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Satoshi Umeyama
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Osaka, JP
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last 30 patents
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Patent Grant
Fire-resistant polycarbonate resin composition
Patent number
6,602,938
Issue date
Aug 5, 2003
Sumitomo Dow Ltd.
Masatoshi Iji
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic resin composition
Patent number
5,290,855
Issue date
Mar 1, 1994
Sumitomo Dow Limited
Mikio Kodama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin composition comprising unsaturated dicarboxylic acid anhydrid...
Patent number
4,705,827
Issue date
Nov 10, 1987
Sumitomo Naugatuck Co., Ltd.
Mikio Kodama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...