QD

Qiang Dan

AC Aac Kaitai Technologies (Wuhan) Co.: 8 patents #11 of 21Top 55%
AP Aac Technologies Pte.: 2 patents #167 of 401Top 45%
AC Aac Acoustic Technologies (Shenzhen) Co.: 1 patents #138 of 263Top 55%
AC Aac Microtech (Changzhou) Co.: 1 patents #93 of 162Top 60%
Overall (All Time): #430,620 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12335702 Method for manufacturing MEMS acoustic sensor Chungmin Li, KianHeng Goh, Kahkeen Lai, Yang Li 2025-06-17
12317044 MEMS piezoelectric speaker Yu Shen, Yiwei Zhou, Yang Li 2025-05-27
12267646 Acoustic transducer and method for manufacturing acoustic transducer KianHeng Goh, Chungmin Li, Kahkeen Lai 2025-04-01
12262175 Acoustic transducer and method for manufacturing acoustic transducer KianHeng Goh, Chungmin Li, Kahkeen Lai 2025-03-25
12238479 MEMS speaker and manufacturing method for same Shiyang Cheng, Yiwei Zhou, Yang Li 2025-02-25
12192702 MEMS speaker Yu Shen, Yiwei Zhou, Yang Li 2025-01-07
12015896 Piezoelectric speaker Yu Shen, Yiwei Zhou, Shiyang Cheng, 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 Shiyang Cheng, Yiwei Zhou, Yu Shen, Yang Li 2024-04-23
11950070 Sound production device Yu Shen, Shiyang Cheng, Yiwei Zhou, Yang Li 2024-04-02
11910155 MEMS speaker Yiwei Zhou, Yu Shen, Yang Li 2024-02-20
11895464 MEMS speaker and speaker assembly structure Yu Shen, Shiyang Cheng, Yiwei Zhou, Yang Li 2024-02-06