| Number | Date | Country | Kind |
|---|---|---|---|
| D2007-032802 | Nov 2007 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 6297598 | Wang et al. | Oct 2001 | B1 |
| 7049639 | Wang et al. | May 2006 | B2 |
| D562782 | Son | Feb 2008 | S |
| D576116 | Shin et al. | Sep 2008 | S |
| D576117 | Shin et al. | Sep 2008 | S |
| D576571 | Itai | Sep 2008 | S |
| D578969 | Kobayakawa | Oct 2008 | S |