Number | Date | Country | Kind |
---|---|---|---|
1-291277 | Nov 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3710587 | Hayashi | Jan 1973 | |
4432210 | Saito | Feb 1984 | |
4488411 | Hara | Dec 1984 | |
4688530 | Nishikawa et al. | Aug 1987 | |
4730520 | Nishikawa et al. | Mar 1988 | |
4894999 | Kaiju et al. | Jan 1990 | |
4898005 | Sakurai | Feb 1990 | |
4969334 | Goubeaux et al. | Nov 1990 |
Number | Date | Country |
---|---|---|
0199536 | Oct 1987 | EPX |
3822465 | Jan 1989 | DEX |
6325456 | Jul 1961 | JPX |
147908 | Sep 1982 | JPX |
175423 | Oct 1982 | JPX |
6082427 | Oct 1983 | JPX |
136569 | Aug 1984 | JPX |
205553 | Nov 1984 | JPX |
6328582 | Jul 1986 | JPX |
94748 | May 1987 | JPX |
6449852 | Aug 1987 | JPX |
2217876 | Jan 1989 | GBX |
Entry |
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European Search Report EP 90 12 1464. |