CZ

Chengxiang Zhang

XC Xiamen Retone Hearing Technology Co.: 15 patents #1 of 3Top 35%
Overall (All Time): #178,697 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 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
11898133 Orbital incubator shakers Gongrun ZHANG, Gongze ZHANG, Zhiyong Jia 2024-02-13
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
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
D930839 Hearing aid 2021-09-14
D922315 Charging case for hearing aid 2021-06-15
10904673 Hearing aid charger case 2021-01-26
10798500 Behind-the-ear hearing aid Yiquan Shi 2020-10-06
10780437 Microfluidic system and method of controlling particles based on artificially structured acoustic field Hairong Zheng, Fei Li, Feiyan Cai, Long Meng, Chen Wang +6 more 2020-09-22
D896387 Hearing aid Yiquan Shi 2020-09-15
D896388 Main unit of hearing aid Yiquan Shi 2020-09-15
D896389 Hearing aid 2020-09-15
D872280 Hearing aid Yiquan Shi 2020-01-07