Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#1,311 in Beijing
#18,742 in China
Beijing Efficiengine Technology LLC
Forward Citations = 0
5 inventors:
Beijing Efficiengine Technology LLC
% Expired Patents = 100.0
Forward Citations = 0
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5 inventors (with patents filed for the assignee):
Hong Li (1 out of 80 patents)
Qionglin Zheng (1 out of 1 patent)
Xiaofeng Yang (1 out of 5 patents)
4. Xiaojie You (1 out of 1 patent)
5. Ruixiang Hao (1 out of 2 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Beijing Efficiengine Technology LLC. Retrieved from https://idiyas.com/company/beijing-efficiengine-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]