QH

Qingjun Han

CC Crrc Qingdao Sifang Co.: 3 patents #26 of 309Top 9%
📍 Qingdao, CN: #389 of 2,087 inventorsTop 20%
Overall (All Time): #1,439,425 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11125006 Method, system and device for controlling door of railway vehicle Bo-Ruei Chen, Jinghai Jiao, Qing Tian, Huiqing Zhang, Fangdong Hou +2 more 2021-09-21
10464524 Alarming and unlocking device Bo-Ruei Chen, Xiaojie Yu, Lijun Ma, Qing Tian, Huiqing Zhang +2 more 2019-11-05
10207725 Method and device for transmitting signal among compartments of train Miao Wang, Jianying LIANG, Huiqing Zhang, Qing Tian, Chanjuan XIAO +3 more 2019-02-19