CZ

Chengxiang Zhang

XC Xiamen Retone Hearing Technology Co.: 3 patents #1 of 1Top 100%
Overall (2022): #85,530 of 548,613Top 20%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11496844 Completely-in-canal hearing aid 2022-11-08
11490214 Hearing aid electrical contact structure and hearing aid 2022-11-01
11405709 Hearing aid microphone structure and hearing aid 2022-08-02