For the Inventor, By the Inventor

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China Railway Siyuan Survey and Design Group Co., Ltd.

USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 0

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21 inventors (with patents filed for the assignee):

Ling Ruan (1 out of 2 patents)

Jian Wang (1 out of 4 patents)

Zhichun Yang (1 out of 2 patents)

4. Zeyang Tang (1 out of 2 patents)

5. Yong Yao (1 out of 1 patent)

6. Shuang Chen (1 out of 1 patent)

7. Lingxiao Gao (1 out of 1 patent)

8. Zhi Tian (1 out of 1 patent)

9. Chao Cai (1 out of 1 patent)

10. Xiaoxun Deng (1 out of 1 patent)

11. Ling Qiu (1 out of 1 patent)

12. Zhou Ge (1 out of 1 patent)

13. Jian Chen (1 out of 5 patents)

14. Chengzhen Wang (1 out of 3 patents)

15. Shuchen Li (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 11927098 - Method and apparatus for controlling stratum deformation in shield construction process, and non-volatile storage medium (2024-03-12),

2. 11815564 - Method for analyzing correlation between rail transit and direct current (DC) magnetic bias of transformer (2023-11-14),

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USPTO Data Jan 1 1976 - Dec 2 2025

2 Patents

#96 in Wuhan

#9,913 in China

China Railway Siyuan Survey and Design Group Co., Ltd.

Forward Citations = 0

21 inventors:

Ling Ruan (1 out of 2 patents)

Jian Wang (1 out of 4 patents)

Zhichun Yang (1 out of 2 patents)

4. Zeyang Tang (1 out of 2 patents)

5. Yong Yao (1 out of 1 patent)

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