Number | Date | Country | Kind |
---|---|---|---|
7-259104 | Oct 1995 | JPX | |
8-138540 | May 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3660780 | Iida et al. | May 1972 | |
4251780 | Scifres et al. | Feb 1981 | |
4574292 | Takikawa et al. | Mar 1986 | |
4956682 | Ohnaka et al. | Sep 1990 | |
5041700 | Iyogi et al. | Aug 1991 | |
5355384 | Inoue et al. | Oct 1994 | |
5559819 | Abe et al. | Sep 1996 | |
5604761 | Seki et al. | Feb 1997 | |
5623509 | Iwano et al. | Apr 1997 | |
5638391 | Shima et al. | Jun 1997 | |
5684816 | Takagi | Nov 1997 |
Number | Date | Country |
---|---|---|
0 184 117 | Jun 1986 | EPX |
0 222 395 | May 1987 | EPX |
0 413 491 | Feb 1991 | EPX |
56-029381 | Mar 1981 | JPX |
61-001083 | Jan 1986 | JPX |
61-005593 | Jan 1986 | JPX |
62-043556 | Sep 1987 | JPX |
62-276885 | Dec 1987 | JPX |
63-019892 | Jan 1988 | JPX |
64-061948 | Mar 1989 | JPX |
2-002646 | Jan 1990 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 12, No. 167. |
Patent Abstracts of Japan, vol. 1, No. 123. |