SC

Shiyang Cheng

AC Aac Kaitai Technologies (Wuhan) Co.: 4 patents #14 of 21Top 70%
AC Aac Acoustic Technologies (Shenzhen) Co.: 1 patents #138 of 263Top 55%
AC Aac Microtech (Changzhou) Co.: 1 patents #93 of 162Top 60%
📍 Lo Wu, CN: #1,424 of 7,906 inventorsTop 20%
Overall (All Time): #775,792 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12238479 MEMS speaker and manufacturing method for same Yiwei Zhou, Qiang Dan, Yang Li 2025-02-25
12015896 Piezoelectric speaker Yu Shen, Qiang Dan, Yiwei Zhou, Yang Li 2024-06-18
11968507 Speaker having first diaphragm, second diaphragm with different stiffness from first diaphragm, and driver located in through hole of first diaphragm Qiang Dan, Yiwei Zhou, Yu Shen, Yang Li 2024-04-23
11950070 Sound production device Qiang Dan, Yu Shen, Yiwei Zhou, Yang Li 2024-04-02
11895464 MEMS speaker and speaker assembly structure Yu Shen, Yiwei Zhou, Qiang Dan, Yang Li 2024-02-06
11699988 Resonator and method for manufacturing the same Ke Wu, Yang Li, Chao Wang 2023-07-11