| Number | Date | Country | Kind |
|---|---|---|---|
| 2012 3 0472752 | Sep 2012 | CN | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D377458 | Tsui | Jan 1997 | S |
| D400115 | Yaron et al. | Oct 1998 | S |
| 7050292 | Shimura et al. | May 2006 | B2 |
| D528990 | Li | Sep 2006 | S |
| 7290419 | Balko et al. | Nov 2007 | B2 |
| D556701 | Nohara et al. | Dec 2007 | S |
| D558785 | Kofford et al. | Jan 2008 | S |
| D576960 | Aldape et al. | Sep 2008 | S |
| D597878 | Aikawa | Aug 2009 | S |
| 7598462 | Burca et al. | Oct 2009 | B2 |
| D639547 | Stefanov | Jun 2011 | S |
| 8225633 | Luo et al. | Jul 2012 | B2 |
| D670255 | Clark et al. | Nov 2012 | S |
| D687391 | Cao et al. | Aug 2013 | S |
| D687786 | Chin et al. | Aug 2013 | S |
| D687787 | Chin et al. | Aug 2013 | S |
| D688213 | Huang et al. | Aug 2013 | S |
| D688215 | Yu et al. | Aug 2013 | S |
| D688635 | Ni et al. | Aug 2013 | S |
| D689444 | Yu et al. | Sep 2013 | S |
| D692400 | Ni et al. | Oct 2013 | S |
| 8662688 | Nickel et al. | Mar 2014 | B2 |
| 20040099430 | Scudder | May 2004 | A1 |
| 20070272565 | Rueckert et al. | Nov 2007 | A1 |
| 20080087062 | Chen | Apr 2008 | A1 |