Number | Date | Country | Kind |
---|---|---|---|
2-237665 | Sep 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4529475 | Okano et al. | Jul 1985 | |
4778563 | Stone | Oct 1988 | |
4828649 | Davis et al. | May 1989 | |
4857382 | Liu et al. | Aug 1989 | |
4908095 | Kagatsume et al. | Mar 1990 | |
4937094 | Doehler et al. | Jun 1990 | |
4997520 | Jucha et al. | Mar 1991 | |
5007982 | Tsou | Apr 1991 | |
5013398 | Long et al. | May 1991 |
Number | Date | Country |
---|---|---|
0216603 | Apr 1987 | EPX |
0220481 | May 1987 | EPX |
62-115723 | May 1987 | JPX |
Entry |
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Patent Abstracts of Japan vol. 10, No. 158 (E-409) Jun. 6, 1986 & JP-A-61 014 722 (Toshiba) Jan. 22, 1986. |