YJ

Yanyan Jin

AP Aac Technologies Pte.: 2 patents #167 of 401Top 45%
Overall (All Time): #1,847,170 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11356768 Acoustic absorption material and speaker Hongshu Feng 2022-06-07
10118153 Gas absorbent particle and method for making same Ning Kang 2018-11-06