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Takayoshi Hiraga

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical pickup
    • Patent number 8,072,867
    • Issue date Dec 6, 2011
    • Victor Company of Japan, Ltd.
    • Takahiro Kaneko
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical pickup device
    • Patent number 7,859,976
    • Issue date Dec 28, 2010
    • Victor Company of Japan, Limited
    • Takayoshi Hiraga
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical pickup
    • Publication number 20100271923
    • Publication date Oct 28, 2010
    • Victor Company of Japan, Ltd. a corporation of Japan
    • Takahiro Kaneko
    • G02 - OPTICS
  • Information Patent Application

    Optical pickup device
    • Publication number 20070109946
    • Publication date May 17, 2007
    • VICTOR COMPANY OF JAPAN, LIMITED
    • Takayoshi Hiraga
    • G11 - INFORMATION STORAGE