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Yasuaki Hidaka
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polymer electrolyte membrane and fuel cell
Patent number
7,601,448
Issue date
Oct 13, 2009
Sumitomo Chemical Company, Limited
Yasuaki Hidaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic polymer phosphonic acid derivative and process for product...
Patent number
7,226,987
Issue date
Jun 5, 2007
Sumitomo Chemical Company Limited
Shigeru Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer electrolyte composition and uses thereof
Patent number
6,828,407
Issue date
Dec 7, 2004
Sumitomo Chemical Company, Limited
Shigeru Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLYMER ELECTROLYTE COMPOSITION AND FUEL CELL
Publication number
20060257706
Publication date
Nov 16, 2006
Yasuaki Hidaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Aromatic polymer phosphonic acid derivative and process for product...
Publication number
20040210007
Publication date
Oct 21, 2004
Sumitomo Chemical Company, Limited
Shigeru Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer electrolyte composition and uses thereof
Publication number
20030166824
Publication date
Sep 4, 2003
Sumitomo Chemical Company, Limited
Shigeru Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer electrolyte composition and fuel cell
Publication number
20030113605
Publication date
Jun 19, 2003
Yasuaki Hidaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer electrolyte membrane and fuel cell
Publication number
20030044669
Publication date
Mar 6, 2003
Sumitomo Chemical Company, Limited
Yasuaki Hidaka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Aromatic polymer phosphonic acid derivative and process for product...
Publication number
20020161174
Publication date
Oct 31, 2002
Sumitomo Chemical Company, Limited
Shigeru Sasaki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Elastomer molded product
Publication number
20020048641
Publication date
Apr 25, 2002
Takanari Yamaguchi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Laminate of liquid crystalline polymer
Publication number
20020048681
Publication date
Apr 25, 2002
Yasuaki Hidaka
B32 - LAYERED PRODUCTS