Foo Leng LEONG

Person

Singapore, SG

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for operating a brushless DC motor
- Patent number 10,193,476
- Issue date Jan 29, 2019
- Marvell International Ltd.
- Yichao Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor lock detection
- Patent number 9,912,267
- Issue date Mar 6, 2018
- Marvell International Ltd.
- Edy Susanto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Failure prediction in a rotating device
- Patent number 9,863,852
- Issue date Jan 9, 2018
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Identifying a position of a brushless DC motor
- Patent number 9,829,348
- Issue date Nov 28, 2017
- Marvell World Trade Ltd.
- Yichao Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatuses for controlling operation of a motor of a fan assembly...
- Patent number 9,695,832
- Issue date Jul 4, 2017
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method to eliminate current surge during spindle spin up
- Patent number 9,543,863
- Issue date Jan 10, 2017
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for adaptive motor speed control
- Patent number 9,425,721
- Issue date Aug 23, 2016
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for programming of a cooling fan arrangement
- Patent number 9,334,870
- Issue date May 10, 2016
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Back-EMF detection for motor control
- Patent number 8,853,985
- Issue date Oct 7, 2014
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for controlling speed of a fan via a first con...
- Patent number 8,807,956
- Issue date Aug 19, 2014
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Systems and methods for adaptive torque adjustment and motor control
- Patent number 8,791,664
- Issue date Jul 29, 2014
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage mode using pseudo current limit
- Patent number 8,766,583
- Issue date Jul 1, 2014
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed control systems and methods for decreasing power consumption...
- Patent number 8,638,519
- Issue date Jan 28, 2014
- Marvell International Ltd.
- Edy Susanto
- G11 - INFORMATION STORAGE
Information Patent Grant
Down sampling method for hard disk speed control loop
- Patent number 8,614,556
- Issue date Dec 24, 2013
- Marvell International Ltd.
- Kiyotada Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor spindle control system and method
- Patent number 8,497,647
- Issue date Jul 30, 2013
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuits and methods for multiple programmable memory using one-tim...
- Patent number 8,472,233
- Issue date Jun 25, 2013
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- G11 - INFORMATION STORAGE
Information Patent Grant
Method to eliminate current surge during spindle spin up
- Patent number 8,405,332
- Issue date Mar 26, 2013
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Determining stuck conditions for electric motors using inductive se...
- Patent number 8,405,330
- Issue date Mar 26, 2013
- Marvell World Trade Ltd.
- Foo Leng Leong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage mode using pseudo current limit
- Patent number 8,390,226
- Issue date Mar 5, 2013
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for programming of a cooling fan via a serial p...
- Patent number 8,330,586
- Issue date Dec 11, 2012
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Motor spindle control system and method
- Patent number 8,314,581
- Issue date Nov 20, 2012
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- G11 - INFORMATION STORAGE
Information Patent Grant
Fan motor control systems
- Patent number 8,277,198
- Issue date Oct 2, 2012
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
External disturbance detection system and method for two-phase moto...
- Patent number 8,278,861
- Issue date Oct 2, 2012
- Marvell World Trade Ltd.
- Foo Leng Leong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor speed control system and method without pulse-width modulation
- Patent number 8,269,440
- Issue date Sep 18, 2012
- Marvell World Trade Ltd.
- Foo Leng Leong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Down sampling method for hard disk speed control loop
- Patent number 8,258,729
- Issue date Sep 4, 2012
- Marvell International Ltd.
- Kiyotada Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Speed control systems and methods for decreasing power consumption...
- Patent number 8,259,407
- Issue date Sep 4, 2012
- Marvell International Ltd.
- Edy Susanto
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuits and methods for multiple programmable memory using one-tim...
- Patent number 8,174,863
- Issue date May 8, 2012
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- G11 - INFORMATION STORAGE
Information Patent Grant
External disturbance detection system and method for two-phase moto...
- Patent number 8,164,285
- Issue date Apr 24, 2012
- Marvell World Trade Ltd.
- Foo Leng Leong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Determining stuck conditions for electric motors using inductive se...
- Patent number 8,143,825
- Issue date Mar 27, 2012
- Marvell World Trade Ltd.
- Foo Leng Leong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for initializing operation of a disk drive
- Patent number 8,044,616
- Issue date Oct 25, 2011
- Marvell International Ltd.
- Ravishanker Krishnamoorthy
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
USE OF MONOLITHIC WIRELESS TRANSMITTER WITH SWITCHED CAPACITOR CONV...
- Publication number 20240358077
- Publication date Oct 31, 2024
- STMicroelectronics International N.V.
- Foo Leng LEONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
IDENTIFYING A POSITION OF A BRUSHLESS DC MOTOR
- Publication number 20150084615
- Publication date Mar 26, 2015
- Marvell World Trade Ltd.
- Yichao WANG
- G01 - MEASURING TESTING
Information Patent Application
APPARATUSES FOR CONTROLLING OPERATION OF A MOTOR OF A FAN ASSEMBLY...
- Publication number 20140354200
- Publication date Dec 4, 2014
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SYSTEMS AND METHODS FOR ADAPTIVE MOTOR SPEED CONTROL
- Publication number 20140333242
- Publication date Nov 13, 2014
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FAILURE PREDICTION IN A ROTATING DEVICE
- Publication number 20140111218
- Publication date Apr 24, 2014
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DRIVING A ROTATING DEVICE BASED ON A COMBINATION OF SPEED DETECTION...
- Publication number 20140097777
- Publication date Apr 10, 2014
- Marvell World Trade Ltd.
- Foo Leng Leong
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS FOR PROGRAMMING OF A COOLING FAN ARRANGEMENT
- Publication number 20130094973
- Publication date Apr 18, 2013
- Marvell World Trade Ltd.
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
EXTERNAL DISTURBANCE DETECTION SYSTEM AND METHOD FOR TWO-PHASE MOTO...
- Publication number 20120206072
- Publication date Aug 16, 2012
- Foo Leng Leong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DETERMINING STUCK CONDITIONS FOR ELECTRIC MOTORS USING INDUCTIVE SE...
- Publication number 20120176072
- Publication date Jul 12, 2012
- Foo Leng Leong
- G01 - MEASURING TESTING
Information Patent Application
BACK-EMF DETECTION FOR MOTOR CONTROL
- Publication number 20120068649
- Publication date Mar 22, 2012
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FAN MOTOR CONTROL SYSTEMS
- Publication number 20120007531
- Publication date Jan 12, 2012
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SYSTEMS AND METHODS FOR ADAPTIVE TORQUE ADJUSTMENT AND MOTOR CONTROL
- Publication number 20110181232
- Publication date Jul 28, 2011
- Ravishanker Krishnamoorthy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR PROGRAMMING OF A COOLING FAN VIA A SERIAL P...
- Publication number 20100215509
- Publication date Aug 26, 2010
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
MOTOR SPEED CONTROL SYSTEM AND METHOD WITHOUT PULSE-WIDTH MODULATION
- Publication number 20100134055
- Publication date Jun 3, 2010
- Foo Leng Leong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR CONTROL SYSTEM
- Publication number 20100119386
- Publication date May 13, 2010
- Ravishanker Krishnamoorthy
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
EXTERNAL DISTURBANCE DETECTION SYSTEM AND METHOD FOR TWO-PHASE MOTO...
- Publication number 20100117571
- Publication date May 13, 2010
- Foo Leng Leong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DETERMINING STUCK CONDITIONS FOR ELECTRIC MOTORS USING INDUCTIVE SE...
- Publication number 20100102768
- Publication date Apr 29, 2010
- Foo Leng Leong
- G01 - MEASURING TESTING

