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Communication device
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Patent number 5,825,853
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Issue date Oct 20, 1998
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Hitachi, Ltd.
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Noboru Kojima
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Image display apparatus
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Patent number 5,826,035
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Issue date Oct 20, 1998
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Hitachi, Ltd.
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Nagaharu Hamada
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G06 - COMPUTING CALCULATING COUNTING
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Image display apparatus
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Patent number 5,657,248
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Issue date Aug 12, 1997
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Hitachi, Ltd.
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Nagaharu Hamada
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G06 - COMPUTING CALCULATING COUNTING
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