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Data transmission device
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Patent number 6,590,877
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Issue date Jul 8, 2003
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Casio Computer Co., Ltd.
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Tooru Yamakita
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Document data linking apparatus
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Patent number 6,272,490
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Issue date Aug 7, 2001
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Casio Computer Co., Ltd.
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Tooru Yamakita
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G06 - COMPUTING CALCULATING COUNTING
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Electronic cash register
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Patent number 4,412,304
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Issue date Oct 25, 1983
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Casio Computer Co., Ltd.
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Tooru Yamakita
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G06 - COMPUTING CALCULATING COUNTING
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