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Ryuji Nakagawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing modified conjugated diene polymer/copolymer, m...
Patent number
9,623,705
Issue date
Apr 18, 2017
Bridgestone Corporation
Ken Tanaka
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Adhesive composition, adhesion method, and pneumatic tire
Patent number
9,393,838
Issue date
Jul 19, 2016
Bridgestone Corporation
Takuya Ogasawara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pneumatic tire
Patent number
9,045,003
Issue date
Jun 2, 2015
Bridgestone Corporation
Ryuji Nakagawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Adhesive composition, adhesion method using the same, laminate and...
Patent number
9,029,462
Issue date
May 12, 2015
Bridgestone Corporation
Takuya Ogasawara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Polymers functionalized with halosilanes containing an amino group
Patent number
8,809,464
Issue date
Aug 19, 2014
Bridgestone Corporation
Terrence E. Hogan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic vinyl compound-conjugated diene compound copolymer and met...
Patent number
8,507,627
Issue date
Aug 13, 2013
Bridgestone Corporation
Ryuji Nakagawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for producing modified conjugated diene based (co)polymer, m...
Patent number
8,410,224
Issue date
Apr 2, 2013
JSR Corporation
Takaomi Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymers functionalized with halosilanes containing an amino group
Patent number
8,258,332
Issue date
Sep 4, 2012
Bridgestone Corporation
Terrence E. Hogan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber composition and tire using the same
Patent number
8,232,352
Issue date
Jul 31, 2012
Bridgestone Corporation
Junko Matsushita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Polybutadiene as well as rubber composition using the same and tire
Patent number
7,919,571
Issue date
Apr 5, 2011
Bridgestone Corporation
Ryuji Nakagawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Functionalized polymers
Patent number
7,879,952
Issue date
Feb 1, 2011
Bridgestone Corporation
Steven Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymers functionalized with nitro compounds
Patent number
7,732,534
Issue date
Jun 8, 2010
Bridgestone Corporation
Steven Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber composition
Patent number
6,730,743
Issue date
May 4, 2004
Bridgestone Corporation
Ryuji Nakagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
ADHESIVE COMPOSITION, ADHESION METHOD, AND PNEUMATIC TIRE
Publication number
20140087110
Publication date
Mar 27, 2014
BRIDGESTONE CORPORATION
Takuya Ogasawara
B60 - VEHICLES IN GENERAL
Information
Patent Application
ADHESIVE COMPOSITION, ADHESION METHOD USING THE SAME, LAMINATE AND...
Publication number
20140048194
Publication date
Feb 20, 2014
BRIDGESTONE CORPORATION
Takuya Ogasawara
B60 - VEHICLES IN GENERAL
Information
Patent Application
ADHESIVE COMPOSITION, ADHESION METHOD USING THE SAME, LAMINATE AND...
Publication number
20140030537
Publication date
Jan 30, 2014
BRIDGESTONE CORPORATION
Takuya Ogasawara
B60 - VEHICLES IN GENERAL
Information
Patent Application
POLYMERS FUNCTIONALIZED WITH HALOSILANES CONTAINING AN AMINO GROUP
Publication number
20120309906
Publication date
Dec 6, 2012
Terrence E. Hogan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PNEUMATIC TIRE
Publication number
20110290396
Publication date
Dec 1, 2011
BRIDGESTONE CORPORATION
Ryuji Nakagawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
PROCESS FOR PRODUCTION OF MODIFIED CONJUGATED DIENE COPOLYMER, MODI...
Publication number
20110160388
Publication date
Jun 30, 2011
Bridgestone Corporation
Ken Tanaka
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE POLYMER/COPOLYMER, M...
Publication number
20110146877
Publication date
Jun 23, 2011
BRIDGESTONE CORPORATION
Ken Tanaka
B60 - VEHICLES IN GENERAL
Information
Patent Application
AROMATIC VINYL COMPOUND-CONJUGATED DIENE COMPOUND COPOLYMER AND MET...
Publication number
20110136995
Publication date
Jun 9, 2011
BRIDGESTONE CORPORATION
Ryuji Nakagawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
POLYMERS FUNCTIONALIZED WITH HALOSILANES CONTAINING AN AMINO GROUP
Publication number
20100317818
Publication date
Dec 16, 2010
Terrence Hogan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RUBBER COMPOSITION AND TIRE USING THE SAME
Publication number
20100218871
Publication date
Sep 2, 2010
Bridgestone Corporation
Junko Matsushita
B60 - VEHICLES IN GENERAL
Information
Patent Application
POLYBUTADIENE AS WELL AS RUBBER COMPOSITION USING THE SAME AND TIRE
Publication number
20100190940
Publication date
Jul 29, 2010
Ryuji Nakagawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE BASED (CO)POLYMER, M...
Publication number
20100113683
Publication date
May 6, 2010
JSR Corporation
Takaomi Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymers functionalized with nitro compounds
Publication number
20080051552
Publication date
Feb 28, 2008
Bridgestone Corporation
Steven Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Functionalized polymers
Publication number
20070149717
Publication date
Jun 28, 2007
Steven Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Rubber composition for tire and tire made therefrom
Publication number
20060167160
Publication date
Jul 27, 2006
Bridgestone Corporation
Ryuji Nakagawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
Rubber composition
Publication number
20040030037
Publication date
Feb 12, 2004
Ryuji Nakagawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
Rubber composition
Publication number
20020099123
Publication date
Jul 25, 2002
Bridgestone Corporation
Ryuji Nakagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...