Patents/Inventors

Fei Du

GuangdongCN4 patents

4 Patents

USD10854502025
Device for Massaging Scalp
Shenzhen Breo Technology Co., Ltd.
0 cites
US123052652025
Fine Grain Rare Earth Alloy Cast Strip, Preparation Method Thereof, and a Rotary Cooling Roll Device
BEIJING ZHONG KE SAN HUAN HI-TECH CO., Ltd.
0 cites
US121318502024
Rare Earth Magnet and Preparation Method Thereof
BEIJING ZHONG KE SAN HUAN HI-TECH CO., Ltd.
0 cites
US115558622023
Ground Fault Detection Method and System
Wanbang Star Charge Technology Ltd.
0 cites