Number | Date | Country | Kind |
---|---|---|---|
7-075378 | Mar 1995 | JPX | |
7-075379 | Mar 1995 | JPX | |
7-221769 | Aug 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4735848 | Kodo et al. | Apr 1988 | |
4833031 | Kurokawa et al. | May 1989 | |
5110676 | Murai et al. | May 1992 | |
5275850 | Kitoh et al. | Jan 1994 |
Number | Date | Country |
---|---|---|
03260908 | Nov 1991 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 12, No. 309 (p-748), Aug. 23, 1988 and JP-A-63 079230 (Fuji Electric Co., Ltd.), Apr. 9, 1988. |