| Number | Date | Country | Kind |
|---|---|---|---|
| 30780 | Oct 1993 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D305757 | Kitagawa et al. | Jan 1990 | |
| D337113 | Saito et al. | Jul 1993 | |
| D338668 | Saito et al. | Aug 1993 | |
| D342497 | Saito et al. | Dec 1993 | |
| D342502 | Fukatsu et al. | Dec 1993 | |
| D342509 | Saito et al. | Dec 1993 | |
| D350954 | Park | Sep 1994 | |
| D351155 | Usami et al. | Oct 1994 | |
| D366645 | Saito et al. | Jun 1993 |