| Number | Date | Country | Kind |
|---|---|---|---|
| 2006-011941 | May 2006 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D258501 | Winslow | Mar 1981 | S |
| 4449723 | Shiratsuchi | May 1984 | A |
| 4469190 | Yamaguchi | Sep 1984 | A |
| D379995 | Gilmore | Jun 1997 | S |
| D502439 | Horstmann et al. | Mar 2005 | S |
| D514498 | Alsop | Feb 2006 | S |
| D534108 | Katagiri et al. | Dec 2006 | S |