Number | Name | Date | Kind |
---|---|---|---|
5937507 | Asakura et al. | Aug 1999 | A |
6028384 | Billman et al. | Feb 2000 | A |
6509661 | Kujira et al. | Jan 2003 | B1 |
6712727 | Kujira et al. | Mar 2004 | B2 |
6853160 | Gandel et al. | Feb 2005 | B1 |
7070117 | Kook | Jul 2006 | B2 |
D587661 | Blakesley | Mar 2009 | S |
20080224553 | Abe et al. | Sep 2008 | A1 |
20090115270 | Huang et al. | May 2009 | A1 |