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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#1,093 in London
#6,523 in United Kingdom
Optometric Technology Group Ltd.
Forward Citations = 35
3 inventors:
Optometric Technology Group Ltd.
% Expired Patents = 100.0
Forward Citations = 35
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3 inventors (with patents filed for the assignee):
Cecile Adrienne Maissa (2 out of 3 patents)
Michel Lucien Guillon (1 out of 1 patent)
Michel Guillon (1 out of 9 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Optometric Technology Group Ltd.. Retrieved from https://idiyas.com/company/optometric-technology-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]
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]
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]