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Du Wei Jia

AC Asia Optical Co.: 1 patents #175 of 366Top 50%
📍 Shangchuan, CN: #18 of 44 inventorsTop 45%
Overall (All Time): #3,319,204 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7499636 Method for automatically coordinating flash intensity and camera system as the same Wang Chang Feng 2009-03-03