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Crrc Zhuzhou Electric Locomotive Research Institute Co., Ltd.

USPTO Granted Patents = 8

EPO Patents = 3

Forward Citations = 5

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57 inventors (with patents filed for the assignee):

Jianghua Feng (6 out of 12 patents)

Gaohua Chen (3 out of 4 patents)

Yuliang Wen (3 out of 6 patents)

4. Tairan Zhang (2 out of 2 patents)

5. Jing Shang (2 out of 8 patents)

6. Xiong Liu (2 out of 9 patents)

7. Junfeng Xu (2 out of 7 patents)

8. Chaoyang Zhang (2 out of 4 patents)

9. Lei Xiao (2 out of 3 patents)

10. Yaping He (2 out of 5 patents)

11. Rongjun Ding (2 out of 3 patents)

12. Wenqing Mei (2 out of 3 patents)

13. Jie Jiang (1 out of 3 patents)

14. Mina Taheri (1 out of 1 patent)

15. Qiang Fan (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 12448016 - Energy-saving control method for automatic train operation, and related device and readable storage medium (2025-10-21),

2. 11654945 - Safe and reliable method, device, and system for real-time speed measurement and continuous positioning (2023-05-23),

3. 11594889 - Optimized energy interconnection system for urban railway train (2023-02-28),

4. 11427085 - Long stator power supply section and long stator linear motor for maglev train (2022-08-30),

5. 11252630 - Rail transit communication method and system (2022-02-15),

6. 10547382 - FSO communication system (2020-01-28),

7. 10374545 - Rotor temperature monitoring method and system for permanent magnet synchronous motor (2019-08-06),

8. 9837946 - Method and device for acquiring rotor position based on permanent magnet synchronous drive system (2017-12-05),

CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd. (ZELRI) is a leading Chinese company specializing in the research, development, and manufacturing of electric locomotives. With a strong focus on innovation and sustainability, ZELRI is dedicated to providing high-quality solutions for the rail transportation industry.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#10 in Hunan

#3,030 in China

Crrc Zhuzhou Electric Locomotive Research Institute Co., Ltd.

Forward Citations = 5

57 inventors:

Jianghua Feng (6 out of 12 patents)

Gaohua Chen (3 out of 4 patents)

Yuliang Wen (3 out of 6 patents)

4. Tairan Zhang (2 out of 2 patents)

5. Jing Shang (2 out of 8 patents)

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