TREA

Kiyohiko Itoh

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  • Chuo-ku, Sapporo-shi, Hokkaido, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slot array antenna with cavities
    • Patent number 6,342,864
    • Issue date Jan 29, 2002
    • Kokusai Electric Co., Ltd.
    • Mitsuru Muramoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Small antenna
    • Patent number 5,023,621
    • Issue date Jun 11, 1991
    • Kokusai Electric Co., Ltd.
    • Katsumi Ushiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Miniature antenna
    • Patent number 5,017,932
    • Issue date May 21, 1991
    • Kokusai Electric Co., Ltd.
    • Katsumi Ushiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Portable radio receiver
    • Patent number 5,001,778
    • Issue date Mar 19, 1991
    • Kokusai Electric Co., Ltd.
    • Katsumi Ushiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Planar antenna with patch radiators
    • Patent number 4,755,821
    • Issue date Jul 5, 1988
    • Kabushiki Kaisha Toshiba
    • Kiyohiko Itoh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Strip antenna with polarization control
    • Patent number 4,454,514
    • Issue date Jun 12, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Kiyohiko Itoh
    • H01 - BASIC ELECTRIC ELEMENTS