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Keiichi Yamakawa
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Akaiwa-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Filter for water treatment filtering and method for producing the same
Patent number
9,486,748
Issue date
Nov 8, 2016
W. L. Gore & Associates, Co., Ltd.
Tomoka Ogura
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for producing molded product, and heat-exchange membrane el...
Patent number
8,920,699
Issue date
Dec 30, 2014
W. L. Gore & Associates, Co., Ltd.
Kazuhiro Marutani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Membrane, method of making same and heat exchanger furnished with s...
Patent number
7,572,321
Issue date
Aug 11, 2009
Japan Gore-Tex, Inc.
Keiichi Yamakawa
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Composite Membrane and Moisture Adjustment Module Using Same
Publication number
20150311546
Publication date
Oct 29, 2015
W.L. GORE & ASSOCIATES, INC.
Keiichi Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Filter For Water Treatment Filtering and Method For Producing The Same
Publication number
20140061122
Publication date
Mar 6, 2014
W.L. GORE & ASSOCIATES, CO., LTD.
Tomoka Ogura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for producing molded product, and heat-exchange membrane el...
Publication number
20110259572
Publication date
Oct 27, 2011
Kazuhiro Muratani
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Air Filter And Air Filter Assembly For Vacuum Cleaner With The Air...
Publication number
20100300295
Publication date
Dec 2, 2010
Keiichi Yamakawa
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Composite Membrane and Moisture Adjustment Module Using Same
Publication number
20090324929
Publication date
Dec 31, 2009
Keiichi Yamakawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Membrane, method of making same and heat exchanger furnished with s...
Publication number
20060090650
Publication date
May 4, 2006
Keiichi Yamakawa
F28 - HEAT EXCHANGE IN GENERAL