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Seoul, KR
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last 30 patents
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Patent Grant
Non-aqueous lithium secondary battery containing hydrophobic, inact...
Patent number
9,419,283
Issue date
Aug 16, 2016
LG Chem, Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cathode active material and lithium secondary battery containing them
Patent number
9,269,951
Issue date
Feb 23, 2016
LG Chem, Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cathode active material and lithium secondary battery containing th...
Patent number
9,263,738
Issue date
Feb 16, 2016
LG Chem, Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cathode active material and lithium secondary battery containing them
Patent number
8,936,873
Issue date
Jan 20, 2015
LG Chem, Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cathode active material and lithium secondary battery containing th...
Patent number
8,895,187
Issue date
Nov 25, 2014
LG Chem, Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cathode active material comprising mixture of lithium/manganese spi...
Patent number
7,816,033
Issue date
Oct 19, 2010
LG Chem, Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cathode active material and lithium secondary battery containing them
Patent number
7,700,238
Issue date
Apr 20, 2010
LG Chem, Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cathode active material and lithium secondary battery containing th...
Patent number
7,670,722
Issue date
Mar 2, 2010
LG Chem, Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Secondary battery of improved life characteristics by elimination o...
Patent number
7,560,191
Issue date
Jul 14, 2009
LG Chem, Ltd.
Ji Heon Ryu
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY CONTAINING THEM
Publication number
20150060726
Publication date
Mar 5, 2015
LG CHEM, LTD.
Ji Heon Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY CONTAINING TH...
Publication number
20150004492
Publication date
Jan 1, 2015
LG CHEM, LTD.
Ji Heon Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY CONTAINING THEM
Publication number
20110039159
Publication date
Feb 17, 2011
LG CHEM, LTD.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY CONTAINING TH...
Publication number
20110020705
Publication date
Jan 27, 2011
LG CHEM, LTD.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Cathode Active Material and Lithium Secondary Battery Containing Them
Publication number
20100012886
Publication date
Jan 21, 2010
LG CHEM, LTD.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
NON-AQUEOUS LITHIUM SECONDARY BATTERY CONTAINING HYDROPHOBIC, INACT...
Publication number
20100015523
Publication date
Jan 21, 2010
LG CHEM Ltd.
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
SECONDARY BATTERY OF IMPROVED LIFE CHARACTERISTICS
Publication number
20070243468
Publication date
Oct 18, 2007
LG CHEM, LTD.
Ji Heon RYU
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Secondary battery of improved life characteristics by elimination o...
Publication number
20070218354
Publication date
Sep 20, 2007
LG CHEM, LTD.
Ji Heon Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cathode active material and lithium secondary battery containing them
Publication number
20070190420
Publication date
Aug 16, 2007
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Cathode active material and lithium secondary battery containing th...
Publication number
20070048597
Publication date
Mar 1, 2007
Ji Heon Ryu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...