Patents/Inventors

Zhang Ren

ChangzhouCN30 patents

42 Patents

US125877892026
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US125877912026
Sound-generating Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US125321212026
Speaker Device and Stylus
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US125321222026
Speaker Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US125134642025
Single Power Amplifier Circuit Realizes High and Low Frequency Division of a Speaker and Anti-phase Muffling of a Receiver, and Sounding Device Incorporating Same
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US125069632025
Anti-shake Mechanism and Camera Module
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124838232025
Sound-generating Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124772682025
Speaker Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124525812025
Earphone Core and Earphone
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124525972025
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124139102025
Speaker Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124079752025
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124079762025
Coaxial Earphone Core
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124079862025
Sounding Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124079872025
Speaker Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US124019392025
Coaxial Speaker Box
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US123957952025
Sound Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US123891612025
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US123170472025
Vibration Sounding Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US123170482025
Sounding Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US122895722025
Electronic Device with a Sounding Function
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US122895902025
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US122895912025
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121607192024
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121607202024
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121607212024
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121559912024
Electronic Device with a Function of Sound
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121559922024
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121560072024
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121560082024
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US121204952024
Coaxial Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US120889942024
Speaker Box
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US120525402024
Speaker Box
AAC MICROTECH (CHANGZHOU) CO., Ltd.
0 cites
US120477332024
Coaxial Speaker
AAC MICROTECH (CHANGZHOU) CO., Ltd.
0 cites
US117655122023
Acoustic Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US117583212023
Speaker Box
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US116717622023
Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US116654712023
Sounding Device
AAC Acoustic Technologies (Shenzhen) Co., Ltd.
0 cites
US116654802023
Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US116654812023
Speaker Device
AAC Microtech (Changzhou) Co., Ltd.
0 cites
US116593342023
Acoustic Device
AAC Microtech (Changzhou) Co, , Ltd.
0 cites
US116222012023
Speaker
AAC Microtech (Changzhou) Co., Ltd.
0 cites