TREA

Tempei Katsuta

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  • Tokyo, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20120207321
    • Publication date Aug 16, 2012
    • TOHOKU PIONEER CORPORATION
    • Kenichi Oshima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE COIL FOR SPEAKER DEVICE, AND SPEAKER DEVICE
    • Publication number 20120051557
    • Publication date Mar 1, 2012
    • Tohoku Pioneer Corporation
    • Minoru Horigome
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATION DIRECTION CONVERTER PART FOR SPEAKER DEVICE AND SPEAKER D...
    • Publication number 20110305355
    • Publication date Dec 15, 2011
    • TOHOKU PIONEER CORPORATION
    • Minoru Horigome
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20110176703
    • Publication date Jul 21, 2011
    • Pioneer Corporation
    • Minoru Horigome
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE