% Expired Patents = 50.0

Forward Citations = 46

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10 inventors (with patents filed for the assignee):

Richard W Ryai (3 out of 24 patents)

William R Mutch (3 out of 26 patents)

Michael A Bass (2 out of 25 patents)

4. Randall A Porras (2 out of 17 patents)

5. Chester O D Thompson (1 out of 20 patents)

6. Thomas F Fiore (1 out of 7 patents)

7. Robert E Drake (1 out of 8 patents)

8. Michael Chipchak (1 out of 1 patent)

9. Jamie Peltz (1 out of 1 patent)

10. Kevin Shepard (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 9101990 - Key duplication machine (2015-08-11),

2. 8985918 - Key duplication machine (2015-03-24),

3. 8965794 - Retail identification and inventory system (2015-02-24),

4. 8585029 - Key clamping device (2013-11-19),

Company Overview

Hy-ko Products is a leading supplier of customizable signs, tags, and key accessories. With over 70 years of experience in the industry, Hy-ko offers a wide range of high-quality products for both residential and commercial use. Their innovative solutions and dedication to customer satisfaction have made them a trusted name in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#3 in Northfield, OH

#2,335 in Ohio

#60,671 in US

Northfield, OH, United States of America

Hy-Ko Products

Forward Citations = 46

10 inventors:

Richard W Ryai (3 out of 24 patents)

William R Mutch (3 out of 26 patents)

Michael A Bass (2 out of 25 patents)

4. Randall A Porras (2 out of 17 patents)

5. Chester O D Thompson (1 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hy-Ko Products. Retrieved from https://idiyas.com/company/hy-ko-products

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]