TREA

Takatomi Kabashima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical signal quality supervisory device
    • Patent number 6,801,720
    • Issue date Oct 5, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Takashi Mizuochi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical switching system
    • Patent number 6,434,288
    • Issue date Aug 13, 2002
    • KDD Corporation
    • Aritomo Uemura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE