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Document searching apparatus
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Patent number 6,298,344
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Issue date Oct 2, 2001
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Matsushita Electric Industrial Co., Ltd.
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Mitsuaki Inaba
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G06 - COMPUTING CALCULATING COUNTING
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Document retrieval system
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Patent number 6,154,737
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Issue date Nov 28, 2000
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Matsushita Electric Industrial Co., Ltd.
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Mitsuaki Inaba
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G06 - COMPUTING CALCULATING COUNTING
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Electronic dictionary system
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Patent number 5,404,299
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Issue date Apr 4, 1995
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Matsushita Electric Industrial Co., Ltd.
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Ken Tsurubayashi
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G06 - COMPUTING CALCULATING COUNTING
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