TREA

Yoneaki Arai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable electronic apparatus
    • Patent number 5,350,881
    • Issue date Sep 27, 1994
    • Casio Computer Co., Ltd.
    • Yukio Kashio
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Keyboard apparatus for musical instrument
    • Patent number 5,164,528
    • Issue date Nov 17, 1992
    • Casio Computer Co., Ltd.
    • Yoneaki Arai
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Portable electronic apparatus
    • Patent number 5,157,213
    • Issue date Oct 20, 1992
    • Casio Computer Co., Ltd.
    • Yukio Kashio
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic percussion instrument
    • Patent number 4,995,294
    • Issue date Feb 26, 1991
    • Casio Computer Co., Ltd.
    • Yukio Kashio
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,566,363
    • Issue date Jan 28, 1986
    • Casio Computer Co., Ltd.
    • Yoneaki Arai
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS