Patents/Inventors

Yiwei Zhou

ShenzhenCN10 patents

10 Patents

US125568462026
Earphone
AAC KAITAI TECHNOLOGIES (WUHAN) CO., Ltd
0 cites
US123449222025
Arsenic Iron Alloy, Preparation Method and Resource Treatment Method Thereof
CENTRAL SOUTH UNIVERSITY
0 cites
US123170442025
MEMS Piezoelectric Speaker
AAC Kaital Technologies (Wuhan) CO., Ltd
0 cites
US122384792025
MEMS Speaker and Manufacturing Method for Same
AAC Kaitai Technologies (Wuhan) CO., Ltd
0 cites
US121927022025
MEMS Speaker
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.
0 cites
US120158962024
Piezoelectric Speaker
AAC KAITAI TECHNOLOGIES (WUHAN) CO., Ltd
0 cites
US119685072024
Speaker Having First Diaphragm, Second Diaphragm with Different Stiffness from First Diaphragm, and Driver Located in Through Hole of First Diaphragm
AAC Kaital Technologies (Wuhan) CO., Ltd
0 cites
US119500702024
Sound Production Device
AAC KAITAI TECHNOLOGIES (WUHAN) CO., Ltd
0 cites
US119101552024
MEMS Speaker
AAC Kaital Technologies (Wuhan) CO., Ltd
0 cites
US118954642024
MEMS Speaker and Speaker Assembly Structure
AAC Microtech (Changzhou) Co., Ltd.
0 cites