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Yoshihiro Matsuyama

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fabrication of composite metal wire
    • Patent number 4,438,155
    • Issue date Mar 20, 1984
    • Hitachi Cable Ltd.
    • Kazumichi Kawai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for fabricating composite metal wire
    • Patent number 4,291,644
    • Issue date Sep 29, 1981
    • Hitachi Cable Ltd.
    • Kazumichi Kawai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...