QP

Qiuyue Piao

KC Kohoku Kogyo Co.: 1 patents #9 of 24Top 40%
📍 Nagahama, JP: #78 of 132 inventorsTop 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12404201 Preform for optical fiber and manufacturing method of optical fiber Katsuhiro Iwasaki, Yusuke Kinoshita 2025-09-02