HJ

Haiyong JING

SC Shanghai Roye Electric Co.: 1 patents #14 of 22Top 65%
Overall (All Time): #2,531,805 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12099093 Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor Min Chang, Xiaobeng Huang, Tiexin Xia, Zhengcao Guo, Wei Zheng 2024-09-24