Patents/Inventors

Zhizhu Chen

ChangzhouCN14 patents

15 Patents

US125877902026
Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US125321232026
Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124838362025
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124772792025
Multifunctional Sounder
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124772812025
Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124187492025
Sounding Device
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.
0 cites
US124079882025
Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US123357122025
Speaker
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.
0 cites
US122845062025
Sounding Device
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.
0 cites
US122384992025
Sounding Unit
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.
0 cites
US122385002025
Speaker with Better Acoustic Performance Structure
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.
0 cites
US121850742024
Sounding Device
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., Ltd.
0 cites
US121016162024
Speaker
AAC Acoustic Technologies (Shenzhen) Co., Ltd.
0 cites
US119974652024
Speaker Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US119566142024
Speaker Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites