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Yukimasa Kuwabara

KK Kabushikikaisya Kotobuki: 1 patents #1 of 6Top 20%
Overall (All Time): #3,987,594 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4714365 Mechanical pencil Hidehei Kageyama 1987-12-22