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Akio Takashima
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Kameyama, JP
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Patents Grants
last 30 patents
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Patent Grant
Method of producing conjugated diene polymers with narrow molecular...
Patent number
7,294,680
Issue date
Nov 13, 2007
JSR Corporation
Takuo Sone
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of producing conjugated diene polymers
Patent number
6,255,416
Issue date
Jul 3, 2001
JSR Corporation
Takuo Sone
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing conjugated diene polymer
Patent number
6,130,299
Issue date
Oct 10, 2000
JSR Corporation
Takuo Sone
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polybutadiene rubber
Patent number
5,686,543
Issue date
Nov 11, 1997
Japan Synthetic Rubber Co., Ltd.
Kyouyu Yasuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing high trans low vinyl conjugated diene (co)pol...
Patent number
5,086,136
Issue date
Feb 4, 1992
Japan Synthetic Rubber Co., Ltd.
Akio Takashima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber compositions suitable for use in tire tread
Patent number
4,463,133
Issue date
Jul 31, 1984
Bridgestone Tire Company Limited
Yasumasa Takeuchi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Styrene-butadiene block copolymer
Patent number
4,433,109
Issue date
Feb 21, 1984
Japan Synthetic Rubber Co., Ltd.
Yasumasa Takeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Method of producing conjugated diene polymers with narrow molecular...
Publication number
20040147694
Publication date
Jul 29, 2004
JSR CORPORATION
Takuo Sone
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...