| Number | Date | Country | Kind |
|---|---|---|---|
| 2009-001593 | Jan 2009 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D470525 | Nakayama et al. | Feb 2003 | S |
| D474799 | Kawasaki et al. | May 2003 | S |
| D475729 | Shiota et al. | Jun 2003 | S |
| 6793346 | Nakano et al. | Sep 2004 | B2 |
| D504453 | Junsi et al. | Apr 2005 | S |
| 7156526 | Tanaka | Jan 2007 | B2 |
| D574875 | Sakamaki et al. | Aug 2008 | S |
| D591784 | Inoue et al. | May 2009 | S |
| D597581 | Sakamaki et al. | Aug 2009 | S |