Hung-Chang Chien (1 out of 26 patents)
Jianjun Yu (1 out of 87 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#187 in Richardson, TX
#9,255 in Texas
#136,919 in US
Ztb (USA) Inc.
Forward Citations = 2
2 inventors:
Richardson, TX, United States of America
Ztb (USA) Inc.
% Expired Patents = 100.0
Forward Citations = 2
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ztb (USA) Inc.. Retrieved from https://idiyas.com/company/ztb-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]