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Chikara SAWAGUCHI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Network switch
    • Patent number 9,391,835
    • Issue date Jul 12, 2016
    • Hitachi Metals, Ltd.
    • Kenji Aoshima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Network relay device
    • Patent number 9,282,015
    • Issue date Mar 8, 2016
    • Hitachi Metals, Ltd.
    • Chikara Sawaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Chassis type switch
    • Patent number 9,137,150
    • Issue date Sep 15, 2015
    • Hitachi Metals, Ltd.
    • Chikara Sawaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Network relay device, network, and network maintenance and operatio...
    • Patent number 8,717,906
    • Issue date May 6, 2014
    • Hitachi Metals, Ltd.
    • Chikara Sawaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Network Relay Device
    • Publication number 20140293771
    • Publication date Oct 2, 2014
    • Hitachi Metals, Ltd.
    • Chikara SAWAGUCHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    NETWORK SWITCH
    • Publication number 20130272112
    • Publication date Oct 17, 2013
    • Hitachi Cable, Ltd.
    • Kenji Aoshima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CHASSIS TYPE SWITCH
    • Publication number 20130272113
    • Publication date Oct 17, 2013
    • Hitachi Cable, Ltd.
    • Chikara Sawaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Network relay device, network, and network maintenance and operatio...
    • Publication number 20100278048
    • Publication date Nov 4, 2010
    • Hitachi Cable, Ltd.
    • Chikara Sawaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE