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Ichirou Kawada
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Osaka, JP
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last 30 patents
Information
Patent Grant
Methods of running and washing spiral wound membrane modules
Patent number
6,533,937
Issue date
Mar 18, 2003
Nitto Denko Corporation
Tetsurou Adachi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Fresh water generator and fresh water generating method
Patent number
6,508,937
Issue date
Jan 21, 2003
Nitto Denko Corporation
Toshiyuki Kawashima
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Methods of running and washing spiral wound membrane module
Patent number
6,432,310
Issue date
Aug 13, 2002
Nitto Denko Corporation
Masaaki Andou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Treatment system and treatment method employing spiral wound type m...
Patent number
6,402,956
Issue date
Jun 11, 2002
Nitto Denko Corporation
Masaaki Andou
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Fresh water generator and fresh water generating method
Patent number
6,334,955
Issue date
Jan 1, 2002
Nitto Denko Corporation
Toshiyuki Kawashima
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE