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Junetsu Seto

SO Sony: 1 patents #49 of 234Top 25%
Overall (1982): #50,478 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330600 Magnetic recording medium Kouichi Kawasumi, Haruo Watanabe 1982-05-18