Inventor · disambiguated record
Sadahiro Tamura
Also filed as: ITO YOJI · NISHIKAWA TOSHIO · TAMURA SADAHIRO
22 granted patents·670 citations·filing 1975–1986
97Inventor score
Top patents by PatentIndex Score
22 records- 0198US4028652ADielectric resonator and microwave filter using the sameMURATA MANUFACTURING CO·Filed 1975·Granted Jun 7, 1977·141 cites·9 claims
- 0297US4423397ADielectric resonator and filter with dielectric resonatorMURATA MANUFACTURING CO·Filed 1981·Granted Dec 27, 1983·87 cites·28 claims
- 0394US4138652ADielectric resonator capable of suppressing spurious modeMURATA MANUFACTURING CO·Filed 1977·Granted Feb 6, 1979·48 cites·6 claims
- 0492US4464640ADistribution constant type filterMURATA MANUFACTURING CO·Filed 1982·Granted Aug 7, 1984·47 cites·29 claims
- 0589US4223287AElectrical filter employing transverse electromagnetic mode coaxial resonatorsMURATA MANUFACTURING CO·Filed 1978·Granted Sep 16, 1980·32 cites·26 claims
- 0689US4179673AInterdigital filterMURATA MANUFACTURING CO·Filed 1978·Granted Dec 18, 1979·34 cites·11 claims
- 0787US4142164ADielectric resonator of improved typeMURATA MANUFACTURING CO·Filed 1977·Granted Feb 27, 1979·29 cites·7 claims
- 0885US4342972AMicrowave device employing coaxial resonatorMURATA MANUFACTURING CO·Filed 1980·Granted Aug 3, 1982·34 cites·14 claims
- 0984US4276525ACoaxial resonator with projecting terminal portion and electrical filter employing a coaxial resonator of that typeMURATA MANUFACTURING CO·Filed 1978·Granted Jun 30, 1981·26 cites·4 claims
- 1082US4121181AElectrical branching filterMURATA MANUFACTURING CO·Filed 1977·Granted Oct 17, 1978·23 cites·11 claims
- 1181US4151494AElectrical filterMURATA MANUFACTURING CO·Filed 1977·Granted Apr 24, 1979·23 cites·25 claims
- 1279US4143344AMicrowave band-pass filter provided with dielectric resonatorMURATA MANUFACTURING CO·Filed 1977·Granted Mar 6, 1979·21 cites·8 claims
- 1367US4136320AMethod of constructing dielectric resonator unit and dielectric resonator unit produced therebyMURATA MANUFACTURING CO·Filed 1977·Granted Jan 23, 1979·18 cites·8 claims
- 1466US4184130AFilter devices incorporating dielectric resonators and leakage cableMURATA MANUFACTURING CO·Filed 1978·Granted Jan 15, 1980·14 cites·10 claims
- 1565US4245198AHigh frequency filter deviceMURATA MANUFACTURING CO·Filed 1979·Granted Jan 13, 1981·14 cites·13 claims
- 1664US4398164ACoaxial resonatorMURATA MANUFACTURING CO·Filed 1981·Granted Aug 9, 1983·21 cites·11 claims
- 1756US4713632ABand reflection type FET dielectric resonator oscillatorMURATA MANUFACTURING CO·Filed 1986·Granted Dec 15, 1987·14 cites·4 claims
- 1854US4325035AOscillator using dielectric resonatorMURATA MANUFACTURING CO·Filed 1980·Granted Apr 13, 1982·11 cites·30 claims
- 1952US4528655AApparatus for detecting variation of electrostatic capacitanceMURATA MANUFACTURING CO·Filed 1982·Granted Jul 9, 1985·9 cites·7 claims
- 2050US4694262AOscillator with resonator having a switched capacitor for frequency changingINOUE ATSUSHI·Filed 1984·Granted Sep 15, 1987·9 cites·5 claims
- 2150US4200847ARectangular branching filter having plurality of rod members for fine impedance matchingMURATA MANUFACTURING CO·Filed 1977·Granted Apr 29, 1980·8 cites·1 claims
- 2245US4321560AOscillator using dielectric resonatorMURATA MANUFACTURING CO·Filed 1980·Granted Mar 23, 1982·7 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →