TREA

Tsuyoshi Baba

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  • Kurate-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Unidirectional microphone
    • Patent number 11,503,402
    • Issue date Nov 15, 2022
    • Hosiden Corporation
    • Hiroshi Yamagata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electret condensor microphone
    • Patent number 8,135,150
    • Issue date Mar 13, 2012
    • Hosiden Corporation
    • Toshiro Izuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone and microphone mounting structure
    • Patent number 8,050,443
    • Issue date Nov 1, 2011
    • Hosiden Corporation
    • Toshiro Izuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    UNIDIRECTIONAL MICROPHONE
    • Publication number 20210400378
    • Publication date Dec 23, 2021
    • HOSIDEN CORPORATION
    • Hiroshi YAMAGATA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electret Condenser Microphone
    • Publication number 20110013788
    • Publication date Jan 20, 2011
    • HOSIDEN CORPORATION
    • Toshiro Izuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Condenser Microphone
    • Publication number 20090003631
    • Publication date Jan 1, 2009
    • HOSIDEN CORPORATION
    • Toshiro Izuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Microphone and microphone mounting structurre
    • Publication number 20080112585
    • Publication date May 15, 2008
    • HOSIDEN CORPORATION
    • Toshiro Izuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electret condensor microphone
    • Publication number 20080080729
    • Publication date Apr 3, 2008
    • HOSIDEN CORPORATION
    • Toshiro Izuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE