| Number | Date | Country | Kind |
|---|---|---|---|
| 2011-004533 | Mar 2011 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D539225 | Kishi et al. | Mar 2007 | S |
| D561697 | Chen et al. | Feb 2008 | S |
| D562770 | Obikane | Feb 2008 | S |
| D582858 | Hoshino et al. | Dec 2008 | S |
| D598861 | Hoshino et al. | Aug 2009 | S |
| D603798 | Obikane et al. | Nov 2009 | S |
| D603801 | Obikane et al. | Nov 2009 | S |