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Milpitas, CA, United States of America

Sigma Designs, Inc.

USPTO Granted Patents = 62

% Expired Patents = 11.3

Trademarks = 1

Forward Citations = 1,168

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48 inventors (with patents filed for the assignee):

Julien Tan Nguyen (12 out of 33 patents)

Yann Le Cornec (9 out of 9 patents)

Niels Thybo Johansen (7 out of 12 patents)

4. Catherine A French (7 out of 7 patents)

5. Peter Shorty (5 out of 7 patents)

6. Michael Ignaszewski (5 out of 5 patents)

7. Alain Doreau (5 out of 5 patents)

8. Hung C Nguyen (5 out of 27 patents)

9. Jayesh Desai (4 out of 4 patents)

10. Ruoyang Lu (4 out of 4 patents)

11. Mark Hsu (4 out of 5 patents)

12. Jacob Midtgaard (3 out of 15 patents)

13. Tommas Jess Christensen (3 out of 6 patents)

14. Xiaoping Hu (3 out of 28 patents)

15. Hitoshi Watanabe (3 out of 9 patents)

Core Competencies:

Video Compression

Mesh Networking

Digital Signal Processing

Audio Enhancement

Wireless Communication

Quantization Error

Frame Rate Conversion

Graphics Overlay

UWB Technology

Data Synchronization

Automatic Calibration

Peer-to-Peer Networking

62 patents: Sort by Forward Citations

1. 9954692 - Method for triggered activation of an actuator (2018-04-24),

2. 9166812 - Home electrical device control within a wireless mesh network (2015-10-20),

3. 9066099 - Methods for efficient implementation of skip/direct modes in digital video compression algorithms (2015-06-23),

4. 9001653 - Node repair in a mesh network (2015-04-07),

5. 8811735 - System and method for scalar quantization error reduction (2014-08-19),

6. 8754792 - System and method for fixed rate entropy coded scalar quantization (2014-06-17),

7. 8649436 - Methods for efficient implementation of skip/direct modes in digital video compression algorithms (2014-02-11),

8. 8582431 - Node repair in a mesh network (2013-11-12),

9. 8484515 - Methods and systems for monitoring quality of a video/audio playback device (2013-07-09),

10. 8300652 - Dynamically enabling a secondary channel in a mesh network (2012-10-30),

11. 8238492 - Method and apparatus for packet detection via cross-correlation in the presence of frequency offset (2012-08-07),

12. 8223783 - Using battery-powered nodes in a mesh network (2012-07-17),

13. 8219705 - Silent acknowledgement of routing in a mesh network (2012-07-10),

14. 8194569 - Static update controller enablement in a mesh network (2012-06-05),

15. 8159615 - System and method of geometrical predistortion of overlaying graphics sources (2012-04-17),

Company Overview

Sigma Designs, Inc. is a prominent player in the field of video compression technology, specializing in innovative solutions that enhance digital media experiences. The company focuses on developing advanced technologies such as mesh networking, digital signal processing, and audio enhancement, which are integral to modern wireless communication systems. With a strong emphasis on improving video quality and efficiency, Sigma Designs plays a crucial role in shaping the future of multimedia applications across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

62 Patents

#39 in Milpitas, CA

#1,368 in California

#5,845 in US

#11,768 in the World

Milpitas, CA, United States of America

Sigma Designs, Inc.

Forward Citations = 1,168

48 inventors:

Julien Tan Nguyen (12 out of 33 patents)

Yann Le Cornec (9 out of 9 patents)

Niels Thybo Johansen (7 out of 12 patents)

4. Catherine A French (7 out of 7 patents)

5. Peter Shorty (5 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sigma Designs, Inc.. Retrieved from https://idiyas.com/company/sigma-designs

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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