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Akitoshi Usui

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Imaging optical system
    • Patent number 10,209,494
    • Issue date Feb 19, 2019
    • Hoya Corporation
    • Akitoshi Usui
    • G02 - OPTICS
  • Information Patent Grant

    Imaging optical system
    • Patent number 10,082,648
    • Issue date Sep 25, 2018
    • Hoya Corporation
    • Akitoshi Usui
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGING OPTICAL SYSTEM
    • Publication number 20180364452
    • Publication date Dec 20, 2018
    • HOYA CORPORATION
    • Akitoshi USUI
    • G02 - OPTICS
  • Information Patent Application

    IMAGING OPTICAL SYSTEM
    • Publication number 20170269334
    • Publication date Sep 21, 2017
    • HOYA CORPORATION
    • Akitoshi USUI
    • G02 - OPTICS
  • Information Patent Application

    IMAGING OPTICAL SYSTEM
    • Publication number 20160209624
    • Publication date Jul 21, 2016
    • HOYA CORPORATION
    • Akitoshi USUI
    • G02 - OPTICS
  • Information Patent Application

    Individual identifying/attribute authenticating system and individu...
    • Publication number 20080027865
    • Publication date Jan 31, 2008
    • Oki Electric Industry Co., Ltd.
    • Akitoshi Usui
    • G06 - COMPUTING CALCULATING COUNTING