| Number | Name | Date | Kind |
|---|---|---|---|
| D333836 | Kelemen et al. | Mar 1993 | |
| D371158 | Yoshida | Jun 1996 | |
| D378300 | Ito | Mar 1997 | |
| D386519 | Meschter et al. | Nov 1997 | |
| D396053 | Bishop et al. | Jul 1998 | |
| D399250 | Kawai | Oct 1998 | |
| D405110 | Yamamoto et al. | Feb 1999 | |
| D407741 | Kusanagi | Apr 1999 | |
| D413352 | Bishop et al. | Aug 1999 | |
| D415789 | Lardant | Oct 1999 |