TREA

Takahisa Haba

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Patents Applicationslast 30 patents

  • 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

    Speaker apparatus and speaker diaphragm
    • Publication number 20050244029
    • Publication date Nov 3, 2005
    • PIONEER CORPORATION
    • Koji Takayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker apparatus
    • Publication number 20050244030
    • Publication date Nov 3, 2005
    • PIONEER CORPORATION
    • Koji Takayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE