TREA

Erkki O. Niiranen

Follow

Person

  • SF-91100-Ii, FI
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    RF FILTER
    • Publication number 20170084972
    • Publication date Mar 23, 2017
    • Erkki Niiranen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    TUNING ELEMENT FOR RADIO FREQUENCY RESONATOR
    • Publication number 20170084977
    • Publication date Mar 23, 2017
    • Tongyu Technology Oy
    • Erkki Niiranen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIRECTIONAL COUPLER
    • Publication number 20090146758
    • Publication date Jun 11, 2009
    • Erkki Niiranen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ANTENNA END FILTER ARRANGEMENT
    • Publication number 20090058556
    • Publication date Mar 5, 2009
    • Powerwave Comtek Oy
    • Erkki Niiranen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INPUT ARRANGEMENT FOR A LOW-NOISE AMPLIFIER PAIR
    • Publication number 20070132528
    • Publication date Jun 14, 2007
    • FILTRONIC COMTEK OY
    • Erkki Niiranen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Arrangement for dividing a filter output signal
    • Publication number 20060252400
    • Publication date Nov 9, 2006
    • FILTRONIC COMTEK OY
    • Erkki Niiranen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Resonator filter
    • Publication number 20020036551
    • Publication date Mar 28, 2002
    • FILTRONIC LK OY
    • Erkki Niiranen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    High-pass filter
    • Publication number 20020036552
    • Publication date Mar 28, 2002
    • FILTRONIC LK OY
    • Erkki Niiranen
    • H01 - BASIC ELECTRIC ELEMENTS