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Chiaki Asakawa

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  • Gunma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical pickup apparatus
    • Patent number 8,335,136
    • Issue date Dec 18, 2012
    • Sanyo Electric Co., LTD
    • Mitsuhiro Hiruma
    • G11 - INFORMATION STORAGE
  • 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 8,310,911
    • Issue date Nov 13, 2012
    • Sanyo Electric Co., Ltd.
    • Chiaki Asakawa
    • 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 20120069725
    • Publication date Mar 22, 2012
    • SANYO ELECTRIC CO., LTD.
    • Chiaki Asakawa
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL PICKUP APPARATUS
    • Publication number 20120063286
    • Publication date Mar 15, 2012
    • SANYO ELECTRIC CO., LTD.
    • Chiaki Asakawa
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    OPTICAL PICKUP APPARATUS
    • Publication number 20120051205
    • Publication date Mar 1, 2012
    • SANYO ELECTRIC CO., LTD.
    • Mitsuhiro HIRUMA
    • 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