TREA

Hiroyuki Naono

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  • Kadoma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microphone apparatus
    • Patent number 5,226,087
    • Issue date Jul 6, 1993
    • Matsushita Electric Industrial Co., Ltd.
    • Kiminori Ono
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Microphone apparatus
    • Patent number 5,193,117
    • Issue date Mar 9, 1993
    • Matsushita Electric Industrial Co., Ltd.
    • Kiminori Ono
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Howling canceller
    • Patent number 4,747,132
    • Issue date May 24, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Satoru Ibaraki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone capable of cancelling mechanical generated noise
    • Patent number 4,127,749
    • Issue date Nov 28, 1978
    • Matsushita Electric Industrial Co., Ltd.
    • Nobuhisa Atoji
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE