TREA

Koushi Harada

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spectacle lens
    • Patent number 10,718,961
    • Issue date Jul 21, 2020
    • HOYA LENS THAILAND LTD.
    • Yoshitaka Matsui
    • G02 - OPTICS
  • Information Patent Grant

    Eyeglass lens having improved heat resistance and scratch resistance
    • Patent number 10,054,715
    • Issue date Aug 21, 2018
    • Hoya Corporation
    • Nobuyuki Tadokoro
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Eyeglass lens
    • Patent number 9,927,557
    • Issue date Mar 27, 2018
    • Hoya Corporation
    • Nobuyuki Tadokoro
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Plastic lens
    • Patent number 9,022,585
    • Issue date May 5, 2015
    • Hoya Corporation
    • Yoichi Ogo
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPECTACLE LENS
    • Publication number 20170075144
    • Publication date Mar 16, 2017
    • HOYA LENS THAILAND LTD.
    • Yoshitaka MATSUI
    • G02 - OPTICS
  • Information Patent Application

    SPECTACLE LENS
    • Publication number 20150338554
    • Publication date Nov 26, 2015
    • HOYA CORPORATION
    • Nobuyuki Tadokoro
    • G02 - OPTICS
  • Information Patent Application

    SPECTACLE LENS
    • Publication number 20150268384
    • Publication date Sep 24, 2015
    • HOYA CORPORATION
    • Nobuyuki Tadokoro
    • G02 - OPTICS
  • Information Patent Application

    PLASTIC LENS
    • Publication number 20140063608
    • Publication date Mar 6, 2014
    • HOYA CORPORATION
    • Yoichi Ogo
    • G02 - OPTICS