| Number | Date | Country | Kind |
|---|---|---|---|
| 2006-021297 | Aug 2006 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 6434337 | Misawa | Aug 2002 | B1 |
| D516599 | Nakamura | Mar 2006 | S |
| D531652 | Ogino et al. | Nov 2006 | S |
| D533574 | Hamamura | Dec 2006 | S |
| D534564 | Tainaka | Jan 2007 | S |
| D535314 | Chang | Jan 2007 | S |
| D548252 | Tajima | Aug 2007 | S |
| D548257 | Onuma et al. | Aug 2007 | S |
| D550746 | Inaba | Sep 2007 | S |
| D557305 | Onuma et al. | Dec 2007 | S |
| D558246 | Hayamizu et al. | Dec 2007 | S |
| D562373 | Nakamura | Feb 2008 | S |
| D562867 | Inaba et al. | Feb 2008 | S |