For the Inventor, By the Inventor

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Milpitas, CA, United States of America

Digital Radio Express, Inc.

USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 143

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1 inventor (with patents filed for the assignee):

Derek D Kumar (3 out of 19 patents)

3 patents: Sort by Forward Citations

1. 7046694 - In-band on-channel digital broadcasting method and system (2006-05-16),

2. 6351500 - AM- compatible digital broadcasting method and system (2002-02-26),

3. 6246698 - In-band on-channel digital broadcasting method and system (2001-06-12),

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#167 in Milpitas, CA

#16,847 in California

#73,815 in US

Milpitas, CA, United States of America

Digital Radio Express, Inc.

Forward Citations = 143

1 inventor:

Derek D Kumar (3 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Digital Radio Express, Inc.. Retrieved from https://idiyas.com/company/digital-radio-express

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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