Number | Date | Country | Kind |
---|---|---|---|
2-14012 | Feb 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4706128 | Tanioka et al. | Nov 1987 | |
4789903 | Kamada et al. | Dec 1988 | |
4954914 | Karita et al. | Sep 1990 |
Number | Date | Country |
---|---|---|
243089 | Oct 1987 | EPX |
2555584 | Jun 1977 | DEX |
2925692 | Jan 1980 | DEX |
3418366 | Nov 1984 | DEX |
3622025 | Oct 1987 | DEX |
2333199 | Jun 1977 | FRX |
2426381 | Dec 1979 | FRX |
2-10554 | Mar 1990 | JPX |
8808235 | Oct 1988 | WOX |
8900299 | Jan 1989 | WOX |
1543722 | Apr 1979 | GBX |
Entry |
---|
"Nikkei Electronics" (No. 470, Apr. 3, 1989) p. 159. |