XD

Xiwen Du

AC Aac Microtech (Changzhou) Co.: 3 patents #49 of 162Top 35%
Overall (All Time): #1,311,672 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12363483 Speaker Long Zhang, Yu Qi 2025-07-15
12356171 Sounding device Long Zhang, Xianjie Dong 2025-07-08
12192721 Sound device Long Zhang, Lipeng Ma 2025-01-07