Forward Citations = 73

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6 inventors (with patents filed for the assignee):

Stephen B Friedman (3 out of 9 patents)

Patrick D Mize (2 out of 14 patents)

Thomas N Stewart (1 out of 9 patents)

4. James P Mapes (1 out of 10 patents)

5. William B Studabaker (1 out of 4 patents)

6. Randy L Allen (1 out of 6 patents)

4 patents: Sort by Forward Citations

1. 5874216 - Indirect label assay device for detecting small molecules and method of (1999-02-23),

2. 5679574 - Quantitative test for oils, crude oil, hydrocarbon, or other (1997-10-21),

3. 5618681 - Polyaromatic hydrocarbon (PAH) immunoassay method, its components and a (1997-04-08),

4. 5547877 - Methods for the rapid detection of toxic halogenated hydrocarbons and (1996-08-20),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#55 in Research Triangle Park, NC

#1,297 in North Carolina

#60,671 in US

Research Triangle Park, NC, United States of America

Ensys Environmental Products, Inc.

Forward Citations = 73

6 inventors:

Stephen B Friedman (3 out of 9 patents)

Patrick D Mize (2 out of 14 patents)

Thomas N Stewart (1 out of 9 patents)

4. James P Mapes (1 out of 10 patents)

5. William B Studabaker (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ensys Environmental Products, Inc.. Retrieved from https://idiyas.com/company/ensys-environmental-products

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]