LM

Lijun Ma

CC Crrc Qingdao Sifang Co.: 3 patents #1 of 66Top 2%
📍 Nanjing, CA: #12 of 57 inventorsTop 25%
Overall (2019): #79,886 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10507847 Central traction device for straddling monorail train Jinming Zhou, Yuejun Zhang, Huijie Zhang, Xiaojun Lv, Haiqin Zhao +5 more 2019-12-17
10471975 Railway vehicle and derailment safety device thereof Zhenxian ZHANG, Xiaolong Zou, Rongsheng Kuai, Zhibo Zhang 2019-11-12
10464524 Alarming and unlocking device Bo-Ruei Chen, Xiaojie Yu, Qing Tian, Huiqing Zhang, Qingjun Han +2 more 2019-11-05