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Ilpo Martikainen

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  • Iisalmi, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Directive multiway loudspeaker with a waveguide
    • Patent number 11,026,017
    • Issue date Jun 1, 2021
    • Genelec Oy
    • Aki Mäkivirta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker with a waveguide
    • Patent number 10,491,992
    • Issue date Nov 26, 2019
    • Genelec Oy
    • Jussi Väisänen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker base
    • Patent number D850420
    • Issue date Jun 4, 2019
    • Genelec Oy
    • Harri Koskinen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Method and device for storing equalization settings in active louds...
    • Patent number 10,135,414
    • Issue date Nov 20, 2018
    • Genelec Oy
    • Aki Mäkivirta
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Loudspeaker
    • Patent number D820236
    • Issue date Jun 12, 2018
    • Genelec Oy
    • Harri Koskinen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Suspension element for suspending the diaphragm of a loudspeaker dr...
    • Patent number 9,838,793
    • Issue date Dec 5, 2017
    • Genelec Oy
    • Stephen Millar
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number D794605
    • Issue date Aug 15, 2017
    • Genelec Oy
    • Harri Koskinen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker and manufacturing method thereof
    • Patent number 9,462,373
    • Issue date Oct 4, 2016
    • Genelec Oy
    • Markku Kulomäki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker with a wave guide
    • Patent number 9,071,908
    • Issue date Jun 30, 2015
    • Genelec Oy
    • Jussi Väisänen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Drive unit mounting arrangement and loudspeaker
    • Patent number 9,020,178
    • Issue date Apr 28, 2015
    • Genelec Oy
    • Ilpo Martikainen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Nested compound loudspeaker drive unit
    • Patent number 8,452,032
    • Issue date May 28, 2013
    • Genelec Oy
    • Ari Varla
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Reflex loudspeaker structure
    • Patent number 8,150,085
    • Issue date Apr 3, 2012
    • Genelec Oy
    • Ilpo Martikainen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number D599326
    • Issue date Sep 1, 2009
    • Genelec Oy
    • Ilpo Martikainen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Bass-reflex loudspeaker system and method of manufacturing the same
    • Patent number 7,051,835
    • Issue date May 30, 2006
    • Genelec Oy
    • Ilpo Martikainen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number D521494
    • Issue date May 23, 2006
    • Genelec Oy
    • Harri Koskinen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D482676
    • Issue date Nov 25, 2003
    • Genelec Oy
    • Ilpo Martikainen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D480066
    • Issue date Sep 30, 2003
    • Genelec Oy
    • Ilpo Martikainen
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents