| Number | Date | Country | Kind |
|---|---|---|---|
| 2015-011595 | May 2015 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4303173 | Nergard | Dec 1981 | A |
| 6105809 | Yamanaka | Aug 2000 | A |
| D431410 | Huang | Oct 2000 | S |
| D553417 | Schreitmueller | Oct 2007 | S |
| D702505 | Nakatani | Apr 2014 | S |
| D710653 | Goto | Aug 2014 | S |
| 20130319966 | Lane | Dec 2013 | A1 |
| 20150282654 | Kurabe | Oct 2015 | A1 |