Assignee
CHANG HYUK
KR·2 granted patents·1 pending application·27 citations·filing 2005–2012
Top patents by PatentIndex Score
3 records- 0195US8173096B2Carbon nanosphere with at least one opening, method for preparing the same, carbon nanosphere-impregnated catalyst using the carbon nanosphere, and fuel cell using the catalystCHANG HYUK·Filed 2010·Granted May 8, 2012·26 cites·5 claims
- 0273US8603934B2Carbon nanosphere with at least one opening, method for preparing the same, carbon nanosphere-impregnated catalyst using the carbon nanosphere, and fuel cell using the catalystCHANG HYUK·Filed 2012·Granted Dec 10, 2013·1 cites·6 claims
- 0340US2006046122A1Composite electrolyte membraneCHANG HYUK·Filed 2005·Application pending·0 cites
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