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WC Weihai Hualing Opto-Electronics Co.: 1 patents #8 of 20Top 40%
📍 Shandong, CN: #981 of 2,138 inventorsTop 50%
Overall (All Time): #2,603,193 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11741591 Method and apparatus for detecting thickness of paper and storage medium Li Jiang, Rongxin SONG, Jie Xian 2023-08-29