Patents/Inventors

Hongxing Ding

HangzhouCN2 patents

3 Patents

US123861602025
Zoom Lens
ZHEJIANG DAHUA TECHNOLOGY CO., Ltd.
0 cites
US121175972024
Zoom Lens and Optical Device Having the Same
ZHEJIANG DAHUA TECHNOLOGY CO., Ltd.
0 cites
US119470912024
Zoom Lens and Optical Device Having the Same
ZHEJIANG DAHUA TECHNOLOGY CO., Ltd.
0 cites