Chahun Ku

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Daejeon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Cylindrical secondary battery of improved safety
- Patent number 9,112,234
- Issue date Aug 18, 2015
- LG Chem Ltd.
- Ji Young Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cap assembly of improved safety and cylindrical secondary battery e...
- Patent number 8,383,258
- Issue date Feb 26, 2013
- LG Chem, Ltd.
- Sungjong Kim
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CYLINDRICAL SECONDARY BATTERY OF IMPROVED SAFETY
- Publication number 20120114979
- Publication date May 10, 2012
- LG CHEM, LTD.
- Ji Young KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CAP ASSEMBLY OF IMPROVED SAFETY AND CYLINDRICAL SECONDARY BATTERY E...
- Publication number 20110008654
- Publication date Jan 13, 2011
- LG CHEM, LTD.
- Sungjong KIM
- H01 - BASIC ELECTRIC ELEMENTS