TREA

Mituo Yamashita

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bearing structure and transmission structure in piano
    • Patent number 5,299,484
    • Issue date Apr 5, 1994
    • Kawai Musical Instrument Manufacturing Co., Ltd.
    • Muneo Ishida
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key and keyboard
    • Patent number 5,223,652
    • Issue date Jun 29, 1993
    • Kawai Musical Instrument Manufacturing Co., Ltd.
    • Muneo Ishida
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS