% Expired Patents = 50.0

Forward Citations = 43

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2 inventors (with patents filed for the assignee):

Darren Kenneth Rogers (2 out of 22 patents)

Janusz Wladyslaw Plucinski (2 out of 16 patents)

2 patents: Sort by Forward Citations

1. 6656239 - Blended pitch/coal based carbon foams (2003-12-02),

2. 6656238 - Coal-based carbon foam (2003-12-02),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#5 in Triadelphia, WV

#101 in West Virginia

#94,782 in US

Triadelphia, WV, United States of America

Touchstone Research Lab.

Forward Citations = 43

2 inventors:

Darren Kenneth Rogers (2 out of 22 patents)

Janusz Wladyslaw Plucinski (2 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Touchstone Research Lab.. Retrieved from https://idiyas.com/company/touchstone-research-lab

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]