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Yuki KAWAGUCHI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber
    • Patent number 11,971,571
    • Issue date Apr 30, 2024
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka Sakuma
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber and optical cable
    • Patent number 11,841,529
    • Issue date Dec 12, 2023
    • Sumitomo Electric Industries, Ltd.
    • Takemi Hasegawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 11,774,672
    • Issue date Oct 3, 2023
    • Sumitomo Electric Industries, Ltd.
    • Yuki Kawaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Mode-dependent loss measurement device and mode-dependent loss meas...
    • Patent number 11,754,466
    • Issue date Sep 12, 2023
    • Sumitomo Electric Industries, Ltd.
    • Takemi Hasegawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical fiber
    • Patent number 11,740,404
    • Issue date Aug 29, 2023
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka Sakuma
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 11,714,226
    • Issue date Aug 1, 2023
    • Sumitomo Electric Industries, Ltd.
    • Yoshiaki Tamura
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 11,366,267
    • Issue date Jun 21, 2022
    • Sumitomo Electric Industries, Ltd.
    • Yoshinori Yamamoto
    • G02 - OPTICS
  • Information Patent Grant

    Method of manufacturing optical fiber preform and optical fiber pre...
    • Patent number 11,345,627
    • Issue date May 31, 2022
    • Sumitomo Electric Industries, Ltd.
    • Tetsuya Haruna
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Optical fiber, colored optical fiber, and optical transmission system
    • Patent number 11,280,958
    • Issue date Mar 22, 2022
    • Sumitomo Electric Industries, Ltd.
    • Yuki Kawaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber, colored optical fiber, and optical transmission system
    • Patent number 11,169,322
    • Issue date Nov 9, 2021
    • Sumitomo Electric Industries, Ltd.
    • Yuki Kawaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 11,137,542
    • Issue date Oct 5, 2021
    • Sumitomo Electric Industries, Ltd.
    • Masato Suzuki
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 11,099,322
    • Issue date Aug 24, 2021
    • Sumitomo Electric Industries, Ltd.
    • Masato Suzuki
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 11,048,040
    • Issue date Jun 29, 2021
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka Sakuma
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber, coated optical fiber, and optical transmission system
    • Patent number 10,989,864
    • Issue date Apr 27, 2021
    • Sumitomo Electric Industries, Ltd.
    • Yuki Kawaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 10,656,326
    • Issue date May 19, 2020
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka Sakuma
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical fiber
    • Patent number 10,656,329
    • Issue date May 19, 2020
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka Sakuma
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical fiber preform
    • Patent number 10,155,687
    • Issue date Dec 18, 2018
    • Sumitomo Electric Industries, Ltd.
    • Yoshiaki Tamura
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical fiber
    • Patent number 10,139,558
    • Issue date Nov 27, 2018
    • Sumitomo Electric Industries, Ltd.
    • Yuki Kawaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber and optical fiber transmission path
    • Patent number 9,977,183
    • Issue date May 22, 2018
    • Sumitomo Electric Industries, Ltd.
    • Yuki Kawaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 9,575,245
    • Issue date Feb 21, 2017
    • Sumitomo Electric Industries, Ltd.
    • Yoshiaki Tamura
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical fiber transmission line
    • Patent number 9,385,813
    • Issue date Jul 5, 2016
    • Sumitomo Electric Industries, Ltd.
    • Yuki Kawaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical fiber
    • Patent number 9,291,771
    • Issue date Mar 22, 2016
    • Sumitomo Electric Industries, Ltd.
    • Yuki Kawaguchi
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20240036251
    • Publication date Feb 1, 2024
    • Sumitomo Electric Industries, Ltd.
    • Shin SATO
    • G02 - OPTICS
  • Information Patent Application

