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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#1,311 in Beijing
#18,742 in China
China Braille Press
Forward Citations = 3
6 inventors:
China Braille Press
% Expired Patents = 100.0
Forward Citations = 3
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6 inventors (with patents filed for the assignee):
Yang Yang (1 out of 104 patents)
Xin Chen (1 out of 37 patents)
Tianqi Wang (1 out of 4 patents)
4. Houjin Chen (1 out of 1 patent)
5. Meng Han (1 out of 1 patent)
6. Qilin You (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: China Braille Press. Retrieved from https://idiyas.com/company/china-braille-press
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]