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Method for producing filter element
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Patent number 5,240,540
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Issue date Aug 31, 1993
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Nippondenso Co., Ltd.
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Noriya Matsumoto
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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-
-
-
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Filter element with zig-zag pleats
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Patent number 4,746,432
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Issue date May 24, 1988
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Nippondenso Co., Ltd.
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Yoshihiro Taki
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Annular wave filter device
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Patent number 4,744,902
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Issue date May 17, 1988
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Nippondenso Co., Ltd.
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Yoshihiro Taki
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Zig zag filter element
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Patent number 4,738,778
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Issue date Apr 19, 1988
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Nippon Denso Co., Ltd.
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Yoshihiro Taki
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter element
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Patent number 4,640,779
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Issue date Feb 3, 1987
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Nippondenso Co., Ltd.
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Yoshihiro Taki
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method of manufacturing a filter device
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Patent number 4,569,813
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Issue date Feb 11, 1986
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Nippondenso Co., Ltd.
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Yoshihiro Taki
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Fluid filter element and support
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Patent number 4,498,989
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Issue date Feb 12, 1985
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Nippondenso Co., Ltd.
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Susumu Miyakawa
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Cyclone type air cleaner
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Patent number 4,486,206
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Issue date Dec 4, 1984
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Nippondenso Co., Ltd.
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Susumu Miyakawa
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter means
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Patent number 4,439,321
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Issue date Mar 27, 1984
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Nippondenso Co., Ltd.
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Yoshihiro Taki
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Structure for supporting air filter
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Patent number 4,300,928
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Issue date Nov 17, 1981
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Nippondenso Co., Ltd.
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Hiromichi Sugie
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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-
-
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Air cleaner arrangement
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Patent number 4,130,405
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Issue date Dec 19, 1978
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Nippondenso Co., Ltd.
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Hajime Akado
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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