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Takahiro KAWAKATSU
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Agent, liquid, and method for cleaning reverse osmosis membrane
Patent number
10,780,400
Issue date
Sep 22, 2020
Kurita Water Industries Ltd.
Kazuki Ishii
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Permselective membrane, method for producing same, and water treatm...
Patent number
10,583,405
Issue date
Mar 10, 2020
Kurita Water Industries Ltd.
Takahiro Kawakatsu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Alkaline cleaning liquid comprising urea and/or biuret, and cleanin...
Patent number
10,443,023
Issue date
Oct 15, 2019
Kurita Water Industries Ltd.
Takahiro Kawakatsu
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Agent and method for cleaning permeable membranes
Patent number
10,307,713
Issue date
Jun 4, 2019
Kurita Water Industries Ltd.
Tetsuya Aoki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for operating reverse osmosis membrane device, and reverse o...
Patent number
10,252,219
Issue date
Apr 9, 2019
Kurita Water Industries Ltd.
Kunihiro Hayakawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Reverse-osmosis-membrane device and method for operating the same
Patent number
10,239,019
Issue date
Mar 26, 2019
Kurita Water Industries Ltd.
Kunihiro Hayakawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for improving rejection rate of reverse osmosis membrane
Patent number
10,046,280
Issue date
Aug 14, 2018
Kurita Water Industries Ltd.
Kunihiro Hayakawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for improving rejection of reverse osmosis membrane, treatme...
Patent number
9,498,754
Issue date
Nov 22, 2016
Kurita Water Industries Ltd.
Takahiro Kawakatsu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for cleaning silicon wafer and apparatus for cleaning silico...
Patent number
9,136,104
Issue date
Sep 15, 2015
Kurita Water Industries Ltd.
Takaaki Chuuman
B08 - CLEANING
Information
Patent Grant
Agent for increasing rejection with a permeable membrane, process f...
Patent number
8,025,159
Issue date
Sep 27, 2011
Kurita Water Industries Ltd.
Takahiro Kawakatsu
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Detergent for washing a selectively permeable membrane and method o...
Patent number
7,540,292
Issue date
Jun 2, 2009
Kurita Water Industries Ltd.
Takahiro Kawakatsu
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING PERMSELECTIVE MEMBRANE
Publication number
20220193619
Publication date
Jun 23, 2022
KURITA WATER INDUSTRIES LTD.
Takahiro KAWAKATSU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ORGANIC SOLVENT TREATMENT METHOD
Publication number
20220184596
Publication date
Jun 16, 2022
KURITA WATER INDUSTRIES LTD.
Yu FUJIMURA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PERMSELECTIVE MEMBRANE AND METHOD FOR PRODUCING SAME, AND METHOD FO...
Publication number
20210046432
Publication date
Feb 18, 2021
KURITA WATER INDUSTRIES LTD.
Takahiro KAWAKATSU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ULTRAPURE-WATER PRODUCTION SYSTEM
Publication number
20200171436
Publication date
Jun 4, 2020
KURITA WATER INDUSTRIES LTD.
Takahiro KAWAKATSU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
PERMSELECTIVE MEMBRANE AND METHOD FOR PRODUCING THE SAME, AND METHO...
Publication number
20200055000
Publication date
Feb 20, 2020
KURITA WATER INDUSTRIES LTD.
Takahiro KAWAKATSU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PERMSELECTIVE MEMBRANE, METHOD FOR PRODUCING SAME, AND WATER TREATM...
Publication number
20190046933
Publication date
Feb 14, 2019
KURITA WATER INDUSTRIES LTD.
Takahiro KAWAKATSU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
AGENT, LIQUID, AND METHOD FOR CLEANING REVERSE OSMOSIS MEMBRANE
Publication number
20180257038
Publication date
Sep 13, 2018
KURITA WATER INDUSTRIES LTD.
Kazuki ISHII
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
PERMSELECTIVE MEMBRANE AND METHOD FOR PRODUCING THE SAME
Publication number
20180236409
Publication date
Aug 23, 2018
KURITA WATER INDUSTRIES LTD.
Akihiro FUJII
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AGENT, LIQUID, AND METHOD FOR CLEANING REVERSE OSMOSIS MEMBRANE
Publication number
20180200678
Publication date
Jul 19, 2018
KURITA WATER INDUSTRIES LTD.
Kazuki ISHII
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AGENT, LIQUID, AND METHOD FOR CLEANING REVERSE OSMOSIS MEMBRANE
Publication number
20180169585
Publication date
Jun 21, 2018
KURITA WATER INDUSTRIES LTD.
