| Number | Date | Country | Kind |
|---|---|---|---|
| 2007-014325 | May 2007 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D470525 | Nakayama et al. | Feb 2003 | S |
| D474799 | Kawasaki et al. | May 2003 | S |
| 6793346 | Nakano et al. | Sep 2004 | B2 |
| D498490 | Kawasaki et al. | Nov 2004 | S |
| D503733 | Kurokawa | Apr 2005 | S |
| D506770 | Saeki et al. | Jun 2005 | S |
| D522561 | Ikeuchi et al. | Jun 2006 | S |
| D527408 | Azuma | Aug 2006 | S |
| D551690 | Kawabe et al. | Sep 2007 | S |