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IC card
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Patent number 5,994,769
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Issue date Nov 30, 1999
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Mitsubishi Denki Kabushiki Kaisha
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Shigeo Onoda
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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IC card
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Patent number 5,982,624
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Issue date Nov 9, 1999
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Mitsubishi Denki Kabushiki Kaisha
-
Shigeo Onoda
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G06 - COMPUTING CALCULATING COUNTING
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IC card of simple structure
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Patent number 5,912,806
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Issue date Jun 15, 1999
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Mitsubishi Denki Kabushiki Kaisha
-
Shigeo Onoda
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G06 - COMPUTING CALCULATING COUNTING
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-
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IC card
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Patent number 5,719,746
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Issue date Feb 17, 1998
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Mitsubishi Denki Kabushiki Kaisha
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Jun Ohbuchi
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G06 - COMPUTING CALCULATING COUNTING
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-
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Semiconductor device card system
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Patent number 5,581,120
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Issue date Dec 3, 1996
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Mitsubishi Denki Kabushiki Kaisha
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Makoto Omori
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G06 - COMPUTING CALCULATING COUNTING
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Memory card
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Patent number 5,363,274
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Issue date Nov 8, 1994
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Mitsubishi Denki Kabushiki Kaisha
-
Makoto Omori
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G06 - COMPUTING CALCULATING COUNTING
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-
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IC card
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Patent number 4,933,540
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Issue date Jun 12, 1990
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Mitsubishi Denki Kabushiki Kaisha
-
Makoto Omori
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G06 - COMPUTING CALCULATING COUNTING
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IC card
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Patent number 4,905,124
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Issue date Feb 27, 1990
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Mitsubishi Denki Kabushiki Kaisha
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Toshinobu Banjo
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G06 - COMPUTING CALCULATING COUNTING
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Battery holder mechanism
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Patent number 4,868,074
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Issue date Sep 19, 1989
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Mitsubishi Denki Kabushiki Kaisha
-
Makoto Omori
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H01 - BASIC ELECTRIC ELEMENTS
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Battery holder mechanism
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Patent number 4,842,966
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Issue date Jun 27, 1989
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Mitsubishi Denki Kabushiki Kaisha
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Makoto Omori
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H01 - BASIC ELECTRIC ELEMENTS