% Expired Patents = 40.0

Forward Citations = 247

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2 inventors (with patents filed for the assignee):

James J Cowan (4 out of 18 patents)

Douglas S Hobbs (4 out of 12 patents)

5 patents: Sort by Forward Citations

1. 8187481 - Random texture anti-reflection optical surface treatment (2012-05-29),

2. 7304775 - Actively stabilized, single input beam, interference lithography system and method (2007-12-04),

3. 6870624 - Optical wavelength resonant device for chemical sensing (2005-03-22),

4. 6791757 - Optical device for filtering and sensing (2004-09-14),

5. 6707518 - Electro-optic device allowing wavelength tuning (2004-03-16),

Company Overview

Coho Holdings, LLC is a leading investment firm specializing in strategic acquisitions and management of middle-market companies. With a focus on long-term value creation, Coho Holdings partners with established businesses to drive growth, enhance operational efficiency, and maximize profitability. Through a disciplined approach to investment and a commitment to sustainable business practices, Coho Holdings has built a diverse portfolio of successful ventures across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#68 in Burlington, MA

#2,894 in Massachusetts

#51,620 in US

Burlington, MA, United States of America

Coho Holdings, LLC

Forward Citations = 247

2 inventors:

James J Cowan (4 out of 18 patents)

Douglas S Hobbs (4 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Coho Holdings, LLC. Retrieved from https://idiyas.com/company/coho-holdings

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]