TREA

Esa Vuoppola

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  • Oulu, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    High frequency amplification circuit
    • Patent number 6,885,855
    • Issue date Apr 26, 2005
    • ADC Telecommunications, Inc.
    • Esa Vuoppola
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Filter and tuning element
    • Patent number 6,198,363
    • Issue date Mar 6, 2001
    • ADC Telecommunications OY
    • Esa Vuoppola
    • H01 - BASIC ELECTRIC ELEMENTS