| Number | Date | Country | Kind |
|---|---|---|---|
| 30-2009-0006447 | Feb 2009 | KR | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4720857 | Burris et al. | Jan 1988 | A |
| 5748743 | Weeks | May 1998 | A |
| D433005 | McGugan | Oct 2000 | S |
| D448359 | Do et al. | Sep 2001 | S |
| D470836 | Amae et al. | Feb 2003 | S |
| D472889 | Tanaka et al. | Apr 2003 | S |
| D477592 | Komiyama | Jul 2003 | S |
| D477593 | Komiyama | Jul 2003 | S |
| D478901 | Rath et al. | Aug 2003 | S |
| D479834 | Salazar et al. | Sep 2003 | S |
| D485548 | Obata | Jan 2004 | S |
| D500491 | Eroma et al. | Jan 2005 | S |
| 6860362 | Saltykov | Mar 2005 | B2 |
| 6879697 | Tøpholm | Apr 2005 | B2 |
| D562309 | Choi et al. | Feb 2008 | S |
| D596625 | Tkachuk | Jul 2009 | S |