Forward Citations = 1

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56 inventors (with patents filed for the assignee):

Rui Zhang (1 out of 56 patents)

Hongwei Zhang (1 out of 16 patents)

Dong Zhang (1 out of 32 patents)

4. Yihong Wu (1 out of 3 patents)

5. Hongqi Ma (1 out of 1 patent)

6. Yaan Hu (1 out of 1 patent)

7. Zongliang Zhang (1 out of 1 patent)

8. Xianghua Yuan (1 out of 1 patent)

9. Zejiang Xiang (1 out of 1 patent)

10. Yongping Al (1 out of 1 patent)

11. Yimin Chuan (1 out of 1 patent)

12. Guanqun Nan (1 out of 1 patent)

13. Rui Zou (1 out of 1 patent)

14. Zhaoxin Chen (1 out of 1 patent)

15. Xiaolin Hu (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12650076 - Active control method and device for large deformation of deep thin-bedded surrounding rock (2026-06-09),

2. 12404772 - Zonal bolt-grouting support device and method for cataclastic rock mass large deformation of high-stress tunnel (2025-09-02),

3. 10538890 - Hydraulic ship lift with anti-overturning capability and method for using the same (2020-01-21),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#10 in Kunming

#8,312 in China

Kunming, China

Power China Kunming Engineering Corporation Limited

Forward Citations = 1

56 inventors:

Rui Zhang (1 out of 56 patents)

Hongwei Zhang (1 out of 16 patents)

Dong Zhang (1 out of 32 patents)

4. Yihong Wu (1 out of 3 patents)

5. Hongqi Ma (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Power China Kunming Engineering Corporation Limited. Retrieved from https://idiyas.com/company/power-china-kunming-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]