JD

Jianhua Ding

AC Aac Acoustic Technologies (Shenzhen) Co.: 1 patents #138 of 263Top 55%
AC Aac Technologies (Nanjing) Co.: 1 patents #20 of 48Top 45%
AP Aac Technologies Pte.: 1 patents #231 of 401Top 60%
BC Baoshan Iron & Steel Co.: 1 patents #200 of 423Top 50%
📍 Lo Wu, CN: #1,946 of 7,906 inventorsTop 25%
Overall (All Time): #1,074,422 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12238467 Speaker box Shuwen Wu, Guoxiu Feng, Mushu Xiao 2025-02-25
12129526 Gradient steel material having surface layer with ferrite and inner layer with ferrite + pearlite and manufacturing method Suoquan Zhang, Sihai Jiao, Xiaojun Liang 2024-10-29
11516566 Speaker box Guoxiu Feng 2022-11-29
9998821 Speaker box Renxuan Qin, Peng Niu 2018-06-12