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Changjoo HAN
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Seoul, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Lithium secondary battery of electrolyte containing ammonium compounds
Patent number
8,192,874
Issue date
Jun 5, 2012
LG Chem, Ltd.
Soo ik Jo
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Electrode assembly having member for holding electrodes and seconda...
Patent number
7,879,491
Issue date
Feb 1, 2011
LG Chem, Ltd.
Junill Yoon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrolyte for improving life characteristics at high temperature...
Patent number
7,749,660
Issue date
Jul 6, 2010
LG Chem, Ltd.
Yun-Ho Lee
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Lithium secondary battery of electrolyte containing ammonium compounds
Patent number
7,638,229
Issue date
Dec 29, 2009
LG Chem, Ltd.
Soo ik Jo
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Lithium secondary battery of improved performance
Patent number
7,592,098
Issue date
Sep 22, 2009
LG Chem, Ltd.
Changjoo Han
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
LITHIUM SECONDARY BATTERY OF ELECTROLYTE CONTAINING AMMONIUM COMPOUNDS
Publication number
20100055575
Publication date
Mar 4, 2010
LG CHEM, LTD.
Soo ik JO
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Electrode Assembly Having Member for Holding Electrodes and Seconda...
Publication number
20090305133
Publication date
Dec 10, 2009
LG CHEM, LTD.
Junill Yoon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROLYTE FOR IMPROVING LIFE CHARACTERISTICS AT HIGH TEMPERATURE...
Publication number
20070292754
Publication date
Dec 20, 2007
LG CHEM, LTD.
Yun-Ho LEE
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
LITHIUM SECONDARY BATTERY OF IMPROVED PERFORMANCE
Publication number
20070264569
Publication date
Nov 15, 2007
LG CHEM, LTD.
Changjoo HAN
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Lithium secondary battery of electrolyte containing ammonium compounds
Publication number
20070003824
Publication date
Jan 4, 2007
Soo ik Jo
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...