Kwokleung Chan

This inventor holds 33 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 7 EPO patents, primarily in Biometric Sensors. Top assignees: Qualcomm Incorporated, Other. Active years: 2008-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kwokleung Chan. Retrieved from https://idiyas.com/inventor/kwokleung-chan

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 33 (Patent Applications = 3)

% Patents Active = 69.7

CIPO Patents = 1

EPO Patents = 7 (Patent Applications = 16)

Average Co-Inventor Count = 3.5

ph-index = 14

Forward Citations = 761(Granted Patents)

Location History:

San Jose, CA (US) (2015 - 2017)
San Digeo, CA (US) (2018)
San Diego, CA (US) (2008 - 2019)
Sunnyvale, CA (US) (2017 - 2021)

Company Filing History:

32 out of 44,831

Qualcomm Incorporated

patents

1 out of 834,453

Other

patents

Years Active: 2008-2026

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Areas of Expertise:

Fingerprint Sensor

Noise Cancellation

Image Enhancement

Biometric Detection

Audio Processing

Liveness Detection

Acoustic Echo

Ultrasonic Imaging

Multi-Spectral

Signal Separation

Proximity Estimation

Layered Filtering

33 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12632149 - Ultrasonic fingerprint sensor configuration based on A-line data (2026-05-19),

2. 12536839 - Unified enrollment for devices with multiple fingerprint sensors (2026-01-27),

3. 12450940 - Image enhancement for fingerprint sensor deployed in a flexible device (2025-10-21),

4. 12243347 - Image compensation for fingerprint sensor deployed in a flexible device (2025-03-04),

5. 11062689 - Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation (2021-07-13),

6. 10503948 - Multi-spectral ultrasonic imaging (2019-12-10),

7. 10347233 - Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation (2019-07-09),

8. 10115386 - Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients (2018-10-30),

9. 9992745 - Extraction and analysis of buffered audio data using multiple codec rates each greater than a low-power processor rate (2018-06-05),

10. 9953233 - Multi-stage liveness determination (2018-04-24),

11. 9911184 - Air/object determination for biometric sensors (2018-03-06),

12. 9665763 - Finger/non-finger determination for biometric sensors (2017-05-30),

13. 9659558 - Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation (2017-05-23),

14. 9654609 - Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in an accessory device (2017-05-16),

15. 9639765 - Multi-stage liveness determination (2017-05-02),

Title: The Innovative Contributions of Kwokleung Chan

Introduction: Kwokleung Chan, based in San Diego, California, is a prolific inventor with an impressive portfolio of 30 patents. His work primarily focuses on cutting-edge technologies, particularly in the fields of fingerprint sensing and noise cancellation.

Latest Patents: Among his latest innovations is a patent for "Image compensation for fingerprint sensor deployed in a flexible device." This invention encompasses methods that involve receiving fingerprint image data alongside background image data from a fingerprint sensor, then determining processed fingerprint image data by subtracting the background image information. Notably, this method can also incorporate force data related to the pressure exerted on the fingerprint sensor when capturing the image data. By utilizing a machine learning model, his approach estimates residual noise based on the force data to enhance the accuracy of fingerprint recognition.

Another significant patent is related to "Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation." This novel apparatus utilizes a dual digital domain approach to filter and adaptively improve noise cancellation, showcasing Chan's commitment to innovation in audio technology.

Career Highlights: Kwokleung Chan's extensive career includes significant contributions while working at Qualcomm Incorporated, a company renowned for its advancements in semiconductor technology and telecommunications. His expertise and innovations have had a lasting impact within the company, contributing to various developments in consumer electronics.

Collaborations: Chan has collaborated with esteemed colleagues such as Hyun Jin Park and Ren Li, with whom he has shared insights and advanced technological research. These collaborations underscore the importance of teamwork in driving innovation.

Conclusion: Kwokleung Chan’s dedication to innovative solutions in fingerprint technology and noise cancellation underscores his status as a leading inventor in today's technology landscape. His substantial number of patents reflects his ongoing contributions and the influence he wields in shaping future technological advancements.

Profile summary based on public USPTO records.