SC

Shiyang Cheng

AC Aac Kaitai Technologies (Wuhan) Co.: 3 patents #14 of 17Top 85%
AC Aac Microtech (Changzhou) Co.: 1 patents #48 of 83Top 60%
📍 Lo Wu, CN: #367 of 3,882 inventorsTop 10%
Overall (2024): #43,089 of 561,600Top 8%
4
Patents 2024

Issued Patents 2024

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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