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Jun Ohbuchi

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  • Itami, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    IC card and manufacturing method thereof
    • Patent number 6,031,278
    • Issue date Feb 29, 2000
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigeo Onoda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    IC card
    • Patent number 5,994,769
    • Issue date Nov 30, 1999
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigeo Onoda
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    IC card
    • Patent number 5,982,624
    • Issue date Nov 9, 1999
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigeo Onoda
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Non-contact type IC card
    • Patent number 5,952,713
    • Issue date Sep 14, 1999
    • Kenichi Takahira
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    IC card of simple structure
    • Patent number 5,912,806
    • Issue date Jun 15, 1999
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigeo Onoda
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    IC card and method of making the same
    • Patent number 5,774,339
    • Issue date Jun 30, 1998
    • Mitsubishi Denki Kabushiki Kaisha
    • Jun Ohbuchi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    IC card
    • Patent number 5,719,746
    • Issue date Feb 17, 1998
    • Mitsubishi Denki Kabushiki Kaisha
    • Jun Ohbuchi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    IC card with a discharge pattern and a ground pattern separated fro...
    • Patent number 5,671,123
    • Issue date Sep 23, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Makoto Omori
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    IC card with on-board hard disk and circuit board with on-board har...
    • Patent number 5,661,636
    • Issue date Aug 26, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigeo Onoda
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Non-contact IC card communicating at multiple frequencies
    • Patent number 5,585,617
    • Issue date Dec 17, 1996
    • Mitsubishi Denki Kabushiki Kaisha
    • Jun Ohbuchi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Memory card
    • Patent number 5,363,274
    • Issue date Nov 8, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Makoto Omori
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    IC card having adhesion-preventing sheets
    • Patent number 5,327,010
    • Issue date Jul 5, 1994
    • Ryoden Kasei Co., Ltd.
    • Takeshi Uenaka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    IC card and method of manufacturing the IC card
    • Patent number 5,313,364
    • Issue date May 17, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Makoto Omori
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Semiconductor device card and method of manufacturing the same
    • Patent number 5,173,841
    • Issue date Dec 22, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Takeshi Uenaka
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    IC card
    • Patent number 5,038,250
    • Issue date Aug 6, 1991
    • Ryoden Kasei Co. Ltd.
    • Takeshi Uenaka
    • G06 - COMPUTING CALCULATING COUNTING