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Noritaka Matsubara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Storage container
    • Patent number 12,337,313
    • Issue date Jun 24, 2025
    • Furukawa Electric Co., Ltd.
    • Go Kobayashi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Ring-resonator filter device
    • Patent number 12,282,188
    • Issue date Apr 22, 2025
    • Furukawa Electric Co., Ltd.
    • Junichi Hasegawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical waveguide circuit
    • Patent number 11,835,759
    • Issue date Dec 5, 2023
    • Furukawa Electric Co., Ltd.
    • Noritaka Matsubara
    • G02 - OPTICS
  • Information Patent Grant

    Optical waveguide circuit having identical polarization-cancelling...
    • Patent number 10,386,576
    • Issue date Aug 20, 2019
    • Furukawa Electric Co., Ltd.
    • Kazutaka Nara
    • G02 - OPTICS
  • Information Patent Grant

    Switch apparatus
    • Patent number 9,488,783
    • Issue date Nov 8, 2016
    • Furukawa Electric Co., Ltd.
    • Junichi Hasegawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical branching element and optical branching circuit
    • Patent number 8,718,423
    • Issue date May 6, 2014
    • Furukawa Electric Co., Ltd.
    • Kazutaka Nara
    • G02 - OPTICS
  • Information Patent Grant

    Waveguide-type optical circuit
    • Patent number 8,380,023
    • Issue date Feb 19, 2013
    • Furukawa Electric Co., Ltd.
    • Noritaka Matsubara
    • G02 - OPTICS
  • Information Patent Grant

    Optical circuit device
    • Patent number 7,492,983
    • Issue date Feb 17, 2009
    • The Furukawa Electric Co., Ltd.
    • Noritaka Matsubara
    • G02 - OPTICS
  • Information Patent Grant

    Dynamic gain equalizer
    • Patent number 7,146,079
    • Issue date Dec 5, 2006
    • The Furukawa Electric Co., Ltd.
    • Kazutaka Nara
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL WAVEGUIDE STRUCTURE
    • Publication number 20250180807
    • Publication date Jun 5, 2025
    • FURUKAWA ELECTRIC CO., LTD.
    • Noritaka MATSUBARA
    • G02 - OPTICS
  • Information Patent Application

    PRISM AND OPTICAL DEVICE
    • Publication number 20250180790
    • Publication date Jun 5, 2025
    • FURUKAWA ELECTRIC CO., LTD.
    • Atsushi KAJI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL COHERENCE TOMOGRAPH
    • Publication number 20240393099
    • Publication date Nov 28, 2024
    • FURUKAWA ELECTRIC CO., LTD.
    • Noritaka MATSUBARA
    • G02 - OPTICS
  • Information Patent Application

    SEMICONDUCTOR OPTICAL DEVICE AND METHOD OF MANUFACTURING SEMICONDUC...
    • Publication number 20230035065
    • Publication date Feb 2, 2023
    • FURUKAWA ELECTRIC CO., LTD.
    • Noritaka MATSUBARA
    • G02 - OPTICS
  • Information Patent Application

    RING-RESONATOR FILTER DEVICE
    • Publication number 20210376570
    • Publication date Dec 2, 2021
    • FURUKAWA ELECTRIC CO., LTD.
    • Junichi HASEGAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL WAVEGUIDE CIRCUIT
    • Publication number 20210373234
    • Publication date Dec 2, 2021
    • FURUKAWA ELECTRIC CO., LTD.
    • Noritaka MATSUBARA
    • G02 - OPTICS
  • Information Patent Application

    STORAGE CONTAINER
    • Publication number 20210362147
    • Publication date Nov 25, 2021
    • FURUKAWA ELECTRIC CO., LTD.
    • Go KOBAYASHI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SWITCH APPARATUS
    • Publication number 20160025930
    • Publication date Jan 28, 2016
    • FURUKAWA ELECTRIC CO., LTD.
    • Junichi HASEGAWA
    • G02 - OPTICS
  • Information Patent Application

    SWITCH DEVICE
    • Publication number 20150172794
    • Publication date Jun 18, 2015
    • FURUKAWA ELECTRIC CO., LTD.
    • Junichi HASEGAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL BRANCHING ELEMENT AND OPTICAL BRANCHING CIRCUIT
    • Publication number 20130330042
    • Publication date Dec 12, 2013
    • FURUKAWA ELECTRIC CO., LTD.
    • Kazutaka Nara
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE CIRCUIT
    • Publication number 20130236136
    • Publication date Sep 12, 2013
    • FURUKAWA ELECTRIC CO., LTD.
    • Kazutaka Nara
    • G02 - OPTICS
  • Information Patent Application

    POLARIZATION SEPARATION ELEMENT AND OPTICAL INTEGRATED ELEMENT
    • Publication number 20130129273
    • Publication date May 23, 2013
    • FURUKAWA ELECTRIC CO., LTD.
    • Kazutaka Nara
    • G02 - OPTICS
  • Information Patent Application

    WAVEGUIDE-TYPE OPTICAL CIRCUIT
    • Publication number 20120014636
    • Publication date Jan 19, 2012
    • FURUKAWA ELECTRIC CO., LTD.
    • Noritaka Matsubara
    • G02 - OPTICS
  • Information Patent Application

    ARRAYED WAVEGUIDE GRATING AND METHOD OF MANUFACTURING ARRAYED WAVEG...
    • Publication number 20110085761
    • Publication date Apr 14, 2011
    • FURUKAWA ELECTRIC CO., LTD.
    • Kazutaka NARA
    • G02 - OPTICS
  • Information Patent Application

    ARRAYED WAVEGUIDE GRATING
    • Publication number 20100303410
    • Publication date Dec 2, 2010
    • FURUKAWA ELECTRIC CO., LTD.
    • Kazutaka Nara
    • G02 - OPTICS
  • Information Patent Application

    Optical Circuit Device
    • Publication number 20080031566
    • Publication date Feb 7, 2008
    • THE FURUKAWA ELECTRIC CO., LTD.
    • Noritaka Matsubara
    • G02 - OPTICS
  • Information Patent Application

    Dynamic gain equalizer
    • Publication number 20060039704
    • Publication date Feb 23, 2006
    • THE FURUKAWA ELECTRIC CO., LTD.
    • Kazutaka Nara
    • H01 - BASIC ELECTRIC ELEMENTS