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Kotaro Oishi

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  • Fujisawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical head and optical drive device
    • Patent number 8,593,928
    • Issue date Nov 26, 2013
    • Hitachi Media Electronics Co., Ltd.
    • Tomoto Kawamura
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical disc device
    • Patent number 8,537,651
    • Issue date Sep 17, 2013
    • Hitachi Media Electronics Co., Ltd.
    • Tomoto Kawamura
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical head using beam dividing element
    • Patent number 8,498,190
    • Issue date Jul 30, 2013
    • Hitachi Media Electronics Co., Ltd.
    • Tomoto Kawamura
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical pickup
    • Patent number 8,374,066
    • Issue date Feb 12, 2013
    • Hitachi Media Electronics Co., Ltd.
    • Kotaro Oishi
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND APPARATUS FOR GENERATING FOCUS ERROR SIGNAL, OPTICAL HEA...
    • Publication number 20130015320
    • Publication date Jan 17, 2013
    • Tomoto KAWAMURA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL HEAD AND OPTICAL DRIVE DEVICE
    • Publication number 20120287765
    • Publication date Nov 15, 2012
    • Tomoto KAWAMURA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL HEAD
    • Publication number 20120218874
    • Publication date Aug 30, 2012
    • Tomoto KAWAMURA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL DISC DEVICE
    • Publication number 20120218872
    • Publication date Aug 30, 2012
    • Tomoto KAWAMURA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL PICKUP
    • Publication number 20110310722
    • Publication date Dec 22, 2011
    • Kotaro OISHI
    • G11 - INFORMATION STORAGE