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Akihiro Nabeshima
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Tokushima-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Quaternary ammonium salt and composition, and electrochemical device
Patent number
8,747,690
Issue date
Jun 10, 2014
Otsuka Chemical Co., Ltd.
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Additives for electrolyte solution and electrolyte solution
Patent number
8,372,300
Issue date
Feb 12, 2013
Otsuka Chemical Co., Ltd.
Akinori Oka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Quaternary ammonium salt and composition, and electrochemical device
Patent number
8,366,956
Issue date
Feb 5, 2013
Otsuka Chemical Co., Ltd.
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Additives for electrolyte solution and electrolyte solution
Patent number
8,163,195
Issue date
Apr 24, 2012
Otsuka Chemical Co., Ltd.
Akinori Oka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for production of highly pure quaternary ammonium salt
Patent number
8,029,690
Issue date
Oct 4, 2011
Otsuka Chemical Co., Ltd.
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing high-purity quaternary ammonium salt
Patent number
8,029,689
Issue date
Oct 4, 2011
Otsuka Chemical Co., Ltd.
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quaternary ammonium salt, electrolyte, electrolyte, solution and el...
Patent number
7,875,732
Issue date
Jan 25, 2011
Otsuka Chemical Co., Ltd.
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quaternary ammonium salt, electrolyte, electrolyte solution and ele...
Patent number
7,854,854
Issue date
Dec 21, 2010
Otsuka Chemical Co., Ltd.
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quaternary ammonium salt, electrolyte, and electrochemical device
Patent number
7,834,197
Issue date
Nov 16, 2010
Otsuka Chemical Co., Ltd.
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrolyte solution and nonaqueous electrolyte lithium secondary b...
Patent number
7,700,243
Issue date
Apr 20, 2010
Otsuka Chemical Co., Ltd.
Tetsuo Nishida
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Hardener for epoxy resin and epoxy resin composition
Patent number
6,503,967
Issue date
Jan 7, 2003
Otsuka Nagaku Kabushiki Kaisha
Takashi Kitajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Curing agents for epoxy resins
Patent number
6,433,042
Issue date
Aug 13, 2002
Otsuka Kagaku Kabushiki Kaisha
Yoshihisa Tomotaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous solution of water-soluble epoxy resin, solid obtained there...
Patent number
6,372,825
Issue date
Apr 16, 2002
Otsuka Kagaku Kabushiki Kaisha
Yoshihisa Tomotaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
1-Aminopyrrolidine or its salt as epoxy resin hardener
Patent number
6,359,036
Issue date
Mar 19, 2002
Otsuka Kagaku Kabushiki Kaisha
Yoshihisa Tomotaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing 1-aminopyrrolidine, and 1-aminopyrrolidine ac...
Patent number
5,981,764
Issue date
Nov 9, 1999
Otsuka Chemical Co., Ltd.
Tsukasa Maekawa
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
QUATERNARY AMMONIUM SALT AND COMPOSITION, AND ELECTROCHEMICAL DEVICE
Publication number
20130004860
Publication date
Jan 3, 2013
Tetsuo NISHIDA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ADDITIVES FOR ELECTROLYTE SOLUTION AND ELECTROLYTE SOLUTION
Publication number
20120170172
Publication date
Jul 5, 2012
Akinori OKA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Quaternary ammonium salt and composition, and electrochemical device
Publication number
20110123873
Publication date
May 26, 2011
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ELECTROLYTE SOLUTION FOR ELECTRIC DOUBLE LAYER CAPACITOR
Publication number
20100118469
Publication date
May 13, 2010
OTSUKA CHEMICAL CO., LTD.
Hiroaki Shima
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method for producing high-purity quaternary ammonium salt
Publication number
20100044617
Publication date
Feb 25, 2010
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Quaternary ammonium salt, electrolyte, electrolyte solution and el...
Publication number
20100038578
Publication date
Feb 18, 2010
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Additives for Electrolyte Solution and Electrolyte Solution
Publication number
20090309060
Publication date
Dec 17, 2009
Akinori Oka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process for production of highly pure quaternary ammonium salt
Publication number
20090272933
Publication date
Nov 5, 2009
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Quaternary Ammonium Salt, Electrolyte, Electrolyte, Solution and El...
Publication number
20080050657
Publication date
Feb 28, 2008
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Antirust composition
Publication number
20070157846
Publication date
Jul 12, 2007
Ken Sonogi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Quaternary ammonium salt, electrolyte, and electrochemical device
Publication number
20070042271
Publication date
Feb 22, 2007
Tetsuo Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Electrolyte solution and nonaqueous electrolyte lithium secondary b...
Publication number
20070037064
Publication date
Feb 15, 2007
Tetsuo Nishida
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...