Yingwu Lian (1 out of 2 patents)
Anlun Tang (1 out of 3 patents)
Jonglip Choi (1 out of 1 patent)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#259 in Milpitas, CA
#29,056 in California
#136,919 in US
Weifour, Inc.
Forward Citations = 0
3 inventors:
Milpitas, CA, United States of America
Weifour, Inc.
% Expired Patents = 100.0
Forward Citations = 0
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3 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Weifour, Inc.. Retrieved from https://idiyas.com/company/weifour
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]