TREA

Yumi Takigami

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Low-frequency sound reproducing speaker apparatus
    • Patent number 7,284,637
    • Issue date Oct 23, 2007
    • Pioneer Corporation
    • Yasuhisa Abe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Speaker
    • Patent number D487738
    • Issue date Mar 23, 2004
    • Pioneer Corporation
    • Takekazu Iijima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D487076
    • Issue date Feb 24, 2004
    • Pioneer Corporation
    • Koji Nakane
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D472545
    • Issue date Apr 1, 2003
    • Pioneer Kabushiki Kaisha
    • Takekazu Iijima
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents