For the Inventor, By the Inventor

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Redwood City, CA, United States of America

Liquid Audio, Inc.

Calculating rank

USPTO Granted Patents = 16

Trademarks = 1

Forward Citations = 2,905

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14 inventors (with patents filed for the assignee):

Earl I Levine (10 out of 16 patents)

Andrew R Cherenson (4 out of 10 patents)

Steven T Ansell (3 out of 12 patents)

4. Philip R Wiser (2 out of 13 patents)

5. Mark E Paley (1 out of 4 patents)

6. Bruce Schneier (1 out of 81 patents)

7. Susan A Cannon (1 out of 5 patents)

8. Jason S Brownell (1 out of 15 patents)

9. Steven B Katz (1 out of 1 patent)

10. John Michael Kelsey, Jr (1 out of 1 patent)

11. Tze-Yee Szeto (1 out of 1 patent)

12. Scott Nathan Levine (1 out of 3 patents)

13. Gerald W Kearby (1 out of 1 patent)

14. A Robert Modeste (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 6385596 - Secure online music distribution system (2002-05-07),

2. 6367019 - Copy security for portable music players (2002-04-02),

3. 6345100 - Robust watermark method and apparatus for digital signals (2002-02-05),

4. 6330675 - System and method for secure transfer of digital data to a local recordable storage medium (2001-12-11),

5. 6330673 - Determination of a best offset to detect an embedded pattern (2001-12-11),

6. 6320965 - Secure watermark method and apparatus for digital signals (2001-11-20),

7. 6266644 - Audio encoding apparatus and methods (2001-07-24),

8. 6219634 - Efficient watermark method and apparatus for digital signals (2001-04-17),

9. 6209094 - Robust watermark method and apparatus for digital signals (2001-03-27),

10. 6151631 - Territorial determination of remote computer location in a wide area (2000-11-21),

11. 6125348 - Lossless data compression with low complexity (2000-09-26),

12. 6121904 - Lossless data compression with low complexity (2000-09-19),

13. 6118392 - Lossless data compression with low complexity (2000-09-12),

14. 6043763 - Lossless data compression with low complexity (2000-03-28),

15. 6028541 - Lossless data compression with low complexity (2000-02-22),

Company Overview

Liquid Audio, Inc. is a technology company based in Redwood City, California, specializing in digital audio solutions. The organization focuses on developing innovative software and services that enhance the distribution and management of digital music content. With a strong emphasis on audio streaming and digital rights management, Liquid Audio aims to empower artists and content providers by offering tools that facilitate seamless access to music across various platforms. Their expertise lies in creating user-friendly interfaces and robust backend systems that support the evolving landscape of digital media.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

16 Patents

#112 in Redwood City, CA

#4,792 in California

#19,966 in US

#37,952 in the World

Redwood City, CA, United States of America

Liquid Audio, Inc.

Forward Citations = 2,905

14 inventors:

Earl I Levine (10 out of 16 patents)

Andrew R Cherenson (4 out of 10 patents)

Steven T Ansell (3 out of 12 patents)

4. Philip R Wiser (2 out of 13 patents)

5. Mark E Paley (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Liquid Audio, Inc.. Retrieved from https://idiyas.com/company/liquid-audio

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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