BY

Bixiang Yan

OPPO: 3 patents #76 of 284Top 30%
Overall (2020): #97,424 of 565,922Top 20%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10873656 Loudspeaker, loudspeaker device and mobile terminal 2020-12-22
10863293 Electro-acoustic conversion device and terminal Xin Yan 2020-12-08
10609483 Method for sound effect compensation, non-transitory computer-readable storage medium, and terminal device 2020-03-31