TREA

Keiji Murakami

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  • Okegawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic tuning device
    • Patent number 4,207,791
    • Issue date Jun 17, 1980
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Keiji Murakami
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,176,576
    • Issue date Dec 4, 1979
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Keiji Murakami
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS