| Number | Name | Date | Kind |
|---|---|---|---|
| D317592 | Yoshizawa | Jun 1991 | S |
| 5742169 | Akram et al. | Apr 1998 | A |
| D402638 | Farnworth et al. | Dec 1998 | S |
| 5949241 | Akram et al. | Sep 1999 | A |
| D428859 | Kawafuji et al. | Aug 2000 | S |
| 6222379 | Farnworth et al. | Apr 2001 | B1 |
| D441727 | Sekimoto | May 2001 | S |
| D461170 | Williams et al. | Aug 2002 | S |
| D461172 | Harnden et al. | Aug 2002 | S |
| D462062 | Williams et al. | Aug 2002 | S |
| D467231 | Harnden et al. | Dec 2002 | S |
| D467560 | Harnden et al. | Dec 2002 | S |
| D467884 | Williams et al. | Dec 2002 | S |
| D467885 | Harnden et al. | Dec 2002 | S |
| 7057273 | Harnden et al. | Jun 2006 | B2 |