TREA

Keiji Yuzawa

Follow

Person

  • Akishima, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Auto-playing apparatus
    • Patent number RE33607
    • Issue date Jun 11, 1991
    • Casio Computer Co. Ltd.
    • Keiji Yuzawa
    • 084 - Music
  • Information Patent Grant

    Automatic performance apparatus
    • Patent number 4,633,751
    • Issue date Jan 6, 1987
    • Casio Computer Co., Ltd.
    • Hideshi Fukaya
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Auto-playing apparatus
    • Patent number 4,624,171
    • Issue date Nov 25, 1986
    • Casio Computer Co., Ltd.
    • Keiji Yuzawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Automatic accompaniment generating apparatus
    • Patent number 4,539,882
    • Issue date Sep 10, 1985
    • Casio Computer Co., Ltd.
    • Keiji Yuzawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS