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Processing release paper
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Patent number 6,733,864
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Issue date May 11, 2004
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Dai Nippon Printing Co., Ltd.
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Takeshi Kubota
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Optical card
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Patent number 5,763,868
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Issue date Jun 9, 1998
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Dai Nippon Printing Co., Ltd.
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Takeshi Kubota
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G06 - COMPUTING CALCULATING COUNTING
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Optical recording medium
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Patent number 5,698,284
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Issue date Dec 16, 1997
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Dai Nippon Printing Co., Ltd.
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Takeshi Kubota
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G06 - COMPUTING CALCULATING COUNTING
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Optical card
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Patent number 5,679,440
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Issue date Oct 21, 1997
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Dai Nippon Printing Co., Ltd.
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Takeshi Kubota
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G06 - COMPUTING CALCULATING COUNTING