Foo Leng LEONG

Person

Patents Grantslast 30 patents

Systems and methods for operating a brushless DC motor

Rotor lock detection

Failure prediction in a rotating device

Identifying a position of a brushless DC motor

Apparatuses for controlling operation of a motor of a fan assembly...

Method to eliminate current surge during spindle spin up

Systems and methods for adaptive motor speed control

Systems and methods for programming of a cooling fan arrangement

Back-EMF detection for motor control

Apparatus and method for controlling speed of a fan via a first con...

Systems and methods for adaptive torque adjustment and motor control

Voltage mode using pseudo current limit

Speed control systems and methods for decreasing power consumption...

Down sampling method for hard disk speed control loop

Motor spindle control system and method

Circuits and methods for multiple programmable memory using one-tim...

Method to eliminate current surge during spindle spin up

Determining stuck conditions for electric motors using inductive se...

Voltage mode using pseudo current limit

Systems and methods for programming of a cooling fan via a serial p...

Motor spindle control system and method

Fan motor control systems

External disturbance detection system and method for two-phase moto...

Motor speed control system and method without pulse-width modulation

Down sampling method for hard disk speed control loop

Speed control systems and methods for decreasing power consumption...

Circuits and methods for multiple programmable memory using one-tim...

External disturbance detection system and method for two-phase moto...

Determining stuck conditions for electric motors using inductive se...

Method and apparatus for initializing operation of a disk drive

Patents Applicationslast 30 patents

USE OF MONOLITHIC WIRELESS TRANSMITTER WITH SWITCHED CAPACITOR CONV...

IDENTIFYING A POSITION OF A BRUSHLESS DC MOTOR

APPARATUSES FOR CONTROLLING OPERATION OF A MOTOR OF A FAN ASSEMBLY...

SYSTEMS AND METHODS FOR ADAPTIVE MOTOR SPEED CONTROL

FAILURE PREDICTION IN A ROTATING DEVICE

DRIVING A ROTATING DEVICE BASED ON A COMBINATION OF SPEED DETECTION...

SYSTEMS AND METHODS FOR PROGRAMMING OF A COOLING FAN ARRANGEMENT

EXTERNAL DISTURBANCE DETECTION SYSTEM AND METHOD FOR TWO-PHASE MOTO...

DETERMINING STUCK CONDITIONS FOR ELECTRIC MOTORS USING INDUCTIVE SE...

BACK-EMF DETECTION FOR MOTOR CONTROL

FAN MOTOR CONTROL SYSTEMS

SYSTEMS AND METHODS FOR ADAPTIVE TORQUE ADJUSTMENT AND MOTOR CONTROL

SYSTEMS AND METHODS FOR PROGRAMMING OF A COOLING FAN VIA A SERIAL P...

MOTOR SPEED CONTROL SYSTEM AND METHOD WITHOUT PULSE-WIDTH MODULATION

MOTOR CONTROL SYSTEM

EXTERNAL DISTURBANCE DETECTION SYSTEM AND METHOD FOR TWO-PHASE MOTO...

DETERMINING STUCK CONDITIONS FOR ELECTRIC MOTORS USING INDUCTIVE SE...