YC

Yoon-ju Chang

Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #3,296,212 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7759453 Multiblock copolymer, method of preparing the same, polymer electrolyte membrane prepared from the multiblock copolymer, method of preparing the polymer electrolyte membrane, and fuel cell employing the polymer electrolyte membrane Hae-kyoung Kim, Won-mok Lee, Jin Chul Jung, Hyuk Chang, Sam Dae Park 2010-07-20