| Number | Date | Country | Kind |
|---|---|---|---|
| 2012-020780 | Aug 2012 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4995817 | Grabbe | Feb 1991 | A |
| D317752 | Kozono | Jun 1991 | S |
| D516523 | Kondas | Mar 2006 | S |
| D552559 | Sanroma et al. | Oct 2007 | S |
| D578127 | Crisp et al. | Oct 2008 | S |
| D596583 | Teranishi et al. | Jul 2009 | S |
| D615494 | Yang | May 2010 | S |
| 7924038 | Kuniyoshi et al. | Apr 2011 | B2 |
| 8063651 | Kamata et al. | Nov 2011 | B2 |
| 20080197869 | Miyagi et al. | Aug 2008 | A1 |
| 20090160473 | Fukami et al. | Jun 2009 | A1 |
| Number | Date | Country |
|---|---|---|
| 1330498 | May 2008 | JP |
| 1330502 | May 2008 | JP |
| 1339403 | Sep 2008 | JP |
| 1355047 | Apr 2009 | JP |