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USPTO Patent Rankings Data through Sept 30, 2025
YI

Yasuyuki Ishikura

Overall (All Time): #4,033,838 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4446580 Prosthetic foot structure Koutaro Furuya, Kazuho Hosoda, Takahito Takeuchi, Morihiro KAMEDA 1984-05-08