University of Maryland
458Patents
213Active
458Granted
52Portfolio score
Filing activity: Jul 19, 1982 → Feb 12, 2024 · 95 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5227985A | Computer vision system for position monitoring in three dimensions using non-coplanar light sources attached to a monitored object | Physics | 445 | Expired |
| US9858531B1 | Fault tolerant scalable modular quantum computer architecture with an enhanced control of multi-mode couplings between trapped ion qubits | Physics | 224 | Active |
| US6256090A | Method and apparatus for determining the shape of a flexible body | Physics | 207 | Expired |
| US6667957B1 | Adaptive routing method for a dynamic network | Electricity | 202 | Expired |
| US5365426A | Advanced signal processing methodology for the detection, localization and quantification of acute myocardial ischemia | Emerging Cross-Sectional Technologies | 201 | Expired |
| US6278701A | Capacity enhancement for multi-code CDMA with integrated services through quality of services and admission control | Electricity | 180 | Expired |
| US5297061A | Three dimensional pointing device monitored by computer vision | Physics | 151 | Expired |
| US5499293A | Privacy protected information medium using a data compression method | Physics | 134 | Expired |
| US6895305B2 | Robotic apparatus and wireless communication system | Physics | 134 | Expired |
| US6066101A | Airflow perturbation device and method for measuring respiratory resistance | Human Necessities | 124 | Expired |
| US8229134B2 | Audio camera using microphone arrays for real time capture of audio images and method for jointly processing the audio images with video images | Electricity | 116 | Active |
| US5798903A | Electrode structure for ferroelectric capacitor integrated on silicon | Electricity | 111 | Expired |
| US6310995A | Resonantly coupled waveguides using a taper | Physics | 108 | Expired |
| US5388124A | Precoding scheme for transmitting data using optimally-shaped constellations over intersymbol-interference channels | Electricity | 107 | Expired |
| US6642539B2 | Epitaxial template and barrier for the integration of functional thin film metal oxide heterostructures on silicon | Electricity | 106 | Expired |
| US4584130A | Intramolecularly cross-linked hemoglobin and method of preparation | Human Necessities | 100 | Expired |
| US5388059A | Computer vision system for accurate monitoring of object pose | Physics | 95 | Expired |
| US8577091B2 | Method and apparatus for authenticating biometric scanners | Physics | 86 | Active |
| US6115281A | Methods and structures to cure the effects of hydrogen annealing on ferroelectric capacitors | Electricity | 86 | Expired |
| US5825275A | Composite shape memory micro actuator | Electricity | 83 | Expired |
| US5228103A | Monolithically integrated wavelength division multiplexing laser array | Physics | 71 | Expired |
| US6377812B1 | Combined power control and space-time diversity in mobile cellular communications | Electricity | 66 | Expired |
| US5274249A | Superconducting field effect devices with thin channel layer | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5406805A | Tandem refrigeration system | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US5735942A | Compositions containing bioactive glass and their use in treating tooth hypersensitivity | Human Necessities | 60 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.