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Akihide Umada

TC Topura Co.: 1 patents #10 of 38Top 30%
📍 Hadano, JP: #606 of 1,025 inventorsTop 60%
Overall (All Time): #3,249,165 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7938609 Tightening structure using high-strength self-forming screws Shigeto Mori, Mayumi Matsuno 2011-05-10