For the Inventor, By the Inventor

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Redmond, WA, United States of America

Quadtek, Inc.

USPTO Granted Patents = 3

Trademarks = 4

Forward Citations = 362

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1 inventor (with patents filed for the assignee):

Richard Keith James (3 out of 10 patents)

3 patents: Sort by Forward Citations

1. 5219226 - Imaging and temperature monitoring system (1993-06-15),

2. 5109277 - System for generating temperature images with corresponding absolute (1992-04-28),

3. 4814868 - Apparatus and method for imaging and counting moving particles (1989-03-21),

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USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#129 in Redmond, WA

#1,812 in Washington

#73,904 in US

Redmond, WA, United States of America

Quadtek, Inc.

Forward Citations = 362

1 inventor:

Richard Keith James (3 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Quadtek, Inc.. Retrieved from https://idiyas.com/company/quadtek

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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