selenide glass

Industry

  • CPC
  • H01S3/172
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Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical amplifier

    • Patent number 6,490,082
    • Issue date Dec 3, 2002
    • Electronics and Telecommunications Research Institute
    • Yong Gyu Choi
    • C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical amplifier

    • Publication number 20020033997
    • Publication date Mar 21, 2002
    • Yong Gyu Choi
    • C03 - GLASS MINERAL OR SLAG WOOL