YX

Yanfen Xu

📍 Qingdao, CN: #557 of 2,087 inventorsTop 30%
Overall (All Time): #1,933,479 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10246110 Heavy freight train marshalling device and marshalling method, and electronically controlled pneumatic brake system Shengcai Duan, Jing Zhao 2019-04-02
10056985 Broadband communication network architecture with train control network and train serving network combined, and communication method thereof Shijun Jiang, Shukun Xue 2018-08-21