TREA

Takuei Nagasawa

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  • Yamagata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vibrating body for speaker and speaker device
    • Patent number 8,235,167
    • Issue date Aug 7, 2012
    • Pioneer Corporation
    • Hiroyuki Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 8,111,869
    • Issue date Feb 7, 2012
    • Pioneer Corporation
    • Minoru Horigome
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

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

    VIBRATING BODY FOR SPEAKER AND SPEAKER DEVICE
    • Publication number 20110232990
    • Publication date Sep 29, 2011
    • Pioneer Corporation
    • Hiroyuki Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE, AND AUTOMOBILE
    • Publication number 20110228949
    • Publication date Sep 22, 2011
    • Pioneer Corporation
    • Takahisa Haba
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CONNECTING MEMBER FOR SPEAKER AND SPEAKER
    • Publication number 20110222721
    • Publication date Sep 15, 2011
    • PIONEER CORPORATION
    • Kyoichi Matsuda
    • 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
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20100054524
    • Publication date Mar 4, 2010
    • Pioneer Corporation
    • Minoru Horigome
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE