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For the Inventor, By the Inventor

Akron, OH, United States of America

The Hygenic Corporation

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 9.1



Trademarks = 4

Forward Citations = 167

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5 inventors (with patents filed for the assignee):

goldMedal John Riazi (8 out of 9 patents)

silverMedal April Bertram (1 out of 8 patents)

bronzeMedal David Cirjak (1 out of 12 patents)

4.  John Riaza (1 out of 1 patent)

5.  Jason Alan Crowell (1 out of 44 patents)

6.  Geoffrey Ryan (0 patent)


11 patents:

1. 8821352 - Myofascial roller wrap (2014-09-02),
2. 6436014 - Universal resistance cross-training system (2002-08-20),
3. 6084027 - Compressible polyurethane compositions having minimal tack and articles (2000-07-04),
4. 5807214 - Connector for securing an exercise member (1998-09-15),
5. 5798411 - Compressible polyurethane compositions having minimal tack and articles (1998-08-25),
6. 5674268 - Method for providing therapeutic heat treatment and kit for practice (1997-10-07),
7. 5104317 - Elastomeric cord for retaining a dental dam, cord dispenser and related (1992-04-14),
8. 4966952 - Thermoplastic polymer composition comprising trans 1,4-polyisoprene (1990-10-30),
9. 4882407 - Thermoplastic endodontic composition having improved melt flow index (1989-11-21),
10. 4766200 - Process for improving the melt flow index of thermoplastic polymers (1988-08-23),
11. 4632977 - Method of plasticizing thermoplastic polymers (1986-12-30),
Company Overview
The Hygenic Corporation, based in Akron, Ohio, specializes in the development and manufacturing of high-quality medical and therapeutic products. With a focus on innovative solutions, the company is known for its expertise in latex and non-latex rubber products, including therapeutic exercise bands and resistance training equipment. Hygenic's commitment to quality and safety positions it as a trusted partner in the healthcare and fitness industries, serving a diverse range of customers globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

11 Patents

#38 in Akron, OH

#1,144 in Ohio

#27,540 in US

#51,831 in the World

Akron, OH (US)
Akron, OH, United States of America

The Hygenic Corporation

Forward Citations = 167

5 inventors:

goldMedal John Riazi (8 out of 9 patents)

silverMedal April Bertram (1 out of 8 patents)

bronzeMedal David Cirjak (1 out of 12 patents)

4.  John Riaza (1 out of 1 patent)

5.  Jason Alan Crowell (1 out of 44 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Hygenic Corporation. Retrieved from https://idiyas.com/company/hygenic

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]
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