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Richard Underwood

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  • Enfield, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Communications network
    • Patent number 11,678,149
    • Issue date Jun 13, 2023
    • Metaswitch Networks Ltd
    • Richard Underwood
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Communications network
    • Patent number 11,089,452
    • Issue date Aug 10, 2021
    • Metaswitch Networks Ltd
    • Richard Underwood
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Establishing a telephony session
    • Patent number 11,070,678
    • Issue date Jul 20, 2021
    • Metaswitch Networks Ltd
    • David Hotham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Call control in telephony-capable communications networks
    • Patent number 10,750,027
    • Issue date Aug 18, 2020
    • Metaswitch Networks Ltd
    • Richard Underwood
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Establishing a telephony session
    • Patent number 10,623,579
    • Issue date Apr 14, 2020
    • Metaswitch Networks Ltd
    • David Hotham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Establishing a telephony session
    • Patent number 10,498,903
    • Issue date Dec 3, 2019
    • Metaswitch Networks Ltd
    • David Hotham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Communications Network
    • Publication number 20220007156
    • Publication date Jan 6, 2022
    • Metaswitch Networks Ltd.
    • Richard UNDERWOOD
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COMMUNICATIONS NETWORK
    • Publication number 20200336867
    • Publication date Oct 22, 2020
    • Metaswitch Networks Ltd.
    • Richard UNDERWOOD
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CALL CONTROL
    • Publication number 20200336516
    • Publication date Oct 22, 2020
    • Metaswitch Networks Ltd.
    • Mark STEWART
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ESTABLISHING A TELEPHONY SESSION
    • Publication number 20200204683
    • Publication date Jun 25, 2020
    • Metaswitch Networks Ltd.
    • David Hotham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ESTABLISHING A TELEPHONY SESSION
    • Publication number 20190268477
    • Publication date Aug 29, 2019
    • Metaswitch Networks Ltd.
    • David Hotham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ESTABLISHING A TELEPHONY SESSION
    • Publication number 20190068789
    • Publication date Feb 28, 2019
    • Metaswitch Networks Ltd.
    • David Hotham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE