Number | Date | Country | Kind |
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5-051945 | Mar 1993 | JPX | |
5-301565 | Dec 1993 | JPX |
Number | Name | Date | Kind |
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4673902 | Takeda et al. | Jun 1987 | |
4733208 | Ishikawa et al. | Mar 1988 | |
5130683 | Agahi-Kesheh et al. | Jul 1992 | |
5146193 | Sokola | Sep 1992 |
Number | Date | Country |
---|---|---|
0444948 | Sep 1991 | EPX |
0483820 | May 1992 | EPX |
0576273 | Dec 1993 | EPX |
62-43904 | Feb 1987 | JPX |
0037101 | Feb 1989 | JPX |
0053601 | Mar 1989 | JPX |
2-46085 | Dec 1990 | JPX |
0006103 | Jan 1991 | JPX |
4-103202 | Apr 1992 | JPX |
0150101 | May 1992 | JPX |
4167701 | Jun 1992 | JPX |
5175704 | Jul 1993 | JPX |
Entry |
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Hano et al., "A Bandpass Filter Using Direct--Coupled . . . Resonators", Microwave Journal, Nov. 1987, pp. 141-143, 145, 147, 148, 150, 152, 154, 156, 158, 160. |