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Akihiro Imai

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #77,674 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4309482 Magnetic recording medium Takashi Suzuki, Isao Sumita 1982-01-05