This inventor holds 4 USPTO granted patents and 5 published patent applications. Top assignees: Beijing Baidu Netcom Science and Technology Co., Ltd., Baidu International Technology (Shenzhen) Co., Ltd., Beijing Baidu Netcom Science Technology Co., Ltd.. Active years: 2021-2026.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Liguo Duan. Retrieved from https://idiyas.com/inventor/liguo-duan
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
USPTO Granted Patents = 4 (Patent Applications = 5)
% Patents Active = 75.0
Average Co-Inventor Count = 2.4
ph-index = 1
Company Filing History:
3 out of 798 
Beijing Baidu Netcom Science and Technology Co., Ltd.
1 out of 5 Baidu International Technology (Shenzhen) Co., Ltd.
1 out of 100 Beijing Baidu Netcom Science Technology Co., Ltd.
where one patent can have more than one assignee
Years Active: 2021-2026
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4 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
5 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Liguo Duan. Retrieved from https://idiyas.com/inventor/liguo-duan
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]
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]
3 patents pending (EPO):
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]