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Filter cartridge
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Patent number 7,014,050
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Issue date Mar 21, 2006
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Chisso Corporation
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Satoshi Ogata
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter of high accuracy
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Patent number 6,749,753
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Issue date Jun 15, 2004
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Chisso Corporation
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Osamu Yamaguchi
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Cylindrically shaped product
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Patent number 5,753,330
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Issue date May 19, 1998
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Chisso Corporation
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Taiju Terakawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Cylindrical filter
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Patent number 5,711,878
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Issue date Jan 27, 1998
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Chisso Corporation
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Satoshi Ogata
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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