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Yoko Usui

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  • Otsu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical glass for mold press forming
    • Patent number 8,951,926
    • Issue date Feb 10, 2015
    • Nippon Electric Glass Co., Ltd.
    • Takahiro Matano
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass for mold press forming
    • Patent number 8,697,589
    • Issue date Apr 15, 2014
    • Nippon Electric Glass Co., Ltd.
    • Takahiro Matano
    • C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL GLASS FOR MOLD PRESS FORMING
    • Publication number 20140045675
    • Publication date Feb 13, 2014
    • NIPPON ELECTRIC GLASS CO., LTD.
    • Takahiro Matano
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL GLASS FOR MOLD PRESS FORMING
    • Publication number 20120065051
    • Publication date Mar 15, 2012
    • NIPPON ELECTRIC GLASS CO., LTD.
    • Takahiro Matano
    • C03 - GLASS MINERAL OR SLAG WOOL