TREA

Shigeru TSUBOTA

Follow

Person

  • Tsuchiura, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Relay apparatus
    • Patent number 10,298,520
    • Issue date May 21, 2019
    • APRESIA Systems, Ltd.
    • Muneyuki Ikarashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Relay system and switching device
    • Patent number 9,819,536
    • Issue date Nov 14, 2017
    • Hitachi Metals, Ltd.
    • Shigeru Tsubota
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Relay system and switching device
    • Patent number 9,794,194
    • Issue date Oct 17, 2017
    • Hitachi Metals, Ltd.
    • Makoto Yasuda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Relay system and switching device
    • Patent number 9,590,815
    • Issue date Mar 7, 2017
    • Hitachi Metals, Ltd.
    • Makoto Yasuda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Relay system and switching device
    • Patent number 9,525,591
    • Issue date Dec 20, 2016
    • Hitachi Metals, Ltd.
    • Makoto Yasuda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Relay system and switching device
    • Patent number 9,525,609
    • Issue date Dec 20, 2016
    • Hitachi Metals, Ltd.
    • Makoto Yasuda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Communication system and network relay device
    • Patent number 9,300,529
    • Issue date Mar 29, 2016
    • Hitachi Metals, Ltd.
    • Shigeru Tsubota
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Relay System and Switching Device
    • Publication number 20160191302
    • Publication date Jun 30, 2016
    • Hitachi Metals, Ltd.
    • Shigeru TSUBOTA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Relay Apparatus
    • Publication number 20160149835
    • Publication date May 26, 2016
    • Hitachi Metals, Ltd.
    • Muneyuki IKARASHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Relay System and Switching Device
    • Publication number 20150333954
    • Publication date Nov 19, 2015
    • Hitachi Metals, Ltd.
    • Makoto YASUDA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Relay System and Switching Device
    • Publication number 20150312121
    • Publication date Oct 29, 2015
    • Hitachi Metals, Ltd.
    • Makoto YASUDA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Relay System and Switching Device
    • Publication number 20150312090
    • Publication date Oct 29, 2015
    • Hitachi Metals, Ltd.
    • Makoto YASUDA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Relay System and Switching Device
    • Publication number 20150288559
    • Publication date Oct 8, 2015
    • Hitachi Metals, Ltd.
    • Makoto YASUDA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Communication System and Network Relay Device
    • Publication number 20140204953
    • Publication date Jul 24, 2014
    • Hitachi Metals, Ltd.
    • Shigeru TSUBOTA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE