| Number | Date | Country | Kind |
|---|---|---|---|
| 30-2006-0019157 | May 2006 | KR | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D476638 | Tsukahara | Jul 2003 | S |
| D481702 | Takagi | Nov 2003 | S |
| D491613 | Kawabata | Jun 2004 | S |
| 6869320 | Haas et al. | Mar 2005 | B2 |
| D504409 | Kim | Apr 2005 | S |
| D519522 | Lee | Apr 2006 | S |
| D526662 | Choi | Aug 2006 | S |
| D527018 | Christianson | Aug 2006 | S |