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Akitoshi Oikawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Input device, game device, and method and recording medium for same
    • Patent number 6,517,438
    • Issue date Feb 11, 2003
    • Kabushiki Kaisha Sega Enterprises
    • Kenji Tosaki
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Input device, game device, and method and recording medium for same
    • Patent number 6,312,335
    • Issue date Nov 6, 2001
    • Kabushiki Kaisha Sega Enterprises
    • Kenji Tosaki
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Controller for game machine
    • Patent number D415145
    • Issue date Oct 12, 1999
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Joystick
    • Patent number D414761
    • Issue date Oct 5, 1999
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Controller for game machine
    • Patent number D414484
    • Issue date Sep 28, 1999
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Video game machine
    • Patent number D412940
    • Issue date Aug 17, 1999
    • Sega Enterprises, Ltd.
    • Katsumi Kato
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Portable game machine
    • Patent number D410500
    • Issue date Jun 1, 1999
    • Sega Enterprises, Ltd.
    • Kenichi Toma
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Connector cord for video game controller
    • Patent number D409149
    • Issue date May 4, 1999
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Video game machine
    • Patent number D405476
    • Issue date Feb 9, 1999
    • Sega Enterprises, Ltd.
    • Shigemitsu Aoki
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Controller for video game machine
    • Patent number D405079
    • Issue date Feb 2, 1999
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Controller for video game machine
    • Patent number D401974
    • Issue date Dec 1, 1998
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Modem for video game machine
    • Patent number D395314
    • Issue date Jun 16, 1998
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Video game machine
    • Patent number D383800
    • Issue date Sep 16, 1997
    • Sega Enterprises, Ltd.
    • Masami Ishizaki
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Infrared ray receiver for video game machine
    • Patent number D383801
    • Issue date Sep 16, 1997
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Controller for video game machine
    • Patent number D382916
    • Issue date Aug 26, 1997
    • Sega Enterprises, Inc.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Controller for video game machine
    • Patent number D379203
    • Issue date May 13, 1997
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Connector
    • Patent number D378912
    • Issue date Apr 22, 1997
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Controller for video game machine
    • Patent number D377198
    • Issue date Jan 7, 1997
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Input unit for video game machine
    • Patent number D374041
    • Issue date Sep 24, 1996
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Controller for video game machine
    • Patent number D372941
    • Issue date Aug 20, 1996
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Connector
    • Patent number D371114
    • Issue date Jun 25, 1996
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Video displaying unit
    • Patent number D370909
    • Issue date Jun 18, 1996
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Video game machine
    • Patent number D362870
    • Issue date Oct 3, 1995
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Video game machine
    • Patent number D362869
    • Issue date Oct 3, 1995
    • Sega Enterprises, Ltd.
    • Akitoshi Oikawa
    • D21 - Games, toys, and sports goods

Patents Applicationslast 30 patents