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Tomomi Ohara
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Composite semipermeable membrane and process for producing the same
Patent number
8,851,297
Issue date
Oct 7, 2014
Nitto Denko Corporation
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing a dried composite semipermeable membrane
Patent number
8,518,310
Issue date
Aug 27, 2013
Nitto Denko Corporation
Atsuhito Koumoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Composite semipermeable membrane, production method thereof, and wa...
Patent number
7,081,202
Issue date
Jul 25, 2006
Nitto Denko Corporation
Tomomi Ohara
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Composite reverse osmosis membrane and process for preparing the same
Patent number
6,723,422
Issue date
Apr 20, 2004
Nitto Denko Corporation
Masahiko Hirose
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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
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
Highly permeable composite reverse osmosis membrane
Patent number
6,171,497
Issue date
Jan 9, 2001
Nitto Denko Corporation
Masahiko Hirose
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Highly permeable composite reverse osmosis membrane and a reverse o...
Patent number
6,024,873
Issue date
Feb 15, 2000
Nitto Denko Corporation
Masahiko Hirose
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dope for cast formation and method of manufacturing the same
Patent number
5,750,633
Issue date
May 12, 1998
Nitto Denko Corporation
Tomomi Ohara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing highly permeable composite reverse osmosis mem...
Patent number
5,733,602
Issue date
Mar 31, 1998
Nitto Denko Corporation
Masahiko Hirose
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of manufacturing a polyimide-type gas permeation membrane in...
Patent number
5,690,870
Issue date
Nov 25, 1997
Nitto Denko Corporation
Hisao Hachisuka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Gas separating composite membrane and process for producing the same
Patent number
5,647,894
Issue date
Jul 15, 1997
Nitto Denko Corporation
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PRODUCING COMPOSITE SEMIPERMEABLE MEMBRANE
Publication number
20100176052
Publication date
Jul 15, 2010
NITTO DENKO CORPORATION a corporation
Atsuhito Koumoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SEMIPERMEABLE COMPOSITE MEMBRANE AND PROCESS FOR PRODUCING THE SAME
Publication number
20100173083
Publication date
Jul 8, 2010
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME
Publication number
20100044902
Publication date
Feb 25, 2010
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for Producing Semipermeable Composite Membrane
Publication number
20080277334
Publication date
Nov 13, 2008
Nitto Denko Corporation
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Semipermeable Composite Membrane and Process for Producing the Same
Publication number
20080257818
Publication date
Oct 23, 2008
Nitto Denko Corporation
Takahisa Konishi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR PRODUCING A DRIED COMPOSITE SEMIPERMEABLE MEMBRANE
Publication number
20080251447
Publication date
Oct 16, 2008
Atsuhito Koumoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME
Publication number
20080083670
Publication date
Apr 10, 2008
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Semipermeable Composite Membrane and Process for Producing the Same
Publication number
20080053893
Publication date
Mar 6, 2008
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Semipermeable composite membrane and process for producing the same
Publication number
20040232066
Publication date
Nov 25, 2004
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Composite semipermeable membrane,method for preparing the same, and...
Publication number
20030183576
Publication date
Oct 2, 2003
Tomomi Ohara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL