CZ

Chengxiang Zhang

XC Xiamen Retone Hearing Technology Co.: 5 patents #1 of 3Top 35%
Overall (2025): #25,052 of 469,880Top 6%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D1084351 Audiphone Yiquan Shi, Zhiqiang Su 2025-07-15
D1076801 Charging box Yiquan Shi 2025-05-27
D1075661 Charging box Yiquan Shi 2025-05-20
D1076102 Audiphone Yiquan Shi 2025-05-20
D1076103 Audiphone Yiquan Shi 2025-05-20