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USPTO Patent Rankings Data through Sept 30, 2025
YK

Yasumichi Kogai

SOSofsera: 1 patents #1 of 2Top 50%
Overall (2019): #216,530 of 560,194Top 40%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10435777 Inner surface-modified tube, inner surface-modified tube manufacturing method, and inner surface-modified tube manufacturing device Karl Kazushige Kawabe 2019-10-08