Inventor
JEONG MIN-JU
KR4 patents
Patents
4 patentsUS7465780B2Dec 16, 2008
Polyimide comprising sulfonic acid group at the terminal of side chain, and polymer electrolyte and fuel cell using the same
SAMSUNG SDI CO LTD7 citations72
US7378471B2May 27, 2008
Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same
SAMSUNG SDI CO LTD7 citations72
US7547748B2Jun 16, 2009
Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same
SAMSUNG SDI CO LTD1 citations61
USRE42299EApr 19, 2011
Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same
SAMSUNG SDI CO LTD0 citations51