Crrc Qiqihar Rolling Stock Co., Ltd.

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 0

Loading Chart...

9 inventors (with patents filed for the assignee):

Yingjun Cui (1 out of 6 patents)

Qingmin Meng (1 out of 8 patents)

Yi Xu (1 out of 1 patent)

4. Mingdong Wang (1 out of 1 patent)

5. Shiliang Fan (1 out of 1 patent)

6. Pengdi Jin (1 out of 1 patent)

7. Yan Wang (1 out of 1 patent)

8. Mingyu Wei (1 out of 1 patent)

9. Lidong He (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12780168 - Emergency valve having emergency accelerated release function (2026-11-03),

2. 12673523 - Coupler and vehicle with coupler (2026-07-07),

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#2 in Qiqihar

#11,673 in China

Qiqihar, China

Crrc Qiqihar Rolling Stock Co., Ltd.

Forward Citations = 0

9 inventors:

Yingjun Cui (1 out of 6 patents)

Qingmin Meng (1 out of 8 patents)

Yi Xu (1 out of 1 patent)

4. Mingdong Wang (1 out of 1 patent)

5. Shiliang Fan (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Crrc Qiqihar Rolling Stock Co., Ltd.. Retrieved from https://idiyas.com/company/crrc-qiqihar-rolling-stock

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]