Patents/Inventors

Chengxiang Zhang

XiamenCN15 patents

13 Patents

USD11127552026
Audiphone
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
USD11016782025
Charging Case for Hearing Aid
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
USD10843512025
Audiphone
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
USD10768012025
Charging Box
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
USD10756612025
Charging Box
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
USD10761022025
Audiphone
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
USD10761032025
Audiphone
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
US118981332024
Orbital Incubator Shakers
SHINETEK INSTRUMENT RESEARCH INSTITUTE
0 cites
USD10040972023
Hearing Aid
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
US117583402023
Flexible Circuit Board of Hearing Aid and Hearing Aid
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
USD09978622023
Hearing Aid Charging Unit
Xiamen Retone Hearing Technology Co., Ltd.
0 cites
USD09833772023
Hearing Aid
XIAMEN RETONE HEARING TECHNOLOGY CO., Ltd.
0 cites
USD09833782023
Hearing Aid
XIAMEN RETONE HEARING TECHNOLOGY CO., Ltd.
0 cites