Youko Yamanashi

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Glass preform manufacturing method

    • Patent number 8,141,391
    • Issue date Mar 27, 2012
    • Furukawa Electric Co., Ltd.
    • Kenichi Takahashi
    • C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

  • Information Patent Application

    GLASS PREFORM MANUFACTURING METHOD

    • Publication number 20100300151
    • Publication date Dec 2, 2010
    • FURUKAWA ELECTRIC CO., LTD.
    • Kenichi TAKAHASHI
    • C03 - GLASS MINERAL OR SLAG WOOL