Aura Systems Inc.
🏢 View company profile →79Patents
2Active
79Granted
39Portfolio score
Filing activity: May 27, 1988 → Dec 31, 2013
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5780958A | Piezoelectric vibrating device | Electricity | 105 | Expired |
| US4892328A | Electromagnetic strut assembly | Performing Operations; Transporting | 97 | Expired |
| US5285995A | Optical table active leveling and vibration cancellation system | Performing Operations; Transporting | 97 | Expired |
| US5126836A | Actuated mirror optical intensity modulation | Electricity | 90 | Expired |
| US6700214B2 | Mobile power generation system | Electricity | 90 | Expired |
| US6700802B2 | Bi-directional power supply circuit | Electricity | 89 | Expired |
| US5222714A | Electromagnetically actuated valve | Electricity | 82 | Expired |
| US5185660A | Actuated mirror optical intensity modulation | Electricity | 80 | Expired |
| US5085497A | Method for fabricating mirror array for optical projection system | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5822370A | Compression/decompression for preservation of high fidelity speech quality at low bandwidth | Physics | 78 | Expired |
| US5150205A | Actuated mirror optical intensity modulation | Electricity | 57 | Expired |
| US4912343A | Electromagnetic actuator | Electricity | 54 | Expired |
| US5260798A | Pixel intensity modulator | Physics | 53 | Expired |
| US5207239A | Variable gain servo assist | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5159225A | Piezoelectric actuator | Electricity | 49 | Expired |
| US4969662A | Active damping system for an automobile suspension | Performing Operations; Transporting | 48 | Expired |
| US5548263A | Electromagnetically actuated valve | Electricity | 40 | Expired |
| US5099158A | Electromagnetic actuator | Electricity | 40 | Expired |
| US5481396A | Thin film actuated mirror array | Performing Operations; Transporting | 40 | Expired |
| US5736808A | Piezoelectric speaker | Electricity | 39 | Expired |
| US5175465A | Piezoelectric and electrostrictive actuators | Electricity | 36 | Expired |
| US5652801A | Resonance damper for piezoelectric transducer | Electricity | 33 | Expired |
| US6157175A | Mobile power generation system | Electricity | 33 | Expired |
| US5721694A | Non-linear deterministic stochastic filtering method and system | Electricity | 33 | Expired |
| USD364162S | Amplifier housing | General | 28 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.