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Masahiro Birukawa

Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #164,643 of 266,432Top 65%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6399227 Magneto-optical recording medium Yoshihiko Kudoh, Yasumori Hino, Yuuichi Fukamachi 2002-06-04