Kwokleung Chan

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems, methods, apparatus, and computer-readable media for adapti...
- Patent number 11,062,689
- Issue date Jul 13, 2021
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multi-spectral ultrasonic imaging
- Patent number 10,503,948
- Issue date Dec 10, 2019
- QUALCOMM Incorporated
- Jack Conway Kitchens
- G01 - MEASURING TESTING
Information Patent Grant
Systems, methods, apparatus, and computer-readable media for adapti...
- Patent number 10,347,233
- Issue date Jul 9, 2019
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Delay techniques in active noise cancellation circuits or other cir...
- Patent number 10,115,386
- Issue date Oct 30, 2018
- QUALCOMM Incorporated
- Kwokleung Chan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Extraction and analysis of buffered audio data using multiple codec...
- Patent number 9,992,745
- Issue date Jun 5, 2018
- QUALCOMM Incorporated
- Kyu Woong Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-stage liveness determination
- Patent number 9,953,233
- Issue date Apr 24, 2018
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Air/object determination for biometric sensors
- Patent number 9,911,184
- Issue date Mar 6, 2018
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Finger/non-finger determination for biometric sensors
- Patent number 9,665,763
- Issue date May 30, 2017
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems, methods, apparatus, and computer-readable media for adapti...
- Patent number 9,659,558
- Issue date May 23, 2017
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Optimizing audio processing functions by dynamically compensating f...
- Patent number 9,654,609
- Issue date May 16, 2017
- QUALCOMM Incorporated
- Erik Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-stage liveness determination
- Patent number 9,639,765
- Issue date May 2, 2017
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image-based liveness detection for ultrasonic fingerprints
- Patent number 9,633,269
- Issue date Apr 25, 2017
- QUALCOMM Incorporated
- Jin Gu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Layered filtering for biometric sensors
- Patent number 9,582,705
- Issue date Feb 28, 2017
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic devices for controlling noise
- Patent number 9,495,952
- Issue date Nov 15, 2016
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic echo cancellation based on ultrasound motion detection
- Patent number 9,363,386
- Issue date Jun 7, 2016
- QUALCOMM Incorporated
- Ren Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, methods, apparatus, and computer-readable media for adapti...
- Patent number 9,361,872
- Issue date Jun 7, 2016
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Optimizing audio processing functions by dynamically compensating f...
- Patent number 9,232,071
- Issue date Jan 5, 2016
- QUALCOMM Incorporated
- Erik Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, methods, apparatus, and computer program products for enha...
- Patent number 9,202,455
- Issue date Dec 1, 2015
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Air/object determination for biometric sensors
- Patent number 9,195,879
- Issue date Nov 24, 2015
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ultrasound mesh localization for interactive systems
- Patent number 9,129,515
- Issue date Sep 8, 2015
- QUALCOMM Incorporated
- Pei Xiang
- G01 - MEASURING TESTING
Information Patent Grant
Systems, methods, devices, apparatus, and computer program products...
- Patent number 9,053,697
- Issue date Jun 9, 2015
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Systems, methods, apparatus, and computer-readable media for spatia...
- Patent number 9,037,458
- Issue date May 19, 2015
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Integrated echo cancellation and noise suppression
- Patent number 8,811,601
- Issue date Aug 19, 2014
- QUALCOMM Incorporated
- Asif I. Mohammad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, methods, apparatus, and computer-readable media for adapti...
- Patent number 8,737,636
- Issue date May 27, 2014
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Systems, methods, and apparatus for detection of uncorrelated compo...
- Patent number 8,391,507
- Issue date Mar 5, 2013
- QUALCOMM Incorporated
- Kwokleung Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, methods, and apparatus for multichannel signal amplitude b...
- Patent number 8,321,214
- Issue date Nov 27, 2012
- QUALCOMM Incorporated
- Kwokleung Chan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio source proximity estimation using sensor array for noise redu...
- Patent number 8,218,397
- Issue date Jul 10, 2012
- QUALCOMM Incorporated
- Kwokleung Chan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Systems, methods, and apparatus for signal separation using data dr...
- Patent number 8,160,273
- Issue date Apr 17, 2012
- Erik Visser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Robust separation of speech signals in a noisy environment
- Patent number 7,464,029
- Issue date Dec 9, 2008
- QUALCOMM Incorporated
- Erik Visser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
MODEL-BASED ITERATIVE RECONSTRUCTION FOR FINGERPRINT SCANNER
- Publication number 20210232801
- Publication date Jul 29, 2021
- QUALCOMM Incorporated
- Hasib SIDDIQUI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTI...
- Publication number 20190272814
- Publication date Sep 5, 2019
- QUALCOMM Incorporated
- Hyun Jin PARK
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTI...
- Publication number 20170229110
- Publication date Aug 10, 2017
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MULTI-STAGE LIVENESS DETERMINATION
- Publication number 20170200054
- Publication date Jul 13, 2017
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTI-SPECTRAL ULTRASONIC IMAGING
- Publication number 20160350573
- Publication date Dec 1, 2016
- QUALCOMM Incorporated
- Jack Conway Kitchens
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTI...
- Publication number 20160267900
- Publication date Sep 15, 2016
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Multi-Stage Liveness Determination
- Publication number 20160070967
- Publication date Mar 10, 2016
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE-BASED LIVENESS DETECTION FOR ULTRASONIC FINGERPRINTS
- Publication number 20160070968
- Publication date Mar 10, 2016
- QUALCOMM Incorporated
- Jin Gu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FINGER/NON-FINGER DETERMINATION FOR BIOMETRIC SENSORS
- Publication number 20160063294
- Publication date Mar 3, 2016
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LAYERED FILTERING FOR BIOMETRIC SENSORS
- Publication number 20160063300
- Publication date Mar 3, 2016
- QUALCOMM Incorporated
- Eliza Yingzi Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ULTRASOUND MESH LOCALIZATION FOR INTERACTIVE SYSTEMS
- Publication number 20140269212
- Publication date Sep 18, 2014
- QUALCOMM Incorporated
- Pei Xiang
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTI...
- Publication number 20140233750
- Publication date Aug 21, 2014
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
OPTIMIZING AUDIO PROCESSING FUNCTIONS BY DYNAMICALLY COMPENSATING F...
- Publication number 20130156209
- Publication date Jun 20, 2013
- QUALCOMM Incorporated
- Erick Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTIMIZING AUDIO PROCESSING FUNCTIONS BY DYNAMICALLY COMPENSATING F...
- Publication number 20130156207
- Publication date Jun 20, 2013
- QUALCOMM Incorporated
- Erik Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC ECHO CANCELLATION BASED ON ULTRASOUND MOTION DETECTION
- Publication number 20130129102
- Publication date May 23, 2013
- QUALCOMM Incorporated
- Ren Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EXTRACTION AND ANALYSIS OF AUDIO FEATURE DATA
- Publication number 20130110521
- Publication date May 2, 2013
- QUALCOMM Incorporated
- Kyu Woong Hwang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ELECTRONIC DEVICES FOR CONTROLLING NOISE
- Publication number 20130039507
- Publication date Feb 14, 2013
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
INTEGRATED ECHO CANCELLATION AND NOISE SUPPRESSION
- Publication number 20120250882
- Publication date Oct 4, 2012
- QUALCOMM Incorporated
- Asif I. Mohammad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR SPATIA...
- Publication number 20120215519
- Publication date Aug 23, 2012
- QUALCOMM Incorporated
- Hyun Jin Park
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS, METHODS, DEVICES, APPARATUS, AND COMPUTER PROGRAM PRODUCTS...
- Publication number 20110293103
- Publication date Dec 1, 2011
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DELAY TECHNIQUES IN ACTIVE NOISE CANCELLATION CIRCUITS OR OTHER CIR...
- Publication number 20110116654
- Publication date May 19, 2011
- QUALCOMM Incorporated
- Kwokleung Chan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEMS, METHODS, APPARATUS, AND COMPUTER PROGRAM PRODUCTS FOR ENHA...
- Publication number 20100131269
- Publication date May 27, 2010
- QUALCOMM Incorporated
- Hyun Jin Park
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO SOURCE PROXIMITY ESTIMATION USING SENSOR ARRAY FOR NOISE REDU...
- Publication number 20100103776
- Publication date Apr 29, 2010
- QUALCOMM Incorporated
- Kwokleung Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, METHODS, AND APPARATUS FOR DETECTION OF UNCORRELATED COMPO...
- Publication number 20100046770
- Publication date Feb 25, 2010
- QUALCOMM Incorporated
- Kwokleung Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, METHODS, AND APPARATUS FOR MULTICHANNEL SIGNAL BALANCING
- Publication number 20090299739
- Publication date Dec 3, 2009
- QUALCOMM Incorporated
- Kwokleung Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, METHODS, AND APPARATUS FOR SIGNAL SEPARATION
- Publication number 20090022336
- Publication date Jan 22, 2009
- QUALCOMM Incorporated
- Erik Visser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
System and Method for Spectral Analysis
- Publication number 20090001262
- Publication date Jan 1, 2009
- Erik Visser
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Robust separation of speech signals in a noisy environment
- Publication number 20070021958
- Publication date Jan 25, 2007
- Erik Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kwokleung Chan

Person

Patents Grantslast 30 patents

Systems, methods, apparatus, and computer-readable media for adapti...

Multi-spectral ultrasonic imaging

Systems, methods, apparatus, and computer-readable media for adapti...

Delay techniques in active noise cancellation circuits or other cir...

Extraction and analysis of buffered audio data using multiple codec...

Multi-stage liveness determination

Air/object determination for biometric sensors

Finger/non-finger determination for biometric sensors

Systems, methods, apparatus, and computer-readable media for adapti...

Optimizing audio processing functions by dynamically compensating f...

Multi-stage liveness determination

Image-based liveness detection for ultrasonic fingerprints

Layered filtering for biometric sensors

Electronic devices for controlling noise

Acoustic echo cancellation based on ultrasound motion detection

Systems, methods, apparatus, and computer-readable media for adapti...

Optimizing audio processing functions by dynamically compensating f...

Systems, methods, apparatus, and computer program products for enha...

Air/object determination for biometric sensors

Ultrasound mesh localization for interactive systems

Systems, methods, devices, apparatus, and computer program products...

Systems, methods, apparatus, and computer-readable media for spatia...

Integrated echo cancellation and noise suppression

Systems, methods, apparatus, and computer-readable media for adapti...

Systems, methods, and apparatus for detection of uncorrelated compo...

Systems, methods, and apparatus for multichannel signal amplitude b...

Audio source proximity estimation using sensor array for noise redu...

Systems, methods, and apparatus for signal separation using data dr...

Robust separation of speech signals in a noisy environment

Patents Applicationslast 30 patents

MODEL-BASED ITERATIVE RECONSTRUCTION FOR FINGERPRINT SCANNER

SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTI...

SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTI...

MULTI-STAGE LIVENESS DETERMINATION

MULTI-SPECTRAL ULTRASONIC IMAGING

SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTI...

Multi-Stage Liveness Determination

IMAGE-BASED LIVENESS DETECTION FOR ULTRASONIC FINGERPRINTS

FINGER/NON-FINGER DETERMINATION FOR BIOMETRIC SENSORS

LAYERED FILTERING FOR BIOMETRIC SENSORS

ULTRASOUND MESH LOCALIZATION FOR INTERACTIVE SYSTEMS

SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTI...

OPTIMIZING AUDIO PROCESSING FUNCTIONS BY DYNAMICALLY COMPENSATING F...

OPTIMIZING AUDIO PROCESSING FUNCTIONS BY DYNAMICALLY COMPENSATING F...

ACOUSTIC ECHO CANCELLATION BASED ON ULTRASOUND MOTION DETECTION

EXTRACTION AND ANALYSIS OF AUDIO FEATURE DATA

ELECTRONIC DEVICES FOR CONTROLLING NOISE

INTEGRATED ECHO CANCELLATION AND NOISE SUPPRESSION

SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR SPATIA...

SYSTEMS, METHODS, DEVICES, APPARATUS, AND COMPUTER PROGRAM PRODUCTS...

DELAY TECHNIQUES IN ACTIVE NOISE CANCELLATION CIRCUITS OR OTHER CIR...

SYSTEMS, METHODS, APPARATUS, AND COMPUTER PROGRAM PRODUCTS FOR ENHA...

AUDIO SOURCE PROXIMITY ESTIMATION USING SENSOR ARRAY FOR NOISE REDU...

SYSTEMS, METHODS, AND APPARATUS FOR DETECTION OF UNCORRELATED COMPO...

SYSTEMS, METHODS, AND APPARATUS FOR MULTICHANNEL SIGNAL BALANCING

SYSTEMS, METHODS, AND APPARATUS FOR SIGNAL SEPARATION

System and Method for Spectral Analysis

Robust separation of speech signals in a noisy environment