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Katsufumi Oto
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Otsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Separation membrane element
Patent number
9,387,445
Issue date
Jul 12, 2016
Toray Industries, Inc.
Masahiro Kimura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Composite semipermeable membrane and method for producing same
Patent number
8,631,946
Issue date
Jan 21, 2014
Toray Industries, Inc.
Takao Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composite semipermeable membrane, and production process thereof
Patent number
7,279,097
Issue date
Oct 9, 2007
Toray Industries, Inc.
Hiroki Tomioka
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Bactericide for use in water treatment, method for water treatment...
Patent number
7,090,780
Issue date
Aug 15, 2006
Toray Industries, Inc.
Akihiko Ito
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Membrane treatment method for semipermeable membranes
Patent number
4,634,531
Issue date
Jan 6, 1987
Toray Industries, Inc.
Yukio Nakagawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
SEPARATION MEMBRANE AND SEPARATION MEMBRANE ELEMENT
Publication number
20150321148
Publication date
Nov 12, 2015
TORAY INDUSTRIES, INC.
Hiroho Hirozawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SEPARATION MEMBRANE AND SEPARATION MEMBRANE ELEMENT
Publication number
20150041388
Publication date
Feb 12, 2015
TORAY INDUSTRIES, INC.
Hiroho Hirozawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SEPARATION MEMBRANE, SEPARATION MEMBRANE ELEMENT AND METHOD FOR PRO...
Publication number
20140251896
Publication date
Sep 11, 2014
Hiroho Hirozawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SEPARATION MEMBRANE AND SEPARATION MEMBRANE ELEMENT
Publication number
20140231332
Publication date
Aug 21, 2014
Hiroho Hirozawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SEPARATION MEMBRANE ELEMENT
Publication number
20140224726
Publication date
Aug 14, 2014
TORAY INDUSTRIES, INC.
Masahiro Kimura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SEPARATION MEMBRANE, SEPARATION MEMBRANE ELEMENT AND SEPARATION MEM...
Publication number
20130213880
Publication date
Aug 22, 2013
TORAY INDUSTRIES, INC.
Hiroho Hirozawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR PRODUCING SAME
Publication number
20120248027
Publication date
Oct 4, 2012
TORAY INDUSTRIES, INC.
Takao Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water-treating microbicide, water treatment method and water treatm...
Publication number
20060016754
Publication date
Jan 26, 2006
Toray Industries, Inc. a corporation of Japan
Akihiko Ito
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Composite semipermeable membrane, and production process thereof
Publication number
20040256309
Publication date
Dec 23, 2004
TORAY INDUSTRIES, INC.
Hiroki Tomioka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Bactericide for use in water treatment, method for water treatment...
Publication number
20040050800
Publication date
Mar 18, 2004
Akihiko Ito
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING