TREA

Osami Ishida

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  • Kamakura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Antenna device having a band pass filter
    • Patent number 5,684,492
    • Issue date Nov 4, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenichi Kagoshima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Inverted F antenna with non-contact feeding
    • Patent number 5,434,579
    • Issue date Jul 18, 1995
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenichi Kagoshima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Directional coupler
    • Patent number 4,607,240
    • Issue date Aug 19, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoji Isota
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Crossed waveguide type polarization separator
    • Patent number 4,490,696
    • Issue date Dec 25, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Fumio Takeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Antenna feed system
    • Patent number 4,345,255
    • Issue date Aug 17, 1982
    • Kokusai Denshin Denwa Co., Ltd.
    • Keigo Komuro
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE