Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,317 in Beijing
#18,808 in China
Beijing Duyou Information Technology Co., Ltd.
Forward Citations = 0
4 inventors:
Beijing Duyou Information Technology Co., Ltd.
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Lei Yuan (1 out of 7 patents)
Xing Dai (1 out of 5 patents)
Zonggui Sui (1 out of 1 patent)
4. Wengui Cai (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Beijing Duyou Information Technology Co., Ltd.. Retrieved from https://idiyas.com/company/beijing-duyou-information-technology
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]