TREA

Shinsei Kasahara

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  • Ota-City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical pickup device
    • Patent number 8,358,571
    • Issue date Jan 22, 2013
    • Sanyo Electric Co., LTD
    • Kenji Nagatomi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical pickup device
    • Patent number 8,331,211
    • Issue date Dec 11, 2012
    • Sanyo Electric Co., LTD
    • Kenji Nagatomi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical pickup device
    • Patent number 8,325,580
    • Issue date Dec 4, 2012
    • Sanyo Electric Co., LTD
    • Kenji Nagatomi
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL PICKUP DEVICE
    • Publication number 20120026857
    • Publication date Feb 2, 2012
    • SANYO ELECTRIC CO., LTD.
    • Kenji Nagatomi
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL PICKUP DEVICE
    • Publication number 20120026858
    • Publication date Feb 2, 2012
    • SANYO ELECTRIC CO., LTD.
    • Kenji Nagatomi
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL PICKUP DEVICE
    • Publication number 20120002533
    • Publication date Jan 5, 2012
    • SANYO ELECTRIC CO., LTD.
    • Kenji Nagatomi
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Optical disk apparatus
    • Publication number 20080225675
    • Publication date Sep 18, 2008
    • SANYO ELECTRIC CO., LTD.
    • Ryoichi Kawasaki
    • G11 - INFORMATION STORAGE