Robert W Kempster (1 out of 4 patents)
John H Weaver (1 out of 1 patent)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#1 in Carleton Place, CA
#21,028 in California
#94,953 in US
Leigh Instruments Limited
Forward Citations = 11
2 inventors:
Carleton Place, CA, United States of America
Leigh Instruments Limited
Calculating rank
Forward Citations = 11
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2 inventors (with patents filed for the assignee):
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Leigh Instruments Limited. Retrieved from https://idiyas.com/company/leigh-instruments
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]