| Number | Name | Date | Kind |
|---|---|---|---|
| D284077 | Kikuchi et al. | Jun 1986 | |
| D291434 | Fujimoto | Aug 1987 | |
| D293569 | Igarashi | Jan 1988 | |
| D312633 | Dehnke et al. | Dec 1990 | |
| D316257 | Yonehara | Apr 1991 | |
| D331052 | Wada | Nov 1992 | |
| D351153 | Kim et al. | Oct 1994 | |
| 3702907 | Sato | Nov 1972 | |
| 3991956 | Machida | Nov 1976 | |
| 4358071 | Okamura | Nov 1982 | |
| 4715558 | Fair et al. | Dec 1987 |