| Number | Name | Date | Kind |
|---|---|---|---|
| D272146 | Mo | Jan 1984 | |
| D284663 | Edwards | Jul 1986 | |
| D298240 | Chang | Oct 1988 | |
| D300743 | Zougg et al. | Apr 1989 | |
| D302689 | Murakami | Aug 1989 | |
| D305888 | Bevikaequa | Feb 1990 | |
| D316261 | Langlos | Apr 1991 | |
| D316410 | Watanabe | Apr 1991 | |
| D316857 | Park | May 1991 | |
| D322435 | Nakamachi et al. | Dec 1991 | |
| D322437 | Myoga | Dec 1991 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 637747 | Jan 1991 |