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Xiumei QI

WC Weihai Hualing Opto-Electronics Co.: 1 patents #2 of 7Top 30%
📍 Shandong, CN: #143 of 490 inventorsTop 30%
Overall (2023): #203,672 of 537,848Top 40%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11741591 Method and apparatus for detecting thickness of paper and storage medium Li Jiang, Rongxin SONG, Jie Xian 2023-08-29