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Masayuki Ichioka

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  • Chiyoda-ku, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical waveguide device
    • Patent number 9,002,165
    • Issue date Apr 7, 2015
    • Sumitomo Osaka Cement Co., Ltd.
    • Masayuki Ichioka
    • G02 - OPTICS
  • Information Patent Grant

    Optical control element having a plurality of optical control portions
    • Patent number 8,983,239
    • Issue date Mar 17, 2015
    • Sumitomo Osaka Cement Co., Ltd.
    • Masayuki Ichioka
    • G02 - OPTICS
  • Information Patent Grant

    Light control device
    • Patent number 8,526,768
    • Issue date Sep 3, 2013
    • Sumitomo Osaka Cement Co., Ltd.
    • Yuhki Kinpara
    • G02 - OPTICS
  • Information Patent Grant

    Mach-zehnder waveguide type optical modulator
    • Patent number 8,406,578
    • Issue date Mar 26, 2013
    • Sumitomo Osaka Cement Co., Ltd.
    • Satoshi Oikawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical control device
    • Patent number 8,380,015
    • Issue date Feb 19, 2013
    • Sumitomo Osaka Cement Co., Ltd.
    • Yuhki Kinpara
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 7,444,039
    • Issue date Oct 28, 2008
    • Sumitomo Osaka Cement Co., Ltd.
    • Katsutoshi Kondou
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 7,362,924
    • Issue date Apr 22, 2008
    • Sumitomo Osaka Cement Co., Ltd.
    • Masayuki Ichioka
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 7,310,453
    • Issue date Dec 18, 2007
    • Sumitomo Osaka Cement Co., Ltd.
    • Junichiro Ichikawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical device
    • Patent number 7,260,280
    • Issue date Aug 21, 2007
    • Sumitomo Osaka Cement Co., Ltd.
    • Masayuki Ichioka
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL WAVEGUIDE DEVICE
    • Publication number 20140050440
    • Publication date Feb 20, 2014
    • SUMITOMO OSAKA CEMENT CO., LTD.
    • Masayuki Ichioka
    • G02 - OPTICS
  • Information Patent Application

    Optical control element
    • Publication number 20120087616
    • Publication date Apr 12, 2012
    • Sumitomo Osaka Cement Co.
    • Masayuki Ichioka
    • G02 - OPTICS
  • Information Patent Application

    Optical waveguide element
    • Publication number 20120087615
    • Publication date Apr 12, 2012
    • Sumitomo Osaka Cement Co., Ltd.
    • Takashi Shinriki
    • G02 - OPTICS
  • Information Patent Application

    MACH-ZEHNDER WAVEGUIDE TYPE OPTICAL MODULATOR
    • Publication number 20110103735
    • Publication date May 5, 2011
    • Sumitomo Osaka Cement Co. Ltd
    • Satoshi Oikawa
    • G02 - OPTICS
  • Information Patent Application

    Light control device
    • Publication number 20100264855
    • Publication date Oct 21, 2010
    • Sumitomo Osaka Cement Co., Ltd.
    • Yuhki Kinpara
    • G02 - OPTICS
  • Information Patent Application

    Optical control device
    • Publication number 20100266234
    • Publication date Oct 21, 2010
    • Sumitomo Osaka Cement Co., Ltd.
    • Yuhki Kinpara
    • G02 - OPTICS
  • Information Patent Application

    Optical modulator
    • Publication number 20080002926
    • Publication date Jan 3, 2008
    • Sumitomo Osaka Cement Co., Ltd.
    • Katsutoshi Kondou
    • G02 - OPTICS
  • Information Patent Application

    Optical modulator
    • Publication number 20070053625
    • Publication date Mar 8, 2007
    • Sumitomo Osaka Cement Co., Ltd.
    • Masayuki Ichioka
    • G02 - OPTICS
  • Information Patent Application

    Optical device
    • Publication number 20060269184
    • Publication date Nov 30, 2006
    • Sumitomo Osaka Cement Co., Ltd.
    • Masayuki Ichioka
    • G02 - OPTICS
  • Information Patent Application

    Optical modulator
    • Publication number 20060110089
    • Publication date May 25, 2006
    • Junichiro Ichikawa
    • G02 - OPTICS
  • Information Patent Application

    Optical device
    • Publication number 20050271313
    • Publication date Dec 8, 2005
    • Sumitomo Osaka Cement Co., Ltd.
    • Satoshi Oikawa
    • G02 - OPTICS
  • Information Patent Application

    Wavelength stabilized module, stable wavelength laser beam generati...
    • Publication number 20040033021
    • Publication date Feb 19, 2004
    • Hitoshi Oguri
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE