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Toru Kawamoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Glass composition
    • Patent number 7,294,594
    • Issue date Nov 13, 2007
    • Nippon Electric Glass Co., Ltd.
    • Toru Kawamoto
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Alkali-resistant glass for forming glass fibers
    • Patent number 5,064,785
    • Issue date Nov 12, 1991
    • Nippon Electric Glass Co., Ltd.
    • Toru Kawamoto
    • C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

  • Information Patent Application

    Glass composition
    • Publication number 20040186000
    • Publication date Sep 23, 2004
    • Toru Kawamoto
    • C03 - GLASS MINERAL OR SLAG WOOL