    PRODUCTION METHOD FOR OPTICAL FIBER BASE MATERIAL, AND OPTICAL FIBE...
    • Publication number 20230322605
    • Publication date Oct 12, 2023
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER BENDING LOSS MEASURING METHOD
    • Publication number 20230314278
    • Publication date Oct 5, 2023
    • Sumitomo Electric Industries, Ltd.
    • Chonde TEI
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20230266523
    • Publication date Aug 24, 2023
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    BENDING-IMPARTING DEVICE FOR MEASURING BENDING LOSS, AND BENDING TE...
    • Publication number 20230236087
    • Publication date Jul 27, 2023
    • Sumitomo Electric Industries, Ltd.
    • Yuki KAWAGUCHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL FIBER AND OPTICAL CABLE
    • Publication number 20230228936
    • Publication date Jul 20, 2023
    • Sumitomo Electric Industries, Ltd.
    • Takemi HASEGAWA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER AND METHOD FOR PRODUCING OPTICAL FIBER
    • Publication number 20230228937
    • Publication date Jul 20, 2023
    • Sumitomo Electric Industries, Ltd.
    • Takemi HASEGAWA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    METHOD FOR PRODUCING OPTICAL FIBER BASE MATERIAL, AND OPTICAL FIBER...
    • Publication number 20230202904
    • Publication date Jun 29, 2023
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20230101392
    • Publication date Mar 30, 2023
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20230037687
    • Publication date Feb 9, 2023
    • Sumitomo Electric Industries, Ltd.
    • Yuki KAWAGUCHI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20230016133
    • Publication date Jan 19, 2023
    • Sumitomo Electric Industries, Ltd.
    • Takemi HASEGAWA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20220206214
    • Publication date Jun 30, 2022
    • Sumitomo Electric Industries, Ltd.
    • Yoshiaki TAMURA
    • G02 - OPTICS
  • Information Patent Application

    METHOD FOR MANUFACTURING OPTICAL FIBER
    • Publication number 20220009817
    • Publication date Jan 13, 2022
    • Sumitomo Electric Industries, Ltd.
    • Yuki KAWAGUCHI
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    MODE-DEPENDENT LOSS MEASUREMENT DEVICE AND MODE-DEPENDENT LOSS MEAS...
    • Publication number 20210372882
    • Publication date Dec 2, 2021
    • Sumitomo Electric Industries, Ltd.
    • Takemi HASEGAWA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20210294028
    • Publication date Sep 23, 2021
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20210199886
    • Publication date Jul 1, 2021
    • Sumitomo Electric Industries, Ltd.
    • Masato SUZUKI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20210132291
    • Publication date May 6, 2021
    • Sumitomo Electric Industries, Ltd.
    • Yoshinori YAMAMOTO
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20200400879
    • Publication date Dec 24, 2020
    • SUMITOMO ELECTRIC INDUSTRIES, LTD.
    • Yuki KAWAGUCHI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20200393614
    • Publication date Dec 17, 2020
    • Sumitomo Electric Industries, Ltd.
    • Masato SUZUKI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER, COATED OPTICAL FIBER, AND OPTICAL TRANSMISSION SYSTEM
    • Publication number 20200333528
    • Publication date Oct 22, 2020
    • Sumitomo Electric Industries, Ltd.
    • Yuki KAWAGUCHI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20200292750
    • Publication date Sep 17, 2020
    • Sumitomo Electric Industries, Ltd.
    • Masato SUZUKI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20200249393
    • Publication date Aug 6, 2020
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20200241198
    • Publication date Jul 30, 2020
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER CABLE
    • Publication number 20200225432
    • Publication date Jul 16, 2020
    • Sumitomo Electric Industries, Ltd.
    • Hiroki ISHIKAWA
    • G02 - OPTICS
  • Information Patent Application

    MANUFACTURING METHOD OF OPTICAL FIBER
    • Publication number 20200189958
    • Publication date Jun 18, 2020
    • Sumitomo Electric Industries, Ltd.
    • Yuki KAWAGUCHI
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20200024182
    • Publication date Jan 23, 2020
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20190324195
    • Publication date Oct 24, 2019
    • Sumitomo Electric Industries, Ltd.
    • Hirotaka SAKUMA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER, COLORED OPTICAL FIBER, AND OPTICAL TRANSMISSION SYSTEM
    • Publication number 20190278020
    • Publication date Sep 12, 2019
    • Sumitomo Electric Industries, Ltd.
    • Yuki KAWAGUCHI
    • G02 - OPTICS
  • Information Patent Application

    METHOD OF MANUFACTURING OPTICAL FIBER PREFORM AND OPTICAL FIBER PRE...
    • Publication number 20190270662
    • Publication date Sep 5, 2019
    • Sumitomo Electric Industries, Ltd.
    • Tetsuya HARUNA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL FIBER AND OPTICAL FIBER TRANSMISSION PATH
    • Publication number 20170131468
    • Publication date May 11, 2017
    • Sumitomo Electric Industries, Ltd.
    • Yuki KAWAGUCHI
    • G02 - OPTICS