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Yamatokoriyama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Thermoplastic polymer composition
Patent number
7,820,746
Issue date
Oct 26, 2010
Sumitomo Chemical Company, Limited
Ryoji Soma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electric double layer capacitor
Patent number
7,800,886
Issue date
Sep 21, 2010
Sumitomo Chemical Company, Limited
Tamon Itahashi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Reinforced rubber article, production thereof and rubber compositio...
Patent number
6,310,144
Issue date
Oct 30, 2001
Sumitomo Chemical Company, Limited
Naoki Inui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pentavalent phosphorus compound, production and use thereof
Patent number
6,242,514
Issue date
Jun 5, 2001
Sumitomo Chemical Company, Ltd.
Taketoshi Kikuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphite, a process for producing the same and a use thereof
Patent number
6,075,159
Issue date
Jun 13, 2000
Sumitomo Chemical Company, Limited
Naoki Inui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic phosphonites and their use as stabilizers for organic materials
Patent number
5,914,361
Issue date
Jun 22, 1999
Sumitomo Chemical Company, Limited
Naoki Inui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Five-coordinate phosphorous compound, process for producing the sam...
Patent number
5,902,516
Issue date
May 11, 1999
Sumitomo Chemical Co., Ltd.
Naoki Inui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphites, process for producing them and their use
Patent number
5,891,939
Issue date
Apr 6, 1999
Sumitomo Chemical Company, Limited
Taketoshi Kikuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphites, process for producing the same and their use
Patent number
5,889,095
Issue date
Mar 30, 1999
Sumitomo Chemical Company, Ltd.
Naoki Inui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphites, process for producing them and their use
Patent number
5,874,494
Issue date
Feb 23, 1999
Sumitomo Chemical Company, Limited
Naoki Inui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic phosphorous compound, a process for producing the same and...
Patent number
5,847,187
Issue date
Dec 8, 1998
Sumitomo Chemical Company, Limited
Taketoshi Kikuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphites and their production and use
Patent number
5,843,339
Issue date
Dec 1, 1998
Sumitomo Chemical Company, Limited
Kanako Fukuda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphites, process for producing them and their use
Patent number
5,830,936
Issue date
Nov 3, 1998
Sumitomo Chemical Company, Limited
Taketoshi Kikuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Co-condensation product and rubber composition containing the same
Patent number
5,717,053
Issue date
Feb 10, 1998
Sumitomo Chemical Company, Limited
Naoki Inui
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing hydroxyflavan compounds
Patent number
5,698,717
Issue date
Dec 16, 1997
Sumitomo Chemical Company, Limited
Hironobu Iyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Rubber composition containing a flavan compound and a method for pr...
Patent number
5,688,871
Issue date
Nov 18, 1997
Sumitomo Chemical Company, Limited
Naoki Inui
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber composition and a vulcanizing adhesion method using the same
Patent number
5,665,799
Issue date
Sep 9, 1997
Sumitomo Chemical Company, Limited
Naoki Inui
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic resin compositions comprising polyphenylene ether, po...
Patent number
5,428,091
Issue date
Jun 27, 1995
Sumitomo Chemical Co., Ltd.
Hiroomi Abe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Inorganic fiber having modified surface and its use for reinforceme...
Patent number
5,369,143
Issue date
Nov 29, 1994
Sumitomo Chemical Company, Limited
Isao Kurimoto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Rubber composition having excellent gripping power and rolling resi...
Patent number
5,362,794
Issue date
Nov 8, 1994
Sumitomo Chemical Company, Ltd.
Naoki Inui
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rubber composition suitable for automobile tires and its production
Patent number
5,362,785
Issue date
Nov 8, 1994
Sumitomo Chemical Company, Limited
Naoki Inui
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic resin composition
Patent number
5,300,568
Issue date
Apr 5, 1994
Sumitomo Chemical Company, Limited
Hiroomi Abe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for improving properties of vulcanized rubber containing ino...
Patent number
5,218,025
Issue date
Jun 8, 1993
Sumitomo Chemical Company, Limited
Isao Kurimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber composition
Patent number
5,191,003
Issue date
Mar 2, 1993
Sumitomo Chemical Company, Limited
Naoki Inui
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabilized polypropylene resin compositions containing a dinitrodia...
Patent number
5,180,764
Issue date
Jan 19, 1993
Sumitomo Chemical Company, Limited
Hideo Nagasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber composition having excellent dynamic properties
Patent number
5,109,055
Issue date
Apr 28, 1992
Sumitomo Chemical Company, Limited
Hideo Nagasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
NEGATIVE ELECTRODE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY B...
Publication number
20120171571
Publication date
Jul 5, 2012
SUMITOMO CHEMICAL COMPANY, LIMITED
Kosuke Kurakane
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
RUBBER COMPOSITION
Publication number
20110144234
Publication date
Jun 16, 2011
Sumitomo Chemical Company, Limited
Naoki Inui
B60 - VEHICLES IN GENERAL
Information
Patent Application
RUBBER COMPOSITION FOR COATING STEEL CORD
Publication number
20110132512
Publication date
Jun 9, 2011
Sumitomo Chemical Company, Limited
Naoki Inui
B60 - VEHICLES IN GENERAL
Information
Patent Application
THERMOPLASTIC POLYMER COMPOSITION
Publication number
20090247675
Publication date
Oct 1, 2009
Sumitomo Chemical Company, Limited
Ryoji SOMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Electric double layer capacitor
Publication number
20080094777
Publication date
Apr 24, 2008
Sumitomo Chemical Company, Limited
Tamon Itahashi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...