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Masahiro Birukawa

Sumitomo Electric Industries: 3 patents #364 of 3,885Top 10%
Overall (2003): #26,054 of 273,478Top 10%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6650598 Magnetic head having magnetoresistance device and recording/reproducing apparatus incorporating the same Hiroshi Sakakima, Kazuo Yokoyama, Masayoshi Hiramoto 2003-11-18
6521357 Magneto-optical recording medium Yoshihiko Kudoh, Yasumori Hino, Yuuichi Fukamachi 2003-02-18
6504796 Magneto-optical head having thickness of the core same as a track width Hiroshi Sakakima, Kazuo Yokoyama, Masayoshi Hiramoto 2003-01-07