Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#1,844 in Hong Kong
#18,836 in China
Espot Lighting Limited
Forward Citations = 6
3 inventors:
Espot Lighting Limited
Calculating rank
% Expired Patents = 100.0
Forward Citations = 6
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3 inventors (with patents filed for the assignee):
Chun Kai Leung (1 out of 7 patents)
Yin Ching Chau (1 out of 1 patent)
Wai Keung Lo (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Espot Lighting Limited. Retrieved from https://idiyas.com/company/espot-lighting
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]