Patents/Inventors

Yonghui Yuan

HenanCN7 patents

7 Patents

USD10570032025
Lens Adapter
Shenzhen Dongzheng Optical Technology Co., Ltd.
0 cites
USD10539332024
Expander
Shenzhen Dongzheng Optical Technology Co., Ltd
0 cites
USD10137592024
Camera Lens
Shenzhen Dongzheng Optical Technology Co., Ltd
0 cites
USD10027032023
Camera Lens
Chouch Optical Technology Co., Ltd.
0 cites
USD09956112023
Camera Lens
0 cites
USD09856582023
Camera Lens
0 cites
USD09820642023
Camera Lens
Shenzhen Dongzheng Optical Technology Co., Ltd.
0 cites