Patents/Inventors

Mao Zhao

ShanghaiCN2 patents

3 Patents

USD10975822025
Brush Head for Electric Toothbrush
SHANGHAI HEISR INTELLIGENT TECHNOLOGY CO., Ltd
0 cites
US122434702025
LED Display Driver Chip with Analog and Digital Units and Method for Driving the Same
PURESEMI Co., Ltd.
0 cites
US120486022024
Electric Toothbrush Comprising Three-sided Bristles
SHANGHAI HEISR INTELLIGENT TECHNOLOGY Co. Ltd.
0 cites