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For the Inventor, By the Inventor

Nashville, TN, United States of America

Landmark Digital Services LLC

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 50.0


Forward Citations = 1,761

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18 inventors (with patents filed for the assignee):

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

silverMedal Julius O Smith (3 out of 28 patents)

bronzeMedal 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:

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),
Company Overview
Landmark Digital Services LLC, based in Nashville, TN, specializes in providing innovative digital solutions tailored to enhance business operations. The company focuses on developing advanced software applications and digital platforms that streamline processes and improve user engagement. With a commitment to leveraging cutting-edge technology, Landmark Digital Services aims to empower organizations across various sectors by optimizing their digital presence and operational efficiency.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

12 Patents

#43 in Nashville, TN

#274 in Tennessee

#25,639 in US

#48,334 in the World

Nashville, TN (US)
Nashville, TN, United States of America

Landmark Digital Services LLC

Forward Citations = 1,761

18 inventors:

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

silverMedal Julius O Smith (3 out of 28 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Landmark Digital Services LLC. Retrieved from https://idiyas.com/company/landmark-digital-services

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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