Number | Date | Country | Kind |
---|---|---|---|
1-232423 | Sep 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3602697 | Tanaka | Aug 1971 | |
4849616 | Mitote | Jul 1989 | |
4918298 | Tanabe et al. | Apr 1990 |
Number | Date | Country |
---|---|---|
0291342 | May 1988 | EPX |
1574678 | Oct 1967 | DEX |
59-180626 | Oct 1984 | JPX |
60-132287 | May 1985 | JPX |
62-189588 | Aug 1987 | JPX |
Entry |
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Research Disclosure-Feb. 1988, Card Reader, vol. 286 *Abstract Only. |