Toshiaki Murayama

Person

  • Chiba, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber

    • Patent number 4,679,899
    • Issue date Jul 14, 1987
    • Fujikura Ltd.
    • Toshiaki Kobayashi
    • C03 - GLASS MINERAL OR SLAG WOOL