TREA

Takashi Ogura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Wireless microphone system
    • Patent number 9,131,292
    • Issue date Sep 8, 2015
    • TOA Corporation
    • Ken'ichi Ejima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    WIRELESS MICROPHONE SYSTEM
    • Publication number 20130251173
    • Publication date Sep 26, 2013
    • TOA CORPORATION
    • Ken'ichi Ejima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE