CHAN; Kwokleung

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHAN; Kwokleung.The latest application filed is for "model-based iterative reconstruction for fingerprint scanner".

Company Profile

3.39.31

CHAN; Kwokleung - Sunnyvale CA
Chan; Kwokleung - San Diego CA
Chan; Kwokleung - San Digeo CA US
Chan; Kwokleung - San Jose CA

*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
Model-based Iterative Reconstruction For Fingerprint Scanner App 20210232801 - SIDDIQUI; Hasib ; et al.	2021-07-29
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation Grant 11,062,689 - Park , et al. July 13, 2	2021-07-13
Multi-spectral ultrasonic imaging Grant 10,503,948 - Kitchens, II , et al. Dec	2019-12-10
Systems, Methods, Apparatus, And Computer-readable Media For Adaptive Active Noise Cancellation App 20190272814 - PARK; Hyun Jin ; et al.	2019-09-05
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation Grant 10,347,233 - Park , et al. July 9, 2	2019-07-09
Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients Grant 10,115,386 - Chan , et al. October 30, 2	2018-10-30
Extraction and analysis of buffered audio data using multiple codec rates each greater than a low-power processor rate Grant 9,992,745 - Hwang , et al. June 5, 2	2018-06-05
Multi-stage liveness determination Grant 9,953,233 - Du , et al. April 24, 2	2018-04-24
Air/object determination for biometric sensors Grant 9,911,184 - Du , et al. March 6, 2	2018-03-06
Systems, Methods, Apparatus, And Computer-readable Media For Adaptive Active Noise Cancellation App 20170229110 - Park; Hyun Jin ; et al.	2017-08-10
Multi-stage Liveness Determination App 20170200054 - Du; Eliza Yingzi ; et al.	2017-07-13
Finger/non-finger determination for biometric sensors Grant 9,665,763 - Du , et al. May 30, 2	2017-05-30
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation Grant 9,659,558 - Park , et al. May 23, 2	2017-05-23
Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in an accessory device Grant 9,654,609 - Visser , et al. May 16, 2	2017-05-16
Multi-stage liveness determination Grant 9,639,765 - Du , et al. May 2, 2	2017-05-02
Image-based liveness detection for ultrasonic fingerprints Grant 9,633,269 - Gu , et al. April 25, 2	2017-04-25
Layered filtering for biometric sensors Grant 9,582,705 - Du , et al. February 28, 2	2017-02-28
Multi-spectral Ultrasonic Imaging App 20160350573 - Kitchens, II; Jack Conway ; et al.	2016-12-01
Electronic devices for controlling noise Grant 9,495,952 - Park , et al. November 15, 2	2016-11-15
Systems, Methods, Apparatus, And Computer-readable Media For Adaptive Active Noise Cancellation App 20160267900 - Park; Hyun Jin ; et al.	2016-09-15
Acoustic echo cancellation based on ultrasound motion detection Grant 9,363,386 - Li , et al. June 7, 2	2016-06-07
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation Grant 9,361,872 - Park , et al. June 7, 2	2016-06-07
Image-based Liveness Detection For Ultrasonic Fingerprints App 20160070968 - Gu; Jin ; et al.	2016-03-10
Multi-Stage Liveness Determination App 20160070967 - Du; Eliza Yingzi ; et al.	2016-03-10
Finger/non-finger Determination For Biometric Sensors App 20160063294 - Du; Eliza Yingzi ; et al.	2016-03-03
Layered Filtering For Biometric Sensors App 20160063300 - Du; Eliza Yingzi ; et al.	2016-03-03
Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device Grant 9,232,071 - Visser , et al. January 5, 2	2016-01-05
Systems, methods, apparatus, and computer program products for enhanced active noise cancellation Grant 9,202,455 - Park , et al. December 1, 2	2015-12-01
Air/object determination for biometric sensors Grant 9,195,879 - Du , et al. November 24, 2	2015-11-24
Ultrasound mesh localization for interactive systems Grant 9,129,515 - Xiang , et al. September 8, 2	2015-09-08
Systems, methods, devices, apparatus, and computer program products for audio equalization Grant 9,053,697 - Park , et al. June 9, 2	2015-06-09
Systems, methods, apparatus, and computer-readable media for spatially selective audio augmentation Grant 9,037,458 - Park , et al. May 19, 2	2015-05-19
Ultrasound Mesh Localization For Interactive Systems App 20140269212 - Xiang; Pei ; et al.	2014-09-18
Systems, Methods, Apparatus, And Computer-readable Media For Adaptive Active Noise Cancellation App 20140233750 - Park; Hyun Jin ; et al.	2014-08-21
Integrated echo cancellation and noise suppression Grant 8,811,601 - Mohammad , et al. August 19, 2	2014-08-19
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation Grant 8,737,636 - Park , et al. May 27, 2	2014-05-27
Optimizing Audio Processing Functions By Dynamically Compensating For Variable Distances Between Speaker(s) And Microphone(s) In A Mobile Device App 20130156209 - Visser; Erick ; et al.	2013-06-20
Optimizing Audio Processing Functions By Dynamically Compensating For Variable Distances Between Speaker(s) And Microphone(s) In An Accessory Device App 20130156207 - Visser; Erik ; et al.	2013-06-20
Acoustic Echo Cancellation Based On Ultrasound Motion Detection App 20130129102 - Li; Ren ; et al.	2013-05-23
Extraction And Analysis Of Audio Feature Data App 20130110521 - Hwang; Kyu Woong ; et al.	2013-05-02
Systems, methods, and apparatus for detection of uncorrelated component Grant 8,391,507 - Chan , et al. March 5, 2	2013-03-05
Electronic Devices For Controlling Noise App 20130039507 - Park; Hyun Jin ; et al.	2013-02-14
Systems, methods, and apparatus for multichannel signal amplitude balancing Grant 8,321,214 - Chan , et al. November 27, 2	2012-11-27
Integrated Echo Cancellation And Noise Suppression App 20120250882 - Mohammad; Asif I. ; et al.	2012-10-04
Systems, Methods, Apparatus, And Computer-readable Media For Spatially Selective Audio Augmentation App 20120215519 - Park; Hyun Jin ; et al.	2012-08-23
Audio source proximity estimation using sensor array for noise reduction Grant 8,218,397 - Chan July 10, 2	2012-07-10
Systems, methods, and apparatus for signal separation using data driven techniques Grant 8,160,273 - Visser , et al. April 17, 2	2012-04-17
Systems, Methods, Devices, Apparatus, And Computer Program Products For Audio Equalization App 20110293103 - Park; Hyun Jin ; et al.	2011-12-01
Delay Techniques In Active Noise Cancellation Circuits Or Other Circuits That Perform Filtering Of Decimated Coefficients App 20110116654 - Chan; Kwokleung ; et al.	2011-05-19
Systems, Methods, Apparatus, And Computer Program Products For Enhanced Active Noise Cancellation App 20100131269 - Park; Hyun Jin ; et al.	2010-05-27
Audio Source Proximity Estimation Using Sensor Array For Noise Reduction App 20100103776 - Chan; Kwokleung	2010-04-29
Systems, Methods, And Apparatus For Detection Of Uncorrelated Component App 20100046770 - Chan; Kwokleung ; et al.	2010-02-25
Systems, Methods, And Apparatus For Multichannel Signal Balancing App 20090299739 - Chan; Kwokleung ; et al.	2009-12-03
Systems, Methods, And Apparatus For Signal Separation App 20090022336 - Visser; Erik ; et al.	2009-01-22
System and Method for Spectral Analysis App 20090001262 - Visser; Erik ; et al.	2009-01-01
Robust separation of speech signals in a noisy environment Grant 7,464,029 - Visser , et al. December 9, 2	2008-12-09
Robust separation of speech signals in a noisy environment App 20070021958 - Visser; Erik ; et al.	2007-01-25

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