Takahiro Kawakatsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DEVICE FOR REMOVING MICROPARTICLES CONTAINED IN WATER AND ULTRAPURE...
Publication number
20180044205
Publication date
Feb 15, 2018
KURITA WATER INDUSTRIES LTD.
Takahiro KAWAKATSU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CLEANING AGENT, CLEANING LIQUID, AND CLEANING METHOD FOR REVERSE OS...
Publication number
20170275571
Publication date
Sep 28, 2017
KURITA WATER INDUSTRIES LTD.
Takahiro KAWAKATSU
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
REVERSE-OSMOSIS-MEMBRANE DEVICE AND METHOD FOR OPERATING THE SAME
Publication number
20170232389
Publication date
Aug 17, 2017
KURITA WATER INDUSTRIES LTD.
Kunihiro HAYAKAWA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DISPERSANT FOR WATER TREATMENT AND WATER TREATMENT METHOD
Publication number
20170107126
Publication date
Apr 20, 2017
KURITA WATER INDUSTRIES LTD.
Akihiro FUJII
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR OPERATING REVERSE OSMOSIS MEMBRANE DEVICE, AND REVERSE O...
Publication number
20160016122
Publication date
Jan 21, 2016
KURITA WATER INDUSTRIES LTD.
Kunihiro HAYAKAWA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MULTI-STAGE REVERSE OSMOSIS MEMBRANE SYSTEM AND OPERATION METHOD TH...
Publication number
20150376034
Publication date
Dec 31, 2015
KURITA WATER INDUSTRIES LTD.
Kunihiro HAYAKAWA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR IMPROVING REJECTION RATE OF REVERSE OSMOSIS MEMBRANE, RE...
Publication number
20150306545
Publication date
Oct 29, 2015
KURITA WATER INDUSTRIES LTD.
Kunihiro HAYAKAWA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
AGENT AND METHOD FOR CLEANING PERMEABLE MEMBRANES
Publication number
20150045276
Publication date
Feb 12, 2015
KURITA WATER INDUSTRIES LTD.
Tetsuya Aoki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR IMPROVING REJECTION OF REVERSE OSMOSIS MEMBRANE, TREATME...
Publication number
20130324664
Publication date
Dec 5, 2013
KURITA WATER INDUSTRIES LTD.
Takahiro Kawakatsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR IMPROVING REJECTION OF PERMEABLE MEMBRANE, TREATMENT AGE...
Publication number
20130324678
Publication date
Dec 5, 2013
KURITA WATER INDUSTRIES LTD.
Takahiro Kawakatsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR CLEANING SILICON WAFER AND APPARATUS FOR CLEANING SILICO...
Publication number
20130291891
Publication date
Nov 7, 2013
KURITA WATER INDUSTRIES LTD.
Takaaki Chuuman
B08 - CLEANING
Information
Patent Application
METHOD OF IMPROVING REJECTION OF PERMEABLE MEMBRANE AND PERMEABLE M...
Publication number
20120168370
Publication date
Jul 5, 2012
KURITA WATER INDUSTRIES LTD.
Tetsuya Aoki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYMER FIBER MATERIAL, METHOD OF PRODUCING THE SAME, AND FILTER FO...
Publication number
20110011792
Publication date
Jan 20, 2011
KURITA WATER INDUSTRIES LTD.
Takahiro Kawakatsu
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD OF ENHANCING REJECTION OF PERMEATION MEMBRANE, REJECTION-ENH...
Publication number
20100136238
Publication date
Jun 3, 2010
Kunihiro Hayakawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR TREATMENT WITH REVERSE OSMOSIS MEMBRANE
Publication number
20100025329
Publication date
Feb 4, 2010
KURITA WATER INDUSTRIES LTD.
Takahiro Kawakatsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Agent and Process for Increasing Rejection of Nanofiltration Membra...
Publication number
20090266764
Publication date
Oct 29, 2009
Takahiro Kawakatsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Agent for Increasing Rejection with a Permeable Membrane, Process f...
Publication number
20090032466
Publication date
Feb 5, 2009
KURITA WATER INDUSTRIES LTD.
Takahiro Kawakatsu
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Detergent for selectively permeable film and method for cleaning
Publication number
20070015680
Publication date
Jan 18, 2007
KURITA WATER INDUSTRIES LTD.
Takahiro Kawakatsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Anion absorbent and production method thereof, and water treatment...
Publication number
20060019820
Publication date
Jan 26, 2006
KURITA WATER INDUSTRIES LTD.
Tadashi Nakano
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of producing remover and remover
Publication number
20050205839
Publication date
Sep 22, 2005
KURITA WATER INDUSTRIES LTD.
Takahiro Kawakatsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL