EPO Patents = 4

Forward Citations = 4

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15 inventors (with patents filed for the assignee):

Fei Ma (1 out of 2 patents)

Minggang Li (1 out of 3 patents)

Jibo Liu (1 out of 2 patents)

4. Hui Liu (1 out of 16 patents)

5. Lipeng Shao (1 out of 3 patents)

6. Kai Chen (1 out of 7 patents)

7. Hui Ding (1 out of 4 patents)

8. Minghai Wang (1 out of 4 patents)

9. Jie Yang (1 out of 7 patents)

10. Xiaodong Xing (1 out of 2 patents)

11. Xingtian Zhang (1 out of 1 patent)

12. Zhenggang Xu (1 out of 1 patent)

13. Fenggang Liu (1 out of 1 patent)

14. Jie Chen (1 out of 2 patents)

15. Yuanfeng Pang (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 9919721 - Front suspension system having overload protection (2018-03-20),

2. 9016209 - Transverse adjustment mechanism for bilateral half-spring type load-carrying head (2015-04-28),

3. 8418862 - Semi-permanent vehicle coupler for light rail (2013-04-16),

4. 8230730 - Comprehensive test bed for vehicle body (2012-07-31),

Qingdao Sifang Rolling Stock Research Institute Co., Ltd. is a leading Chinese company specializing in research and development of railway rolling stock. With a rich history and expertise in the field, the company is known for producing high-quality trains and locomotives that meet international standards. Their innovative approach and cutting-edge technology have earned them a reputation as a trusted partner in the railway industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#59 in Shandong

#5,549 in China

Shandong, China

Qingdao Sifang Rolling Stock Research Institute Co., Ltd.