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Youichi Ueda
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Tatatsuki, JP
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Patents Grants
last 30 patents
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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
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
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
Polyamino oligomers and polymaleimide compounds
Patent number
5,399,715
Issue date
Mar 21, 1995
Sumitomo Chemical Company, Limited
Shigeki Naitoh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic allyl amine thermosetting resin composition
Patent number
5,329,047
Issue date
Jul 12, 1994
Sumitomo Chemical Co., Ltd.
Shigeki Naitoh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Aromatic allyl amine thermosetting resin composition
Patent number
5,109,087
Issue date
Apr 28, 1992
Sumitomo Chemical Company, Limited
Shigeki Naitoh
B32 - LAYERED PRODUCTS
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