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Guangdong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for acquiring operating parameters of photographi...
Patent number
11,803,100
Issue date
Oct 31, 2023
Shenzhen Dongzheng Optical Technology Co., Ltd.
YiQiang Pan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Camera lens
Patent number
D995611
Issue date
Aug 15, 2023
Yonghui Yuan
D16 - Photography and optical equipment
Information
Patent Grant
Camera lens
Patent number
D985658
Issue date
May 9, 2023
Yonghui Yuan
D16 - Photography and optical equipment
Patents Applications
last 30 patents
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Patent Application
TELE-CONVERTER STRUCTURE WITH ADJUSTABLE BACK FOCAL LENGTH
Publication number
20240048831
Publication date
Feb 8, 2024
Shenzhen Dongzheng Optical Technology Co., Ltd
Zewei YU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR ACQUIRING OPERATING PARAMETERS OF PHOTOGRAPHI...
Publication number
20230136242
Publication date
May 4, 2023
YiQiang PAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE