Number | Date | Country | Kind |
---|---|---|---|
3-170059 | Jul 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4743913 | Takai | May 1988 | |
4903212 | Yokouchi et al. | Feb 1990 | |
4912645 | Kakihara et al. | Mar 1990 | |
4924402 | Ando et al. | May 1990 | |
5060162 | Ueyama et al. | Oct 1991 | |
5119301 | Shimizu et al. | Jun 1992 |
Entry |
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European search Report Application No. EP 92306329.1 dated Sep. 28, 1992. |