% Expired Patents = 100.0

Forward Citations = 10

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6 inventors (with patents filed for the assignee):

James G Shanahan (4 out of 20 patents)

David A Evans (4 out of 24 patents)

Norbert Roma (2 out of 4 patents)

4. Victor M Sheftel (2 out of 2 patents)

5. Jeffrey Bennett (2 out of 2 patents)

6. Jesse Montgomery (2 out of 2 patents)

4 patents: Sort by Forward Citations

1. 7949644 - Method and apparatus for constructing a compact similarity structure and for using the same in analyzing document relevance (2011-05-24),

2. 7472131 - Method and apparatus for constructing a compact similarity structure and for using the same in analyzing document relevance (2008-12-30),

3. 7426509 - Method and apparatus for document filtering using ensemble filters (2008-09-16),

4. 7398269 - Method and apparatus for document filtering using ensemble filters (2008-07-08),

Company Overview

Justsystems Evans Research, Inc. is a leading provider of information management solutions for businesses. With a focus on research and technology, the company offers innovative products and services to help companies maximize efficiency and productivity. Their expertise includes data analytics, document management, and collaboration tools.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#314 in Pittsburgh, PA

#2,214 in Pennsylvania

#60,671 in US

Pittsburgh, PA, United States of America

Justsystems Evans Research, Inc.

Forward Citations = 10

6 inventors:

James G Shanahan (4 out of 20 patents)

David A Evans (4 out of 24 patents)

Norbert Roma (2 out of 4 patents)

4. Victor M Sheftel (2 out of 2 patents)

5. Jeffrey Bennett (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Justsystems Evans Research, Inc.. Retrieved from https://idiyas.com/company/justsystems-evans-research

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]