ZD

Zhanyuan Du

DC Dongguan Pinmi Electronic Technology Co.: 4 patents #1 of 1Top 100%
📍 Dongguan, CN: #41 of 470 inventorsTop 9%
Overall (2021): #36,092 of 548,734Top 7%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D938400 Earphone 2021-12-14
D927443 Bluetooth FM transmitter 2021-08-10
D916678 Bluetooth receiver 2021-04-20
D909998 Earphones 2021-02-09