For the Inventor, By the Inventor

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Nashville, TN, United States of America

Landmark Digital Services LLC

USPTO Granted Patents = 12

% Expired Patents = 50.0

CIPO Patents = 1

Forward Citations = 1,761

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18 inventors (with patents filed for the assignee):

Avery Li-Chun Wang (10 out of 44 patents)

Julius O Smith (3 out of 28 patents)

Christopher Jacques Penrose Barton (3 out of 7 patents)

4. Philip Georges Inghelbrecht (3 out of 18 patents)

5. Dheeraj Shankar Mukherjee (3 out of 8 patents)

6. Darren P Briggs (3 out of 12 patents)

7. David L DeBusk (2 out of 4 patents)

8. Michael Karliner (1 out of 3 patents)

9. Jack Jenkins (1 out of 3 patents)

10. Paul P Griffin, Jr (1 out of 21 patents)

11. David A Gilbert (1 out of 4 patents)

12. Richard C Wardwell, Iii (1 out of 1 patent)

13. George Anderson Cook (1 out of 2 patents)

14. Richard Wing Cheong Tang (1 out of 1 patent)

15. Fredric I Graham (1 out of 3 patents)

12 patents: Sort by Forward Citations

1. 8453170 - System and method for monitoring and recognizing broadcast data (2013-05-28),

2. 8090579 - Automatic identification of repeated material in audio signals (2012-01-03),

3. 8015123 - Method and system for interacting with a user in an experiential environment (2011-09-06),

4. 7986913 - Method and apparatus for identificaton of broadcast source (2011-07-26),

5. 7865368 - System and methods for recognizing sound and music signals in high noise and distortion (2011-01-04),

6. 7853664 - Method and system for purchasing pre-recorded music (2010-12-14),

7. 7840177 - Device for monitoring multiple broadcast signals (2010-11-23),

8. 7739062 - Method of characterizing the overlap of two media segments (2010-06-15),

9. 7627477 - Robust and invariant audio pattern matching (2009-12-01),

10. 7359889 - Method and apparatus for automatically creating database for use in automated media recognition system (2008-04-15),

11. 7346512 - Methods for recognizing unknown media samples using characteristics of known media samples (2008-03-18),

12. 6990453 - System and methods for recognizing sound and music signals in high noise and distortion (2006-01-24),

Landmark Digital Services LLC is a leading provider of digital solutions for businesses. With a strong focus on delivering innovative and cost-effective services, Landmark helps companies optimize their online presence and drive growth. From website development and design to digital marketing strategies, Landmark offers comprehensive solutions tailored to meet the unique needs of each client. With a team of experienced professionals and a commitment to customer satisfaction, Landmark Digital Services LLC is your trusted partner for all your digital needs.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

12 Patents

#41 in Nashville, TN

#271 in Tennessee

#25,505 in US

#48,055 in the World

Nashville, TN, United States of America

Landmark Digital Services LLC

Forward Citations = 1,761

18 inventors:

Avery Li-Chun Wang (10 out of 44 patents)

Julius O Smith (3 out of 28 patents)

Christopher Jacques Penrose Barton (3 out of 7 patents)

4. Philip Georges Inghelbrecht (3 out of 18 patents)

5. Dheeraj Shankar Mukherjee (3 out of 8 patents)

Please report any incorrect information to [email protected]

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