JJ

Jinghai Jiao

CC Crrc Qingdao Sifang Co.: 3 patents #1 of 66Top 2%
📍 Shandong, CN: #22 of 271 inventorsTop 9%
Overall (2019): #85,147 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10416222 Detection method and system for pantograph arc based on train power supply system Buchao Jia, Fangdong Hou, Jianhong YOU, Zhiguo Yu, Haijun Zhou +1 more 2019-09-17
10411503 Motor train unit auxiliary power supply apparatus Jiansheng Zhou, Yanzun Yu, Buzhao Niu, Fujie JIANG, Donghua Wu 2019-09-10
10192694 Interlocking control device of multiple-unit train safety circuit Buzhao Niu, Xinkai Fang, Donghua Wu, Guidong TAO, Guimei Deng 2019-01-29