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Kei KATOU

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    LENS UNIT, OPTICAL WAVEGUIDE DEVICE, AND OPTICAL TRANSMISSION DEVICE
    • Publication number 20240201455
    • Publication date Jun 20, 2024
    • SUMITOMO OSAKA CEMENT CO., LTD.
    • Kei Katou
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE DEVICE
    • Publication number 20210373408
    • Publication date Dec 2, 2021
    • Sumitomo Osaka Cement Co., Ltd.
    • Kei KATOU
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE DEVICE
    • Publication number 20200033692
    • Publication date Jan 30, 2020
    • Sumitomo Osaka Cement Co., Ltd.
    • Kei KATOU
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20190302378
    • Publication date Oct 3, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Tokutaka HARA
    • G02 - OPTICS
  • Information Patent Application

    POSITIONING MEMBER AND POLARIZATION BEAM COMBINING MODULE USING POS...
    • Publication number 20190302471
    • Publication date Oct 3, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Tokutaka HARA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20190258089
    • Publication date Aug 22, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Kei KATOU
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FLEXIBLE PRINTED CIRCUIT AND OPTICAL DEVICE
    • Publication number 20190239352
    • Publication date Aug 1, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu MIYAZAKI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20190113778
    • Publication date Apr 18, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu MIYAZAKI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20190025612
    • Publication date Jan 24, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Kei KATOU
    • G02 - OPTICS
  • Information Patent Application

    COMMUNICATION DEVICE, COMMUNICATION METHOD AND COMPUTER PROGRAM
    • Publication number 20180314813
    • Publication date Nov 1, 2018
    • KDDI CORPORATION
    • Keisuke TAKEMORI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CONNECTION STRUCTURE BETWEEN OPTICAL DEVICE AND CIRCUIT SUBSTRATE,...
    • Publication number 20180288874
    • Publication date Oct 4, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Toshio KATAOKA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CONTROL ELEMENT MODULE
    • Publication number 20180287274
    • Publication date Oct 4, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Toshio KATAOKA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL COMMUNICATION MODULE AND OPTICAL MODULATOR USED THEREIN
    • Publication number 20180284494
    • Publication date Oct 4, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu MIYAZAKI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    FPC-ATTACHED OPTICAL MODULATOR AND OPTICAL TRANSMISSION APPARATUS U...
    • Publication number 20180180908
    • Publication date Jun 28, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Kei KATOU
    • 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 MODULATOR
    • Publication number 20170276975
    • Publication date Sep 28, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • KEI KATOU
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20170276973
    • Publication date Sep 28, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • KEI KATOU
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20170276974
    • Publication date Sep 28, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • KEI KATOU
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20170276972
    • Publication date Sep 28, 2017
    • Sumitomo Osaka Cement Co., Ltd.
    • KEI KATOU
    • 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-WAVEGUIDE-ELEMENT MODULE
    • Publication number 20150063743
    • Publication date Mar 5, 2015
    • SUMITOMO OSAKA CEMENT CO., LTD.
    • Kei Katou
    • G02 - OPTICS
  • Information Patent Application

    PATTERNED RETARDATION FILM FOR THREE-DIMENSIONAL DISPLAY AND METHOD...
    • Publication number 20140085597
    • Publication date Mar 27, 2014
    • DAI NIPPON PRINTING CO., LTD.
    • Kei Katou
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20140023310
    • Publication date Jan 23, 2014
    • SUMITOMO OSAKA CEMENT CO. LTD
    • Kei Katou
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE DEVICE
    • Publication number 20130195400
    • Publication date Aug 1, 2013
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Application

    Condition-analyzing device
    • Publication number 20060279428
    • Publication date Dec 14, 2006
    • Sumitomo Osaka Cement Co., Ltd.
    • Isao Sato
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Three-dimensional shape-measuring device
    • Publication number 20060239538
    • Publication date Oct 26, 2006
    • Isao Sato
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Monitoring apparatus
    • Publication number 20040210155
    • Publication date Oct 21, 2004
    • Yasuhiro Takemura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE