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USPTO Patent Rankings Data through Sept 30, 2025
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Yoshitaka Aoka — 1 Patent

Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,319,085 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7498525 Card type peripheral apparatus Keiichi Tsutsui 2009-03-03