Patents/Inventors

Xiaoqiong Feng

ShenzhenCN2 patents

3 Patents

US123357092025
Sound Generator
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US123170532025
Double-sided Sound Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121499082024
Sound Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites