| Number | Date | Country | Kind |
|---|---|---|---|
| 2012-007814 | Apr 2012 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D3780 | Kroeber | Dec 1869 | S |
| D213457 | Klein | Mar 1969 | S |
| D362628 | Yamatani | Sep 1995 | S |
| D424949 | Young | May 2000 | S |
| 6229768 | Nakazawa et al. | May 2001 | B1 |
| 7339855 | Muraji | Mar 2008 | B2 |
| 7477574 | Takiguchi | Jan 2009 | B2 |
| 7480213 | Muraji | Jan 2009 | B2 |
| 7564742 | Muraji | Jul 2009 | B2 |
| 20110019507 | Muraji | Jan 2011 | A1 |