KY

Kazuo Yokoyama

Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
Overall (2003): #57,700 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6650598 Magnetic head having magnetoresistance device and recording/reproducing apparatus incorporating the same Hiroshi Sakakima, Masahiro Birukawa, Masayoshi Hiramoto 2003-11-18
6504796 Magneto-optical head having thickness of the core same as a track width Hiroshi Sakakima, Masahiro Birukawa, Masayoshi Hiramoto 2003-01-07