Number | Date | Country | Kind |
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4985690 | Eguchi et al. | Jan 1991 | A |
5475350 | Yamada et al. | Dec 1995 | A |
5559485 | Matsuo et al. | Sep 1996 | A |
5684439 | Vangala | Nov 1997 | A |
6184760 | Wada et al. | Feb 2001 | B1 |
6359529 | Tsunoda et al. | Mar 2002 | B1 |
Number | Date | Country |
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0538894 | Oct 1992 | EP |
0660434 | Dec 1994 | EP |
0851526 | Jul 1998 | EP |
292001 | Mar 1990 | JP |
7-94911 | Apr 1995 | JP |
8-330806 | Dec 1996 | JP |
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Entry |
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European Search Report dated Feb. 8, 2002. |
Morikazu Sagawa et al., “Geometrical Structures and Fundamental Characteristics of Microwave Stepped-Impedance Resonators”, IEEE Transactions on Microwave Theory and Techniques, Jul. 1997, vol. 45, No. 7, pp. 1078-1085. |
Copy of Japanese Examination Report dated Oct. 28, 2003 (and English translation of same). |