Forward Citations = 17

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5 inventors (with patents filed for the assignee):

Zbynek Ryzi (1 out of 8 patents)

David Edwin Ventola (1 out of 2 patents)

Peter A Davison (1 out of 1 patent)

4. Thomas P Grennan (1 out of 1 patent)

5. David M O'Brien (1 out of 1 patent)

2 patents: Sort by Forward Citations

#25 in Littleton, MA

#4,931 in Massachusetts

#94,905 in US

Optometrics Corporation

Forward Citations = 17

5 inventors:

Zbynek Ryzi (1 out of 8 patents)

David Edwin Ventola (1 out of 2 patents)

Peter A Davison (1 out of 1 patent)

4. Thomas P Grennan (1 out of 1 patent)

5. David M O'Brien (1 out of 1 patent)

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

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]