| Number | Date | Country | Kind |
|---|---|---|---|
| 10-037545 | Feb 1998 | JP | |
| 10-038768 | Feb 1998 | JP |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4462506 | Ohba | Jul 1984 | A |
| 4772781 | Watanabe | Sep 1988 | A |
| 4845917 | Omura et al. | Jul 1989 | A |
| 5012932 | Omura et al. | May 1991 | A |
| 5017773 | Sato | May 1991 | A |
| 5022531 | Horino et al. | Jun 1991 | A |
| 5090573 | Takahashi et al. | Feb 1992 | A |
| 5522511 | Sakoguchi et al. | Jun 1996 | A |
| Number | Date | Country |
|---|---|---|
| 8-96210 | Apr 1996 | JP |
| 8-96210 | Apr 1996 | JP |
| Entry |
|---|
| Shirakawa et al., Translation of JP-8-96210-A, Apr. 1996. |