HI

Hirofumi Ito

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,609,382 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6037037 Magnetic recording medium Kazunori Kubota, Fumio Echigo, Yukihiro Shimasaki, Takumi Haneda, Tetuo Fuchi +1 more 2000-03-14