Sheng-Yu Liu (3 out of 39 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
3 Patents
#35 in Rancho Cucamonga, CA
#16,875 in California
#73,926 in US
Free-free(usa) Inc
Forward Citations = 88
1 inventor:
Rancho Cucamonga, CA, United States of America
Free-free(usa) Inc
Calculating rank
Trademarks = 2
Forward Citations = 88
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1 inventor (with patents filed for the assignee):
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Free-free(usa) Inc. Retrieved from https://idiyas.com/company/free-free-usa
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]