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Akihiko Okamoto

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  • Kawagoe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Auto loading disk player
    • Patent number 4,764,917
    • Issue date Aug 16, 1988
    • Pioneer Electronic Corporation
    • Masanori Sugihara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Automatic loading disc player
    • Patent number 4,700,338
    • Issue date Oct 13, 1987
    • Pioneer Electronic Corporation
    • Masanori Sugihara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Automatic loading disc player
    • Patent number 4,695,996
    • Issue date Sep 22, 1987
    • Pioneer Electronic Corporation
    • Masanori Sugihara
    • G11 - INFORMATION STORAGE