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Chung-Cheng Cheng

VI Vivotek: 1 patents #72 of 134Top 55%
Overall (All Time): #2,847,933 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10237471 Camera device and auto-focusing method of varying focal length according to time variation Kuo-Yeh Hsieh 2019-03-19