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USPTO Data Jan 1 1976 - Oct 6 2026
3 Patents
#297 in Montreal
#4,368 in Canada
Limca Research Inc.
Forward Citations = 45
4 inventors:
Limca Research Inc.
% Expired Patents = 33.3
Forward Citations = 45
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4 inventors (with patents filed for the assignee):
Don Allen Doutre (2 out of 15 patents)
Roderick I Guthrie (2 out of 3 patents)
Roderick I L Guthrie (1 out of 1 patent)
4. Mei Li (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Limca Research Inc.. Retrieved from https://idiyas.com/company/limca-research
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]