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Mitsuhiro Shibata
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Tsukuba-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Aryl ester compound, its production process, epoxy resin compositio...
Patent number
6,469,109
Issue date
Oct 22, 2002
Sumitomo Chemical Company, Limited
Youichi Ueda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyanite composition and copper-clad laminate using the composition
Patent number
6,037,438
Issue date
Mar 14, 2000
Sumitomo Chemical Company, Limited
Yasuhiro Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copper-clad laminate with prepreg of epoxy resin and aryl ester
Patent number
5,916,683
Issue date
Jun 29, 1999
Sumitomo Chemical Company, Ltd.
Youichi Ueda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
Patent number
5,750,789
Issue date
May 12, 1998
Sumitomo Chemical Company Limited
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide film
Patent number
5,734,008
Issue date
Mar 31, 1998
Sumitomo Chemical Company, Limited
Mika Shirasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Esterified resorcinol-carbonyl compound condensates and epoxy resin...
Patent number
5,726,257
Issue date
Mar 10, 1998
Sumitomo Chemical Company, Ltd.
Youichi Ueda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyanate resin composition and copper-clad laminate
Patent number
5,563,237
Issue date
Oct 8, 1996
Sumitomo Chemical Company, Limited
Yasuhiro Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
Patent number
5,498,687
Issue date
Mar 12, 1996
Sumitomo Chemical Company, Limited
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide and process for producing the same
Patent number
5,489,669
Issue date
Feb 6, 1996
Sumitomo Chemical Company, Limited
Mika Shirasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
Patent number
5,444,165
Issue date
Aug 22, 1995
Sumitomo Chemical Company, Limited
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
Patent number
5,326,881
Issue date
Jul 5, 1994
Sumitomo Chemical Company Ltd.
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Imide compound and composition containing the same
Patent number
4,960,860
Issue date
Oct 2, 1990
Sumitomo Chemical Co., Ltd.
Yasuhisa Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Imide compound and composition containing the same
Patent number
4,888,407
Issue date
Dec 19, 1989
Sumitomo Chemical Co., Ltd.
Saito Yasuhisa
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
NOVEL ARYL ESTER COMPOUND, ITS PRODUCTION PROCESS , EPOXY RESIN COM...
Publication number
20020010288
Publication date
Jan 24, 2002
YOUICHI UEDA
C07 - ORGANIC CHEMISTRY