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Shigeo Nagashima

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical module
    • Patent number 10,649,147
    • Issue date May 12, 2020
    • NTT Electronics Corporation
    • Tomohiro Nakanishi
    • G02 - OPTICS
  • Information Patent Grant

    Optical waveguide device
    • Patent number 10,310,159
    • Issue date Jun 4, 2019
    • NTT Electronics Corporation
    • Shigeo Nagashima
    • G02 - OPTICS
  • Information Patent Grant

    Waveguide type optical device
    • Patent number 8,467,642
    • Issue date Jun 18, 2013
    • NTT Electronics Corporation
    • Daisuke Ogawa
    • G02 - OPTICS
  • Information Patent Grant

    Apparatus for placing film mask in contact with object
    • Patent number 5,257,067
    • Issue date Oct 26, 1993
    • Adtec Engineering Co., Ltd.
    • Haruo Sakamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20190353844
    • Publication date Nov 21, 2019
    • NTT ELECTRONICS CORPORATION
    • Tomohiro Nakanishi
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE DEVICE
    • Publication number 20180136392
    • Publication date May 17, 2018
    • NTT ELECTRONICS CORPORATION
    • Shigeo Nagashima
    • G02 - OPTICS
  • Information Patent Application

    WAVEGUIDE TYPE OPTICAL DEVICE
    • Publication number 20100322556
    • Publication date Dec 23, 2010
    • Daisuke Ogawa
    • G02 - OPTICS