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Tetsuya Okano

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Patents Grantslast 30 patents

  • Information Patent Grant

    Upright piano
    • Patent number 7,858,858
    • Issue date Dec 28, 2010
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Shu Eitaki
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    UPRIGHT PIANO
    • Publication number 20090100980
    • Publication date Apr 23, 2009
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Shu Eitaki
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS