TREA

Yasuo Akiyama

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  • Odawara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual magnetic head mount
    • Patent number 4,306,260
    • Issue date Dec 15, 1981
    • Hitachi, Ltd.
    • Munesige Maeda
    • G11 - INFORMATION STORAGE