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Youichi HOSOKAWA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical waveguide device
    • Patent number 10,185,165
    • Issue date Jan 22, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Youichi Hosokawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 10,162,201
    • Issue date Dec 25, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 10,078,253
    • Issue date Sep 18, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Youichi Hosokawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical waveguide element module
    • Patent number 10,025,121
    • Issue date Jul 17, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Kei Katou
    • G02 - OPTICS
  • Information Patent Grant

    Optical device
    • Patent number 9,977,270
    • Issue date May 22, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Yoshizumi Ishikawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulation device
    • Patent number 9,778,539
    • Issue date Oct 3, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Grant

    Optical pulse-generator and optical pulse-generating method
    • Patent number 9,570,879
    • Issue date Feb 14, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • Tokutaka Hara
    • G02 - OPTICS
  • Information Patent Grant

    Optical device
    • Patent number 9,523,872
    • Issue date Dec 20, 2016
    • Sumitomo Osaka Cement Co., Ltd.
    • Toshio Kataoka
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 9,250,455
    • Issue date Feb 2, 2016
    • Sumitomo Osaka Cement Co., Ltd.
    • Youichi Hosokawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical modulator
    • Patent number 8,909,001
    • Issue date Dec 9, 2014
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL WAVEGUIDE DEVICE
    • Publication number 20180039104
    • Publication date Feb 8, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Youichi HOSOKAWA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20180017839
    • Publication date Jan 18, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Youichi HOSOKAWA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20170307911
    • Publication date Oct 26, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20170227798
    • Publication date Aug 10, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • Yoshizumi ISHIKAWA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE ELEMENT MODULE
    • Publication number 20170139240
    • Publication date May 18, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • Kei KATOU
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20170012700
    • Publication date Jan 12, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • Youichi HOSOKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRO-OPTIC ELEMENT
    • Publication number 20160313579
    • Publication date Oct 27, 2016
    • Sumitomo Osaka Cement Co., Ltd.
    • Shiyoshi YOKOYAMA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20160291351
    • Publication date Oct 6, 2016
    • Sumitomo Osaka Cement Co., Ltd.
    • Toshio Kataoka
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATION DEVICE
    • Publication number 20160054638
    • Publication date Feb 25, 2016
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL PULSE-GENERATOR AND OPTICAL PULSE-GENERATING METHOD
    • Publication number 20150029575
    • Publication date Jan 29, 2015
    • Tokutaka Hara
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20140093202
    • Publication date Apr 3, 2014
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20130195394
    • Publication date Aug 1, 2013
    • National Institute of Information and Communications Technology
    • Youichi HOSOKAWA
    • G02 - OPTICS