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Naoki Sekuguchi

KC Kotobuki & Co.: 1 patents #47 of 77Top 65%
Overall (All Time): #3,646,387 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5890825 Composite writing instrument Hidehei Kageyama, Yoshio Noguchi, Seiichi Kobayashi 1999-04-06