| Patent No. | Patent Title: |
| 5821833 | Stacked crystal filter device and method of making |
| 5805034 | Microstrip patch filters |
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| 5739735 | Filter with improved stop/pass ratio |
| 5734305 | Stepwise switched filter |
| 5731749 | Transmission line resonator filter with variable slot coupling an... |
| 5721519 | Balanced type surface acoustic wave device |
| 5717365 | Resonator and resonant component utilizing width vibration mode |
| 5717367 | Surface acoustic wave (SAW) filter with improved spacing between ... |
| 5717368 | Varactor tuned helical resonator for use with duplex filter |
| 5717366 | Ladder type piezoelectric filter including conductive rubber plat... |
| 5714920 | Dielectrically loaded cavity resonator |
| 5708403 | Saw resonator having transverse mode ripple at antiresonance poin... |
| 5708402 | Surface acoustic wave device improved in convolution efficiency, ... |
| 5705966 | LC-type dielectric strip line resonator |
| 5705965 | Cavity type band-pass filter with comb-line structure |
| 5703547 | Dual-mode cavity for waveguide bandpass filter |
| 5703546 | Strip line filter having dual mode loop resonators |
| 5701107 | Phase shifter circuit using field effect transistors |
| 5699026 | Component working with surface acoustic waves |
| 5699027 | Surface acoustic wave devices having a guard layer |
| 5694096 | Surface acoustic wave filter |
| 5694095 | Surface acoustic wave resonance device adapted to simple and prec... |
| 5691675 | Resonator with external conductor as resonance inductance element... |
| 5691677 | Tunable resonator for microwave oscillators and filters |
| 5689221 | Radio frequency filter comprising helix resonators |
| 5686874 | Temperature-compensated combiner |
| 5684437 | End face reflection type surface wave resonator |
| 5682126 | Ladder saw filter contained in a single acoustic track |
| 5682085 | Multi-electron beam source and image display device using the sam... |
| 5677652 | Microwave ferrite resonator with parallel permanent magnet bias |
| 5670919 | Piezoelectric filter |
| 5670921 | Surface acoustic wave device |
| 5668511 | Low-pass filter |
| 5666091 | Structure of surface acoustic wave filter |
| 5663697 | Surface accoustic wave filter |
| 5663695 | Surface acoustic wave filter device and transducer therefor |
| 5661371 | Color filter system for light emitting display panels |
| 5661444 | Multi-channel, narrow-band saw filter |
| 5654681 | Laminated dielectric resonator and dielectric filter |
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