| Number | Date | Country | Kind |
|---|---|---|---|
| 2009-024368 | Oct 2009 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 6677667 | Hong et al. | Jan 2004 | B1 |
| 6713317 | Knapp et al. | Mar 2004 | B2 |
| 6734536 | Kobayakawa | May 2004 | B2 |
| 7298034 | Carney et al. | Nov 2007 | B2 |
| D576571 | Itai | Sep 2008 | S |
| 20020121684 | Kobayakawa | Sep 2002 | A1 |
| 20030122225 | Fukui et al. | Jul 2003 | A1 |
| 20090057855 | Quinones et al. | Mar 2009 | A1 |
| Number | Date | Country |
|---|---|---|
| 1066550 | Apr 2000 | JP |
| 1322677 | Feb 2008 | JP |
| 1325977 | Mar 2008 | JP |
| 1350595 | Feb 2009 | JP |
| 30-0419506 | Jul 2006 | KR |
| 30-0503678 | Aug 2008 | KR |