| Number | Date | Country | Kind |
|---|---|---|---|
| 30-2011-0029592 | Jul 2011 | KR | national |
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|---|---|---|---|
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| D557466 | Suh | Dec 2007 | S |
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| D613467 | Park et al. | Apr 2010 | S |
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| D627114 | Jeon et al. | Nov 2010 | S |
| D642753 | Ha | Aug 2011 | S |