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Yoshihisa Hirota

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  • Tokorozawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tonearm position setting device
    • Patent number 4,337,537
    • Issue date Jun 29, 1982
    • Pioneer Electronic Corporation
    • Yoshihisa Hirota
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Tone arm drive device
    • Patent number 4,204,687
    • Issue date May 27, 1980
    • Pioneer Electronic Corporation
    • Shizuo Inaba
    • G11 - INFORMATION STORAGE