Inventor · disambiguated record
Kwokleung Chan
Also filed as: CHAN KWOKLEUNG
31 granted patents·3 pending applications·843 citations·filing 2004–2025
97Inventor score
Top patents by PatentIndex Score
34 records- 0197US9659558B2Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellationQUALCOMM INC·Filed 2016·Granted May 23, 2017·17 cites·23 claims
- 0296US9665763B2Finger/non-finger determination for biometric sensorsQUALCOMM INC·Filed 2014·Granted May 30, 2017·65 cites·29 claims
- 0396US9633269B2Image-based liveness detection for ultrasonic fingerprintsQUALCOMM INC·Filed 2015·Granted Apr 25, 2017·26 cites·28 claims
- 0496US9582705B2Layered filtering for biometric sensorsQUALCOMM INC·Filed 2014·Granted Feb 28, 2017·56 cites·34 claims
- 0596US9195879B1Air/object determination for biometric sensorsQUALCOMM INC·Filed 2014·Granted Nov 24, 2015·45 cites·34 claims
- 0696US9053697B2Systems, methods, devices, apparatus, and computer program products for audio equalizationPARK HYUN JIN·Filed 2011·Granted Jun 9, 2015·91 cites·44 claims
- 0796US8737636B2Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellationPARK HYUN JIN·Filed 2010·Granted May 27, 2014·37 cites·53 claims
- 0896US7464029B2Robust separation of speech signals in a noisy environmentQUALCOMM INC·Filed 2005·Granted Dec 9, 2008·164 cites·44 claims
- 0995US10347233B2Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellationQUALCOMM INC·Filed 2017·Granted Jul 9, 2019·10 cites·137 claims
- 1095US9361872B2Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellationQUALCOMM INC·Filed 2014·Granted Jun 7, 2016·23 cites·30 claims
- 1195US9037458B2Systems, methods, apparatus, and computer-readable media for spatially selective audio augmentationPARK HYUN JIN·Filed 2012·Granted May 19, 2015·85 cites·48 claims
- 1295US8160273B2Systems, methods, and apparatus for signal separation using data driven techniquesVISSER ERIK·Filed 2008·Granted Apr 17, 2012·68 cites·71 claims
- 1394US8811601B2Integrated echo cancellation and noise suppressionMOHAMMAD ASIF I·Filed 2011·Granted Aug 19, 2014·43 cites·40 claims
- 1493US9639765B2Multi-stage liveness determinationQUALCOMM INC·Filed 2015·Granted May 2, 2017·11 cites·22 claims
- 1591US8218397B2Audio source proximity estimation using sensor array for noise reductionCHAN KWOKLEUNG·Filed 2009·Granted Jul 10, 2012·35 cites·33 claims
- 1688US9911184B2Air/object determination for biometric sensorsQUALCOMM INC·Filed 2015·Granted Mar 6, 2018·6 cites·27 claims
- 1784US9129515B2Ultrasound mesh localization for interactive systemsQUALCOMM INC·Filed 2013·Granted Sep 8, 2015·10 cites·29 claims
- 1883US9953233B2Multi-stage liveness determinationQUALCOMM INC·Filed 2017·Granted Apr 24, 2018·3 cites·28 claims
- 1983US8321214B2Systems, methods, and apparatus for multichannel signal amplitude balancingCHAN KWOKLEUNG·Filed 2009·Granted Nov 27, 2012·13 cites·38 claims
- 2081US10503948B2Multi-spectral ultrasonic imagingQUALCOMM INC·Filed 2015·Granted Dec 10, 2019·5 cites·13 claims
- 2181US9232071B2Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile deviceQUALCOMM INC·Filed 2012·Granted Jan 5, 2016·7 cites·47 claims
- 2280US9202455B2Systems, methods, apparatus, and computer program products for enhanced active noise cancellationPARK HYUN JIN·Filed 2009·Granted Dec 1, 2015·10 cites·54 claims
- 2377US12450940B1Image enhancement for fingerprint sensor deployed in a flexible deviceQUALCOMM INC·Filed 2024·Granted Oct 21, 2025·0 cites·20 claims
- 2477US11062689B2Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellationQUALCOMM INC·Filed 2019·Granted Jul 13, 2021·1 cites·27 claims
- 2573US9363386B2Acoustic echo cancellation based on ultrasound motion detectionLI REN·Filed 2012·Granted Jun 7, 2016·3 cites·25 claims
- 2668US9992745B2Extraction and analysis of buffered audio data using multiple codec rates each greater than a low-power processor rateHWANG KYU WOONG·Filed 2012·Granted Jun 5, 2018·4 cites·44 claims
- 2766US12243347B1Image compensation for fingerprint sensor deployed in a flexible deviceQUALCOMM INC·Filed 2023·Granted Mar 4, 2025·0 cites·30 claims
- 2864US9654609B2Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in an accessory deviceQUALCOMM INC·Filed 2012·Granted May 16, 2017·2 cites·44 claims
- 2962US8391507B2Systems, methods, and apparatus for detection of uncorrelated componentCHAN KWOKLEUNG·Filed 2008·Granted Mar 5, 2013·2 cites·33 claims
- 3057US10115386B2Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficientsCHAN KWOKLEUNG·Filed 2009·Granted Oct 30, 2018·1 cites·37 claims
- 3151US2025280237A1Audio enabled device using multiple acoustic portsQUALCOMM INC·Filed 2025·Application pending·0 cites
- 3250US2021232801A1Model-based iterative reconstruction for fingerprint scannerQUALCOMM INC·Filed 2020·Application pending·0 cites
- 3345US2009001262A1System and Method for Spectral AnalysisVISSER ERIK·Filed 2004·Application pending·0 cites
- 3444US9495952B2Electronic devices for controlling noisePARK HYUN JIN·Filed 2012·Granted Nov 15, 2016·0 cites·42 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →