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Ryosei HONMA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical disk drive
    • Patent number 7,990,814
    • Issue date Aug 2, 2011
    • Hoya Corporation
    • Suguru Takishima
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL PICK-UP
    • Publication number 20080074976
    • Publication date Mar 27, 2008
    • PENTAX CORPORATION
    • Hiroshi NISHIKAWA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL DISK DRIVE
    • Publication number 20070291618
    • Publication date Dec 20, 2007
    • PENTAX CORPORATION
    • Suguru TAKISHIMA
    • G11 - INFORMATION STORAGE