For the Inventor, By the Inventor

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Redwood City, CA, United States of America

Liquid Audio, Inc.

USPTO Granted Patents = 16

Trademarks = 1

Forward Citations = 2,874

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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. Bruce Schneier (1 out of 81 patents)

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

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

8. Mark E Paley (1 out of 1 patent)

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

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

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

12. Jason S Brownell (1 out of 1 patent)

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),

Liquid Audio, Inc. is a leading provider of high-quality audio solutions. The company specializes in developing innovative audio technologies for various industries, including music production, streaming services, and consumer electronics. With a strong focus on quality and reliability, Liquid Audio has built a reputation for delivering exceptional audio experiences to its customers. Visit their website to learn more about their products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

16 Patents

#105 in Redwood City, CA

#4,620 in California

#19,271 in US

#36,634 in the World

Redwood City, CA, United States of America

Liquid Audio, Inc.

Forward Citations = 2,874

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. Bruce Schneier (1 out of 81 patents)

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