TREA

Takaaki Kumazawa

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  • Mie, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tonearm unit and playback device
    • Patent number 10,789,974
    • Issue date Sep 29, 2020
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Tomoyuki Yamashiro
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Audio-video device reproducing apparatus
    • Patent number 6,704,495
    • Issue date Mar 9, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Takaaki Kumazawa
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    TONEARM UNIT AND PLAYBACK DEVICE
    • Publication number 20200058321
    • Publication date Feb 20, 2020
    • Panasonic Intellectual Property Management Co., Ltd.
    • Tomoyuki YAMASHIRO
    • G11 - INFORMATION STORAGE