Patents/Inventors

Bicheng Dai

GuangdongCN3 patents

4 Patents

US124785072025
Drug Delivery Part for Visual Ear Picking Stick
HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd
0 cites
US124403882025
Tweezer Part for Visual Ear Pick
HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd
0 cites
US123700882025
Ear Canal Care Device
HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd
0 cites
US118900282024
Visual Tweezer
HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd
0 cites