TREA

Hikaru Hashizume

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  • Hamamatsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wind instruments with electronic tubing length control
    • Patent number 5,668,340
    • Issue date Sep 16, 1997
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hikaru Hashizume
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,282,785
    • Issue date Aug 11, 1981
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Nobuharu Obayashi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,174,649
    • Issue date Nov 20, 1979
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Nobuharu Obayashi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS