TREA

Masuo Maruyama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Turntable having elastic layer with high contact pressure portion
    • Patent number 8,752,080
    • Issue date Jun 10, 2014
    • Panasonic Corporation
    • Teruyuki Naka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical disk device
    • Patent number 7,421,720
    • Issue date Sep 2, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Kanji Wakabayashi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk drive
    • Patent number 7,260,041
    • Issue date Aug 21, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Kozo Ezawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk apparatus
    • Patent number 6,469,865
    • Issue date Oct 22, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Masuo Maruyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk type determination method
    • Patent number 6,449,232
    • Issue date Sep 10, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Masaya Kuwahara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Loading device for a cartridge
    • Patent number 4,727,444
    • Issue date Feb 23, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Yasuhisa Fukushima
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk cartridge having a shutter mechanism
    • Patent number 4,680,662
    • Issue date Jul 14, 1987
    • Matsushita Electric Industrial Co., Ltd.
    • Yasuhisa Fukushima
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    TURNTABLE
    • Publication number 20130111507
    • Publication date May 2, 2013
    • PANASONIC CORPORATION
    • Teruyuki Naka
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Optical disk device
    • Publication number 20060072382
    • Publication date Apr 6, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Kanji Wakabayashi
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Disc device
    • Publication number 20050286359
    • Publication date Dec 29, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Kozo Ezawa
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Disk conveying device and disk apparatus having the same
    • Publication number 20050091675
    • Publication date Apr 28, 2005
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Masuo Maruyama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Disk drive
    • Publication number 20040246848
    • Publication date Dec 9, 2004
    • Kozo Ezawa
    • G11 - INFORMATION STORAGE