| Number | Name | Date | Kind |
|---|---|---|---|
| D392336 | Liu | Mar 1998 | |
| D398659 | Yokoi | Sep 1998 | |
| D401297 | Fai | Nov 1998 | |
| D403362 | Fai | Dec 1998 | |
| D405475 | Yokoi | Feb 1999 | |
| D406613 | Nakanishi | Mar 1999 | |
| 5161803 | Ohara | Nov 1992 | |
| 5184830 | Okada et al. | Feb 1993 | |
| 5217295 | Tortola et al. | Jun 1993 |
| Entry |
|---|
| Washington Post , p. A10, Nov. 1997. |