TREA

Yong LEE

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical transmission system
    • Patent number 9,432,752
    • Issue date Aug 30, 2016
    • Hitachi, Ltd.
    • Kenichi Tanaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical Transmission System
    • Publication number 20150156569
    • Publication date Jun 4, 2015
    • Hitachi, Ltd
    • Kenichi TANAKA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE