Number | Date | Country | Kind |
---|---|---|---|
1-108609 | Apr 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4694562 | Iwasaki et al. | Sep 1987 | |
4727046 | Tuntasood et al. | Feb 1988 | |
4887142 | Bertotti et al. | Dec 1989 | |
4921811 | Watanabe et al. | May 1990 | |
4922318 | Thomas et al. | May 1990 | |
4927776 | Soejima | May 1990 |
Number | Date | Country |
---|---|---|
0215583 | Mar 1987 | EPX |
0281235 | Sep 1988 | EPX |
0341821 | Nov 1989 | EPX |
2208965 | Apr 1989 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 12, No. 234 (E-630) [3086] Jul. 7, 1988, JP-A-63031156, (NEC Corp.), 9.2.1988. |
European Patent Office Search Report for E.P. 90 10 7859, dated 14-8-1990. |