Brown University Research Foundation
192Patents
13Active
192Granted
46Portfolio score
Filing activity: Sep 8, 1981 → Feb 8, 2012 · 10 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5554148A | Renewable neural implant device and method | Chemistry; Metallurgy | 1,434 | Expired |
| US6083523A | Implantable biocompatable immunoisolatory vehicle for delivery of selected therapeutic products | Chemistry; Metallurgy | 442 | Expired |
| US4892538A | In vivo delivery of neurotransmitters by implanted, encapsulated cells | Chemistry; Metallurgy | 392 | Expired |
| US5759205A | Negatively charged polymeric electret implant | Human Necessities | 298 | Expired |
| US5011472A | Implantable delivery system for biological factors | Human Necessities | 291 | Expired |
| US5487739A | Implantable therapy systems and methods | Chemistry; Metallurgy | 290 | Expired |
| US6235313A | Bioadhesive microspheres and their use as drug delivery and imaging systems | Emerging Cross-Sectional Technologies | 244 | Expired |
| US5748318A | Optical stress generator and detector | Physics | 235 | Expired |
| US5106627A | Neurological therapy devices | Chemistry; Metallurgy | 196 | Expired |
| US6123965A | Methods and compositions for enhancing the bioadhesive properties of polymers | Human Necessities | 184 | Expired |
| US5283187A | Cell culture-containing tubular capsule produced by co-extrusion | Chemistry; Metallurgy | 165 | Expired |
| US5434878A | Optical gain medium having doped nanocrystals of semiconductors and also optical scatterers | Electricity | 147 | Expired |
| US5158881A | Method and system for encapsulating cells in a tubular extrudate in separate cell compartments | Chemistry; Metallurgy | 147 | Expired |
| US5800828A | Implantable biocompatible immunoisolatory vehicle for delivery of selected therapeutic products | Chemistry; Metallurgy | 138 | Expired |
| US6365187B2 | Bioadhesive microspheres and their use as drug delivery and imaging systems | Emerging Cross-Sectional Technologies | 126 | Expired |
| US5871767A | Methods for treatment or prevention of neurodegenerative conditions using immunoisolatory implantable vehicles with a biocompatible jacket and a biocompatible matrix core | Chemistry; Metallurgy | 126 | Expired |
| US5284761A | Method of encapsulating cells in a tubular extrudate | Chemistry; Metallurgy | 121 | Expired |
| US5959735A | Optical stress generator and detector | Physics | 119 | Expired |
| US7212851B2 | Microstructured arrays for cortex interaction and related methods of manufacture and use | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5581620A | Methods and apparatus for adaptive beamforming | Electricity | 109 | Expired |
| US5474547A | Implanting devices for the focal release of neuroinhibitory compounds | Chemistry; Metallurgy | 107 | Expired |
| US6235224A | Process for preparing microparticles through phase inversion phenomena | Performing Operations; Transporting | 102 | Expired |
| US5798113A | Implantable biocompatible immunoisolatory vehicle for delivery of selected therapeutic products | Chemistry; Metallurgy | 99 | Expired |
| US5737431A | Methods and apparatus for source location estimation from microphone-array time-delay estimates | Physics | 98 | Expired |
| US5448582A | Optical sources having a strongly scattering gain medium providing laser-like action | Electricity | 97 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.