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Kiyoshi Fujisawa
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Catalyst for addition polymerization and process for producing an a...
Patent number
6,881,802
Issue date
Apr 19, 2005
Sumitomo Chemical Company, Limited
Kiyoshi Fujisawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crystallizable poly (2,5-di-substituted-1,4-phenylene oxide) and a...
Patent number
6,841,650
Issue date
Jan 11, 2005
National Institute of Advanced Industrial Science and Technology
Hideyuki Higashimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crystallizable poly (2,5-di-substituted-1,4-phenylene oxide) and a...
Patent number
6,541,596
Issue date
Apr 1, 2003
Secretary of Agency of Industrial Science and Technology
Hideyuki Higashimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Catalyst for addition polymerization and process for producing an a...
Publication number
20030032743
Publication date
Feb 13, 2003
Kiyoshi Fujisawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Crystallizable poly (2,5-di-substituted-1,4-phenylene oxide) and a...
Publication number
20020183475
Publication date
Dec 5, 2002
Secretary of Agency of Industrial Science and Technology
Hideyuki Higashimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...