% Expired Patents = 75.0

Trademarks = 2

Forward Citations = 114

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3 inventors (with patents filed for the assignee):

Hisham Menkara (4 out of 9 patents)

Christopher Summers (4 out of 4 patents)

Brent Karl Wagner (2 out of 12 patents)

4 patents: Sort by Forward Citations

1. 7112921 - Light emitting device having selenium-based fluorescent phosphor (2006-09-26),

2. 7109648 - Light emitting device having thio-selenide fluorescent phosphor (2006-09-19),

3. 6987353 - Light emitting device having sulfoselenide fluorescent phosphor (2006-01-17),

4. 6982045 - Light emitting device having silicate fluorescent phosphor (2006-01-03),

Company Overview

Phosphortech Corporation is a leading provider of advanced materials and technologies for the lighting and display industries. With a focus on phosphor technology, the company develops innovative solutions for a wide range of applications. Their products are used in LED lighting, flat panel displays, and other electronic devices, delivering high performance and energy efficiency. Established in 2001, Phosphortech Corporation continues to drive innovation and excellence in the field of advanced materials.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#101 in Alpharetta, GA

#1,160 in Georgia

#60,597 in US

Alpharetta, GA, United States of America

Phosphortech Corporation

Forward Citations = 114

3 inventors:

Hisham Menkara (4 out of 9 patents)

Christopher Summers (4 out of 4 patents)

Brent Karl Wagner (2 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Phosphortech Corporation. Retrieved from https://idiyas.com/company/phosphortech

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]