Trademarks = 6

Forward Citations = 4

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3 inventors (with patents filed for the assignee):

Douglas Neal Cogan (1 out of 19 patents)

Burkhardt T Hufnagel (1 out of 1 patent)

Yan Gu (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 5406280 - Data retrieval system using compression scheme especially for serial (1995-04-11),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

1 Patents

#8 in Riverwoods, IL

#6,195 in Illinois

#136,844 in US

Riverwoods, IL, United States of America

Commerce Clearing House

Forward Citations = 4

3 inventors:

Douglas Neal Cogan (1 out of 19 patents)

Burkhardt T Hufnagel (1 out of 1 patent)

Yan Gu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Commerce Clearing House. Retrieved from https://idiyas.com/company/commerce-clearing-house

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]