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Efstratios Doumanis

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  • Helsinki, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Antenna system
    • Patent number 11,996,638
    • Issue date May 28, 2024
    • Nokia Solutions and Networks Oy
    • Efstratios Doumanis
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Antenna system with radiator extensions
    • Patent number 11,527,830
    • Issue date Dec 13, 2022
    • Nokia Solutions and Networks Oy
    • Efstratios Doumanis
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Resonator for radio frequency signals
    • Patent number 11,121,445
    • Issue date Sep 14, 2021
    • Nokia Solutions and Networks Oy
    • Efstratios Doumanis
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Resonator
    • Publication number 20230395964
    • Publication date Dec 7, 2023
    • Nokia Solutions and Networks Oy
    • Efstratios DOUMANIS
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Frequency Adjustable Filter
    • Publication number 20230291084
    • Publication date Sep 14, 2023
    • Nokia Solutions and Networks Oy
    • Efstratios Doumanis
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ANTENNA SYSTEM
    • Publication number 20220166133
    • Publication date May 26, 2022
    • Nokia Solutions and Networks Oy
    • Efstratios DOUMANIS
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ANTENNA SYSTEM
    • Publication number 20210234271
    • Publication date Jul 29, 2021
    • Nokia Solutions and Networks Oy
    • Efstratios DOUMANIS
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Resonator for Radio Frequency Signals
    • Publication number 20200176850
    • Publication date Jun 4, 2020
    • Nokia Solutions and Networks Oy
    • Efstratios Doumanis
    • H01 - BASIC ELECTRIC ELEMENTS