YL

Yankun Li

CC Crrc Qingdao Sifang Co.: 1 patents #13 of 60Top 25%
Overall (2021): #97,549 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11052774 Rail transit braking energy recovery system and hybrid power rail transit Xu Zhang, Jianying LIANG, Xiaojun Deng, Kelei Li, Wenchao Zhang 2021-07-06
10889910 Boron-containing low-carbon steel oxide film and preparation method thereof Minfang Chen, Chen You, Haifeng Liu 2021-01-12