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Hidetoshi Oka

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Glass antenna
    • Patent number 8,947,306
    • Issue date Feb 3, 2015
    • Nippon Sheet Glass Company, Ltd.
    • Kosuke Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Glass antenna and glass antenna system using the same
    • Patent number 6,906,671
    • Issue date Jun 14, 2005
    • Nippon Sheet Glass Company, Limited
    • Hidetoshi Oka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Antenna structure for vehicles
    • Patent number 6,825,812
    • Issue date Nov 30, 2004
    • Kojima Press Industry Co., Ltd.
    • Makoto Yokota
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Glass antenna system for mobile communication
    • Patent number 6,441,791
    • Issue date Aug 27, 2002
    • Nippon Sheet Glass Co., Ltd.
    • Hidetoshi Oka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vehicle glass antenna
    • Patent number 6,369,767
    • Issue date Apr 9, 2002
    • Nippon Sheet Glass, Co., Ltd.
    • Hidetoshi Oka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Glass window antenna system for motor vehicles
    • Patent number 6,215,450
    • Issue date Apr 10, 2001
    • Nippon Sheet Glass Co., Ltd.
    • Hidetoshi Oka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Window glass antenna system
    • Patent number 6,028,557
    • Issue date Feb 22, 2000
    • Nippon Sheet Glass Co., Ltd.
    • Hidetoshi Oka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Window glass antenna system
    • Patent number 5,907,308
    • Issue date May 25, 1999
    • Nippon Sheet Glass Co., Ltd.
    • Hidetoshi Oka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Window glass antenna
    • Patent number 5,565,876
    • Issue date Oct 15, 1996
    • Nippon Sheet Glass Co., Ltd.
    • Harunori Murakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Window glass antenna for a motor vehicle
    • Patent number 5,231,410
    • Issue date Jul 27, 1993
    • Nippon Sheet Glass Co., Ltd.
    • Harunori Murakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vehicle receiving apparatus using a window antenna
    • Patent number 4,864,316
    • Issue date Sep 5, 1989
    • Nippon Sheet Glass Co.
    • Sakurai Kaoru
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    GLASS ANTENNA
    • Publication number 20230098170
    • Publication date Mar 30, 2023
    • Nippon Sheet Glass Company, Limited
    • Hidetoshi OKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    GLASS ANTENNA
    • Publication number 20130027257
    • Publication date Jan 31, 2013
    • Kosuke Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Diversity antenna and method for controlling the same
    • Publication number 20040130496
    • Publication date Jul 8, 2004
    • Hiroshi Iijima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Glass antenna and glass antenna system using the same
    • Publication number 20040056810
    • Publication date Mar 25, 2004
    • Hidetoshi Oka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Antenna structure for vehicles
    • Publication number 20030227413
    • Publication date Dec 11, 2003
    • Kojima Press Industry Co., Ltd.
    • Makoto Yokota
    • H01 - BASIC ELECTRIC ELEMENTS