Inventor

YU YONGQIANG

CN3 patents

⚠️ This page may combine multiple inventors who share the name “YU YONGQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUIZHOU SHENGHONGHAO IND CO LTD

1 patent

USD1026698SMay 14, 2024

Smart video doorbell

HUIZHOU SHENGHONGHAO IND CO LTD7 citations73

O2MICRO INT LTD

1 patent

US7804278B2Sep 28, 2010

Topology and method for dynamic charging current allocation

O2MICRO INT LTD2 citations55

HANGZHOU SILAN MICROELECT CO

1 patent

US11239753B2Feb 1, 2022

Switching converter, and control method and control circuit thereof

HANGZHOU SILAN MICROELECT CO0 citations44