Chunying Qu

OPPO: 1 patents #146 of 263Top 60%

Overall (2022): #495,428 of 548,613Top 95%

Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11539229	Multi-stage constant current charging method and charging apparatus	Jun Zhang	2022-12-27