| Number | Date | Country | Kind |
|---|---|---|---|
| 2011-030449 | Dec 2011 | JP | national |
| 2011-030453 | Dec 2011 | JP | national |
| 2011-030455 | Dec 2011 | JP | national |
| 2012-006544 | Mar 2012 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 5751204 | Chen | May 1998 | A |
| D471166 | Oshio et al. | Mar 2003 | S |
| D489338 | Seddon et al. | May 2004 | S |
| 6914506 | Gallup et al. | Jul 2005 | B2 |
| D586767 | Guerrero et al. | Feb 2009 | S |
| D594820 | Furuya | Jun 2009 | S |
| 7940153 | Watanabe | May 2011 | B2 |
| 8310332 | Yan et al. | Nov 2012 | B2 |
| 20020113680 | Kato et al. | Aug 2002 | A1 |
| 20140062636 | Yang et al. | Mar 2014 | A1 |