Forward Citations = 1

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42 inventors (with patents filed for the assignee):

Heng Zhou (2 out of 3 patents)

Zufeng Li (2 out of 4 patents)

Haixing Shang (2 out of 2 patents)

4. Zhixuan Miao (2 out of 2 patents)

5. Shuwen Yang (2 out of 4 patents)

6. Zhao Zhang (1 out of 1 patent)

7. Wei Liu (1 out of 2 patents)

8. Zuyu Chen (1 out of 2 patents)

9. Shu Yu (1 out of 2 patents)

10. Fan Yue (1 out of 2 patents)

11. Guangjun Yi (1 out of 1 patent)

12. Ruixue Li (1 out of 1 patent)

13. Gangyi Zhao (1 out of 1 patent)

14. ShengXue Ke (1 out of 1 patent)

15. Qun Zhang (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12404770 - Right-angle turning method for small-diameter TBM exploration adit excavation (2025-09-02),

2. 12379212 - Method and device for controlling engineering projection deformation (2025-08-05),

3. 12159385 - Method and system for monitoring and safety evaluation of dam body defect of check dam (2024-12-03),

4. 12025716 - GNSS emergency monitoring error suppression method for alpine canyon complex environment (2024-07-02),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#28 in Xi'an

#6,406 in China

Xi'an, China

Powerchina Northwest Engineering Corporation Limited

Forward Citations = 1

42 inventors:

Heng Zhou (2 out of 3 patents)

Zufeng Li (2 out of 4 patents)

Haixing Shang (2 out of 2 patents)

4. Zhixuan Miao (2 out of 2 patents)

5. Shuwen Yang (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Powerchina Northwest Engineering Corporation Limited. Retrieved from https://idiyas.com/company/powerchina-northwest-engineering

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]