ZD

Zhanyuan Du

DC Dongguan Pinmi Electronic Technology Co.: 19 patents #1 of 2Top 50%
📍 Dongguan, CN: #55 of 2,387 inventorsTop 3%
Overall (All Time): #134,028 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
D1062626 Earphone case 2025-02-18
D1045832 Pair of earphones 2024-10-08
D1020707 Earphones 2024-04-02
D1010646 Wireless transceiver 2024-01-09
D1004959 Earphone case 2023-11-21
D1003279 Earphone 2023-10-31
D984976 Wireless audio speaker 2023-05-02
D980799 Earphone charging case 2023-03-14
D976871 Earphone 2023-01-31
D938400 Earphone 2021-12-14
D927443 Bluetooth FM transmitter 2021-08-10
D916678 Bluetooth receiver 2021-04-20
D909998 Earphones 2021-02-09
D905020 Earphone 2020-12-15
D898697 Bluetooth FM transmitter 2020-10-13
D898696 Bluetooth FM transmitter 2020-10-13
D897982 Bluetooth FM transmitter 2020-10-06
D884682 Earphones 2020-05-19
D883960 Earphones 2020-05-12
D875062 In-car bluetooth MP3 2020-02-11
D875063 In-car bluetooth MP3 2020-02-11
D873233 Bluetooth FM transmitter 2020-01-21
D873234 Bluetooth FM transmitter 2020-01-21
D864144 In-car Bluetooth MP3 2019-10-22
D812034 In-car bluetooth MP3 2018-03-06