Patents/Inventors

Liwei Cai

Xi'anCN7 patents

10 Patents

USD10860272025
Energy Storage Device
0 cites
USD10860282025
Energy Storage Device
0 cites
USD10796342025
Power Supply
0 cites
USD10777452025
Power Supply
0 cites
USD10768092025
Power Supply
0 cites
US120873052024
Speech Processing
Amazon Technologies, Inc.
0 cites
USD10202582024
Electric Toothbrush
Chaozhou Lejiu Plastic Co., Ltd.
0 cites
USD10030482023
Electric Toothbrush
Chaozhou Lejiu Plastic Co., Ltd.
0 cites
USD10030492023
Electric Toothbrush
Chaozhou Lejiu Plastic Co., Ltd.
0 cites
US116824002023
Speech Processing
Amazon Technologies, Inc.
0 cites