TREA

Hajime Koyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Receiving apparatus
    • Patent number 6,873,369
    • Issue date Mar 29, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Hajime Koyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SIGNAL TRANSMISSION DEVICE
    • Publication number 20110148477
    • Publication date Jun 23, 2011
    • Kohei Teramoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Receiving apparatus
    • Publication number 20020063798
    • Publication date May 30, 2002
    • Hajime Koyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE