Inventor
CHAN KWOKLEUNG
US32 patents
⚠️ This page may combine multiple inventors who share the name “CHAN KWOKLEUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
19 patentsUS7464029B2Dec 9, 2008
Robust separation of speech signals in a noisy environment
QUALCOMM INC164 citations98
US9665763B2May 30, 2017
Finger/non-finger determination for biometric sensors
QUALCOMM INC65 citations97
US9582705B2Feb 28, 2017
Layered filtering for biometric sensors
QUALCOMM INC56 citations97
US9195879B1Nov 24, 2015
Air/object determination for biometric sensors
QUALCOMM INC45 citations97
US9633269B2Apr 25, 2017
Image-based liveness detection for ultrasonic fingerprints
QUALCOMM INC26 citations93
US9659558B2May 23, 2017
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
QUALCOMM INC17 citations92
US9361872B2Jun 7, 2016
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
QUALCOMM INC23 citations92
US10347233B2Jul 9, 2019
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
QUALCOMM INC10 citations84
US9911184B2Mar 6, 2018
Air/object determination for biometric sensors
QUALCOMM INC6 citations84
US9639765B2May 2, 2017
Multi-stage liveness determination
QUALCOMM INC11 citations84
US9129515B2Sep 8, 2015
Ultrasound mesh localization for interactive systems
QUALCOMM INC10 citations84
US9232071B2Jan 5, 2016
Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device
QUALCOMM INC7 citations81
US11062689B2Jul 13, 2021
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
QUALCOMM INC1 citations73
US9953233B2Apr 24, 2018
Multi-stage liveness determination
QUALCOMM INC3 citations73
US10503948B2Dec 10, 2019
Multi-spectral ultrasonic imaging
QUALCOMM INC5 citations71
US9654609B2May 16, 2017
Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in an accessory device
QUALCOMM INC2 citations70
US12536839B2Jan 27, 2026
Unified enrollment for devices with multiple fingerprint sensors
QUALCOMM INC0 citations59
US12243347B1Mar 4, 2025
Image compensation for fingerprint sensor deployed in a flexible device
QUALCOMM INC0 citations58
US12450940B1Oct 21, 2025
Image enhancement for fingerprint sensor deployed in a flexible device
QUALCOMM INC0 citations56
PARK HYUN JIN
5 patentsUS9053697B2Jun 9, 2015
Systems, methods, devices, apparatus, and computer program products for audio equalization
PARK HYUN JIN91 citations97
US9037458B2May 19, 2015
Systems, methods, apparatus, and computer-readable media for spatially selective audio augmentation
PARK HYUN JIN85 citations97
US8737636B2May 27, 2014
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
PARK HYUN JIN37 citations97
US9202455B2Dec 1, 2015
Systems, methods, apparatus, and computer program products for enhanced active noise cancellation
PARK HYUN JIN10 citations84
US9495952B2Nov 15, 2016
Electronic devices for controlling noise
PARK HYUN JIN0 citations48
CHAN KWOKLEUNG
4 patentsUS8218397B2Jul 10, 2012
Audio source proximity estimation using sensor array for noise reduction
CHAN KWOKLEUNG35 citations92
US8321214B2Nov 27, 2012
Systems, methods, and apparatus for multichannel signal amplitude balancing
CHAN KWOKLEUNG13 citations83
US8391507B2Mar 5, 2013
Systems, methods, and apparatus for detection of uncorrelated component
CHAN KWOKLEUNG2 citations62
US10115386B2Oct 30, 2018
Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients
CHAN KWOKLEUNG1 citations51