TREA

Kunihiko Hotta

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum substrate for magnetic recording media
    • Patent number 4,540,449
    • Issue date Sep 10, 1985
    • Nippon Light Metal Company Limited
    • Koichi Yoshida
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...