Number | Date | Country | Kind |
---|---|---|---|
7-159329 | Jun 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5750540 | Tsuchiya et al. | May 1998 |
Number | Date | Country |
---|---|---|
0 581 167 | Feb 1994 | EPX |
WO 9316048 | Aug 1993 | WOX |
Entry |
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Patent Abstracts of Japan, vol. 18, No. 443 (C-1239), Aug. 18, 1994, JP-A-06-135958, May 17, 1994. |