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Kiyotaka Eizumi

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  • Oizumi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical pickup apparatus
    • Patent number 8,315,140
    • Issue date Nov 20, 2012
    • Sanyo Electric Co., LTD
    • Minoru Sato
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical pickup apparatus
    • Patent number 8,081,556
    • Issue date Dec 20, 2011
    • Sanyo Electric Co., LTD
    • Kiyotaka Eizumi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical pickup apparatus
    • Patent number 7,974,172
    • Issue date Jul 5, 2011
    • Sanyo Electric Co., LTD
    • Kiyotaka Eizumi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical pickup apparatus
    • Patent number 7,672,202
    • Issue date Mar 2, 2010
    • Sanyo Electric Co., LTD
    • Tohru Hotta
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL PICKUP APPARATUS
    • Publication number 20130188466
    • Publication date Jul 25, 2013
    • Sanyo Electric Co., Ltd.
    • Chiaki ASAKAWA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Optical Pickup Apparatus
    • Publication number 20110170397
    • Publication date Jul 14, 2011
    • Sanyo Electric Co., Ltd.
    • Minoru Sato
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Optical Pickup Apparatus
    • Publication number 20100067350
    • Publication date Mar 18, 2010
    • Sanyo Electric Co., Ltd.
    • Kiyotaka Eizumi
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Optical Pickup Apparatus
    • Publication number 20100067355
    • Publication date Mar 18, 2010
    • Sanyo Electric Co., Ltd.
    • Kiyotaka Eizumi
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL PICKUP APPARATUS
    • Publication number 20070127349
    • Publication date Jun 7, 2007
    • Sanyo Electric Co., Ltd.
    • Tohru Hotta
    • G11 - INFORMATION STORAGE