Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#6 in Bade
#6,134 in Taiwan
Changhwa Picture Tubes Ltd.
Forward Citations = 0
3 inventors:
Changhwa Picture Tubes Ltd.
% Expired Patents = 100.0
Forward Citations = 0
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3 inventors (with patents filed for the assignee):
Hung-Yu Wu (1 out of 6 patents)
Jan-Tian Lian (1 out of 9 patents)
Chun-Wei Su (1 out of 49 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Changhwa Picture Tubes Ltd.. Retrieved from https://idiyas.com/company/changhwa-picture-tubes
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]