| Number | Date | Country | Kind |
|---|---|---|---|
| 2009-016713 | Jul 2009 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D193450 | Armstrong et al. | Aug 1962 | S |
| D325927 | Fushiya | May 1992 | S |
| D370935 | Kawashima et al. | Jun 1996 | S |
| D432160 | Kabumoto et al. | Oct 2000 | S |
| D470884 | Gotham et al. | Feb 2003 | S |
| D474805 | Gotham et al. | May 2003 | S |
| D528587 | Nakaeda | Sep 2006 | S |
| D544530 | Omuro et al. | Jun 2007 | S |
| D558817 | Katayama | Jan 2008 | S |
| D558819 | Kimura et al. | Jan 2008 | S |
| D559900 | Kimura et al. | Jan 2008 | S |
| D579043 | Hattori et al. | Oct 2008 | S |
| D579487 | Yamada | Oct 2008 | S |
| D607507 | Kimura et al. | Jan 2010 | S |
| D622760 | Kimura et al. | Aug 2010 | S |
| 20040258451 | Kato | Dec 2004 | A1 |