Patents/Inventors

Qingwei Feng

ShanghaiCN5 patents

3 Patents

US120710472024
Electric Rotation Device for Automobile Seat
YANFENG INTERNATIONAL SEATING SYSTEMS CO., Ltd.
0 cites
US118583822024
Seat Rotation Locking Mechanism
YANFENG INTERNATIONAL SEATING SYSTEMS Co. Ltd.
0 cites
US117019862023
Rotation Device for Vehicle Seat
YANFENG INTERNATIONAL SEATING SYSTEMS CO., Ltd.
0 cites