HZ

Hua Zhao

AC Abb Beijing Drive Systems Co.: 2 patents #1 of 4Top 25%
AC Advanced New Technologies Co.: 1 patents #162 of 458Top 40%
Overall (2022): #79,212 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11468446 Method for adjusting risk parameter, and method and device for risk identification Chao Li, Chunjie Dong, Hong Jin, Lijie Zhang 2022-10-11
D951186 Frequency converter Peng Du, Quanhong Zhou 2022-05-10
D951187 Three-phase frequency converter Yan-Fei Liu, Quanhong Zhou 2022-05-10