Forward Citations = 10

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5 inventors (with patents filed for the assignee):

Shunqin Liang (1 out of 4 patents)

Li Siqin (1 out of 1 patent)

Gensheng Liu (1 out of 1 patent)

4. Men Xiaotang (1 out of 1 patent)

5. Xiaogong Zhang (1 out of 1 patent)

1 patent: Sort by Forward Citations

#1,311 in Beijing

#18,742 in China

Petrochina

Forward Citations = 10

5 inventors:

Shunqin Liang (1 out of 4 patents)

Li Siqin (1 out of 1 patent)

Gensheng Liu (1 out of 1 patent)

4. Men Xiaotang (1 out of 1 patent)

5. Xiaogong Zhang (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Petrochina. Retrieved from https://idiyas.com/company/petrochina

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]