TREA

Shigeru Uzawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microphone
    • Patent number 6,549,632
    • Issue date Apr 15, 2003
    • Kabushiki Kaisha Audio Technica
    • Hiroshi Akino
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone
    • Patent number 6,130,952
    • Issue date Oct 10, 2000
    • Kabushiki Kaisha Audio-Technica
    • Hiroshi Akino
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Diaphragm of dynamic microphone
    • Patent number 5,148,492
    • Issue date Sep 15, 1992
    • Kabushiki Kaisha Audio-Technica
    • Shigeru Uzawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE