Foo Leng ; et al.	2010-04-29
Adjustable frequency PWM driver Grant 7,531,975 - Rana , et al. May 12, 2	2009-05-12
Motor spindle control system and method Grant 7,504,789 - Chui , et al. March 17, 2	2009-03-17
Method and apparatus for initializing operation of a disk drive Grant 7,468,590 - Krishnamoorthy , et al. December 23, 2	2008-12-23
System for controlling rotation of a disk drive Grant 7,453,221 - Shinichiro , et al. November 18, 2	2008-11-18
System and method for detecting back electromotive force with automatic pole calibration Grant 7,385,364 - Hoo, legal representative , et al. June 10, 2	2008-06-10
Motor spindle control system and method Grant 7,365,510 - Leong , et al. April 29, 2	2008-04-29
Motor spindle control system and method Grant 7,362,063 - Chui , et al. April 22, 2	2008-04-22
Method and apparatus for initializing operation of a disk drive Grant 7,332,883 - Krishnamoorthy , et al. February 19, 2	2008-02-19
Motor spindle control system and method Grant 7,274,162 - Krishnamoorthy , et al. September 25, 2	2007-09-25
System and method for detecting back electromotive force with automatic pole calibration Grant 7,227,321 - Hoo, legal representative , et al. June 5, 2	2007-06-05
Motor spindle control system and method Grant 7,205,744 - Leong , et al. April 17, 2	2007-04-17
Motor spindle control system and method Grant 7,196,484 - Chui , et al. March 27, 2	2007-03-27
Motor spindle control system and method Grant 7,098,621 - Leong , et al. August 29, 2	2006-08-29