CZ

Chengxiang Zhang

XC Xiamen Retone Hearing Technology Co.: 5 patents #1 of 1Top 100%
Overall (2023): #33,433 of 537,848Top 7%
5
Patents 2023

Issued Patents 2023

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D1004097 Hearing aid 2023-11-07
11758340 Flexible circuit board of hearing aid and hearing aid 2023-09-12
D997862 Hearing aid charging unit 2023-09-05
D983377 Hearing aid 2023-04-11
D983378 Hearing aid 2023-04-11