| Number | Date | Country | Kind |
|---|---|---|---|
| 6-287664 | Nov 1994 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4958301 | Kobayashi | Sep 1990 | |
| 4960061 | Tajma et al. | Oct 1990 | |
| 4982674 | Hayakawa | Jan 1991 | |
| 5054408 | Hayakawa | Oct 1991 | |
| 5148294 | Kurogane et al. | Sep 1992 | |
| 5179520 | Hayakawa | Jan 1993 | |
| 5231586 | Shimizu | Jul 1993 | |
| 5320054 | Asano | Jun 1994 | |
| 5335182 | Asano | Aug 1994 | |
| 5386789 | Futamura et al. | Feb 1995 | |
| 5390126 | Kongho et al. | Feb 1995 | |
| 5558033 | Futamura et al. | Sep 1996 |
| Entry |
|---|
| JP Provisional Publication No. HEI 7-236784 published on Sep. 12, 1995 and corresponding to U.S. Serial No. 08/391,170. |
| JP Provisional Publication No. HEI 4-174699 published on Jun. 22, 1992 with the English JP Abstract thereof. |