| Number | Date | Country | Kind |
|---|---|---|---|
| 2005-033804 | Nov 2005 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D433439 | Yoshida et al. | Nov 2000 | S |
| D447765 | Hatanaka et al. | Sep 2001 | S |
| D459752 | Shiozaki | Jul 2002 | S |
| D486513 | Ohashi | Feb 2004 | S |
| 6728511 | Watanabe | Apr 2004 | B2 |
| D501019 | Yoshida et al. | Jan 2005 | S |
| D537471 | Inoue | Feb 2007 | S |
| D537866 | Matsuda et al. | Mar 2007 | S |
| D538330 | Hatanaka et al. | Mar 2007 | S |
| 20060092434 | Koakutsu | May 2006 | A1 |