% Expired Patents = 37.5

Forward Citations = 43

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6 inventors (with patents filed for the assignee):

Rajan K Vempati (8 out of 8 patents)

David Y Son (2 out of 13 patents)

Ramesh S Hegde (2 out of 2 patents)

4. Edward R Biehl (1 out of 7 patents)

5. Gajanan S Bhat (1 out of 3 patents)

6. John J Sloan (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8163036 - Nanophase Mn(VII) oxide (NM70) and nanophase Mn(III) oxide (NM30) incorporated nonwovens (2012-04-24),

2. 8084662 - Method for degrading chemical warfare agents using Mn(VII) oxide with-and-without solid support (2011-12-27),

3. 8034147 - Complete plant growth medium (2011-10-11),

4. 6953763 - Solid support stabilized Mn(III) and Mn(VII) and method of preparation (2005-10-11),

5. 6921732 - Method of manufacturing a coated zeolite adsorbent (2005-07-26),

6. 6790363 - Method of treating arsenic-contaminated waters (2004-09-14),

7. 6444186 - Composition and method of forming low-carbon, amorphous siliceous ash from siliceous waste material (2002-09-03),

8. 6368571 - ZSM-5 made from siliceous ash (2002-04-09),

Company Overview

CHK Group, Inc. is a leading provider of software solutions for the financial industry. With a focus on innovation and client satisfaction, we deliver cutting-edge technology to help our clients succeed in a rapidly changing market. Our comprehensive suite of products includes risk management, trading platforms, and data analytics tools. Partner with CHK Group, Inc. to take your financial services to the next level.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

8 Patents

#107 in Plano, TX

#2,278 in Texas

#35,893 in US

Plano, TX, United States of America

Chk Group, Inc.

Forward Citations = 43

6 inventors:

Rajan K Vempati (8 out of 8 patents)

David Y Son (2 out of 13 patents)

Ramesh S Hegde (2 out of 2 patents)

4. Edward R Biehl (1 out of 7 patents)

5. Gajanan S Bhat (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chk Group, Inc.. Retrieved from https://idiyas.com/company/chk-group

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]