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Yoshiaki Ikoma

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical network
    • Patent number 7,302,176
    • Issue date Nov 27, 2007
    • Hitachi, Ltd.
    • Shinji Sakano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical network
    • Publication number 20040213564
    • Publication date Oct 28, 2004
    • Shinji Sakano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical network
    • Publication number 20010026384
    • Publication date Oct 4, 2001
    • Shinji Sakano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE