Northwestern University
2,845Patents
2,183Active
2,845Granted
62Portfolio score
Filing activity: Oct 6, 1975 → Apr 9, 2024 · 333 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4611594A | Medical instrument for containment and removal of calculi | Human Necessities | 740 | Expired |
| US5872010A | Microscale fluid handling system | Emerging Cross-Sectional Technologies | 648 | Expired |
| US5799055A | Apparatus and method for planning a stereotactic surgical procedure using coordinated fluoroscopy | Physics | 606 | Expired |
| US5476925A | Oligodeoxyribonucleotides including 3'-aminonucleoside-phosphoramidate linkages and terminal 3'-amino groups | Chemistry; Metallurgy | 518 | Expired |
| US5638946A | Micromechanical switch with insulated switch contact | Electricity | 426 | Expired |
| US6353492B2 | Method of fabrication of a torsional micro-mechanical mirror system | Physics | 375 | Expired |
| US4958013A | Cholesteryl modified oligonucleotides | Chemistry; Metallurgy | 315 | Expired |
| US5416203A | Steroid modified oligonucleotides | Chemistry; Metallurgy | 275 | Expired |
| US6699241B2 | Wide-aperture catheter-based microwave cardiac ablation antenna | Human Necessities | 272 | Expired |
| US5515059A | Antenna array having two dimensional beam steering | Electricity | 252 | Expired |
| US4345588A | Method of delivering a therapeutic agent to a target capillary bed | Physics | 250 | Expired |
| US9425765B2 | Nano- and micro-electromechanical resonators | Electricity | 250 | Active |
| US8522348B2 | Matching with a large vulnerability signature ruleset for high performance network defense | Electricity | 241 | Active |
| US6201629A | Torsional micro-mechanical mirror system | Physics | 234 | Expired |
| US5112354A | Bone allograft material and method | Human Necessities | 225 | Expired |
| US5694593A | Distributed computer database system and method | Emerging Cross-Sectional Technologies | 209 | Expired |
| US4011403A | Fiber optic laser illuminators | Emerging Cross-Sectional Technologies | 187 | Expired |
| US6020963A | Optical quadrature Interferometer | Physics | 187 | Expired |
| US5410638A | System for positioning a medical instrument within a biotic structure using a micromanipulator | Human Necessities | 186 | Expired |
| US4230685A | Method of magnetic separation of cells and the like, and microspheres for use therein | Emerging Cross-Sectional Technologies | 185 | Expired |
| US5476930A | Non-enzymatic ligation of oligonucleotides | Chemistry; Metallurgy | 173 | Expired |
| US5516931A | Release tag compounds producing ketone signal groups | Physics | 171 | Expired |
| US5470352A | Balloon angioplasty device | Human Necessities | 169 | Expired |
| US6198794A | Apparatus and method for planning a stereotactic surgical procedure using coordinated fluoroscopy | Physics | 166 | Expired |
| US6381022B1 | Light modulating device | Physics | 162 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.