Patents/Inventors

Congfang Si

ShenzhenCN2 patents

3 Patents

US120321292024
Camera Optical Lens
RAYTECH OPTICAL (CHANGZHOU) CO., Ltd
0 cites
US119660222024
Camera Optical Lens
Raytech Optical (Changzhou) Co., Ltd
0 cites
US119470772024
Camera Optical Lens
Changzhou Raytech Optronics Co., Ltd.
0 cites