TREA

Hidehisa TAZAWA

Follow

Person

  • Yokohama-shi, JP
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL FIBER BUNDLE AND OPTICAL SWITCH
    • Publication number 20240231006
    • Publication date Jul 11, 2024
    • Sumitomo Electric Industries, Ltd.
    • Osamu SHIMAKAWA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER BUNDLE AND OPTICAL SWITCH
    • Publication number 20240134126
    • Publication date Apr 25, 2024
    • Sumitomo Electric Industries, Ltd.
    • Osamu SHIMAKAWA
    • G02 - OPTICS
  • Information Patent Application

    METHOD OF PRODUCING NONLINEAR OPTICAL DEVICE
    • Publication number 20230330955
    • Publication date Oct 19, 2023
    • National Institute of Information and Communications Technology
    • Hidehisa TAZAWA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    OPTICAL FIBER CONNECTION STRUCTURE
    • Publication number 20230228950
    • Publication date Jul 20, 2023
    • Sumitomo Electric Industries, Ltd.
    • Osamu SHIMAKAWA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CONNECTION STRUCTURE
    • Publication number 20230228947
    • Publication date Jul 20, 2023
    • Sumitomo Electric Industries, Ltd.
    • Osamu SHIMAKAWA
    • G02 - OPTICS
  • Information Patent Application

    WAVELENGTH MULTIPLEXER/DEMULTIPLEXER
    • Publication number 20230168432
    • Publication date Jun 1, 2023
    • Sumitomo Electric Industries, Ltd.
    • Masato TANAKA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WAVELENGTH MULTIPLEXING/DEMULTIPLEXING DEVICE
    • Publication number 20230010259
    • Publication date Jan 12, 2023
    • Sumitomo Electric Industries, Ltd.
    • Masato TANAKA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL CONNECTION STRUCTURE
    • Publication number 20200284988
    • Publication date Sep 10, 2020
    • Sumitomo Electric Industries, Ltd.
    • Masato TANAKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL FIBER AMPLIFIER
    • Publication number 20190379174
    • Publication date Dec 12, 2019
    • Sumitomo Electric Industries, Ltd.
    • Osamu SHIMAKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL FIBER AMPLIFIER
    • Publication number 20190379175
    • Publication date Dec 12, 2019
    • Sumitomo Electric Industries, Ltd.
    • Osamu SHIMAKAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL CONNECTION COMPONENT AND METHOD OF MANUFACTURING OPTICAL CO...
    • Publication number 20190331861
    • Publication date Oct 31, 2019
    • Sumitomo Electric Industries, Ltd.
    • Osamu SHIMAKAWA
    • G02 - OPTICS
  • Information Patent Application

    SECOND-ORDER NONLINEAR OPTICAL COMPOUND AND NONLINEAR OPTICAL ELEME...
    • Publication number 20180224577
    • Publication date Aug 9, 2018
    • National Institute of Information and Communications Technology
    • Akira OTOMO
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    SECOND-ORDER NONLINEAR OPTICAL COMPOUND AND NONLINEAR OPTICAL ELEME...
    • Publication number 20160318889
    • Publication date Nov 3, 2016
    • National Institute of Information and Communications Technology
    • Akira OTOMO
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20160306116
    • Publication date Oct 20, 2016
    • Sumitomo Electric Industries, Ltd.
    • Hidehisa Tazawa
    • G02 - OPTICS
  • Information Patent Application

    WAVELENGTH SELECTOR SWITCH
    • Publication number 20160216452
    • Publication date Jul 28, 2016
    • Sumitomo Electric Industries, Ltd.
    • Masaki SUZUKI
    • G02 - OPTICS
  • Information Patent Application

    WAVELENGTH SELECTIVE SWITCH
    • Publication number 20150358698
    • Publication date Dec 10, 2015
    • Sumitomo Electric Industries, Ltd.
    • Kenichiro TAKAHASHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WAVELENGTH SELECTIVE SWITCH
    • Publication number 20150358699
    • Publication date Dec 10, 2015
    • Sumitomo Electric Industries, Ltd.
    • Manabu SHIOZAKI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WAVELENGTH SELECTIVE SWITCH
    • Publication number 20150078748
    • Publication date Mar 19, 2015
    • Sumitomo Electric Industries, Ltd.
    • Hidehisa TAZAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SECOND-ORDER NONLINEAR OPTICAL COMPOUND AND NONLINEAR OPTICAL ELEME...
    • Publication number 20150048284
    • Publication date Feb 19, 2015
    • National Institute of Information and Communications Technology
    • Akira OTOMO
    • G02 - OPTICS
  • Information Patent Application

    DISPERSIVE DEVICE AND WAVELENGTH SELECTIVE SWITCH
    • Publication number 20140368916
    • Publication date Dec 18, 2014
    • Manabu SHIOZAKI
    • G02 - OPTICS
  • Information Patent Application

    WAVELENGTH SELECTIVE SWITCH
    • Publication number 20140321796
    • Publication date Oct 30, 2014
    • Sumitomo Electric Industries, Ltd.
    • Takafumi OHTSUKA
    • G02 - OPTICS
  • Information Patent Application

    WAVELENGTH SELECTIVE SWITCH
    • Publication number 20140268305
    • Publication date Sep 18, 2014
    • Sumitomo Electric Industries, Ltd.
    • Hidehisa TAZAWA
    • G02 - OPTICS
  • Information Patent Application

    WAVELENGTH SELECTIVE SWITCH
    • Publication number 20140071511
    • Publication date Mar 13, 2014
    • Sumitomo Electric Industries, Ltd.
    • Masaki SUZUKI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20130235459
    • Publication date Sep 12, 2013
    • Sumitomo Electric Industries, Ltd.
    • Manabu Shiozaki
    • G02 - OPTICS
  • Information Patent Application

    SECOND-ORDER NONLINEAR OPTICAL COMPOUND AND NONLINEAR OPTICAL ELEME...
    • Publication number 20120172599
    • Publication date Jul 5, 2012
    • Akira Otomo
    • C07 - ORGANIC CHEMISTRY