Robert David Darrow
48Patents
30h-index
35Co-inventors
85Inventor score
Filing activity: Sep 3, 1991 → Jun 7, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5211165A | Tracking system to follow the position and orientation of a device with radiofrequency field gradients | Human Necessities | 727 | Expired |
| US5526812A | Display system for enhancing visualization of body structures during medical procedures | Physics | 544 | Expired |
| US5377678A | Tracking system to follow the position and orientation of a device with radiofrequency fields | Human Necessities | 513 | Expired |
| US5318025A | Tracking system to monitor the position and orientation of a device using multiplexed magnetic resonance detection | Physics | 453 | Expired |
| US5437277A | Inductively coupled RF tracking system for use in invasive imaging of a living body | Emerging Cross-Sectional Technologies | 446 | Expired |
| US5740802A | Computer graphic and live video system for enhancing visualization of body structures during surgery | Electricity | 443 | Expired |
| US5265610A | Multi-planar X-ray fluoroscopy system using radiofrequency fields | Human Necessities | 440 | Expired |
| US5251635A | Stereoscopic X-ray fluoroscopy system using radiofrequency fields | Electricity | 426 | Expired |
| US5255680A | Automatic gantry positioning for imaging systems | Human Necessities | 396 | Expired |
| US5730129A | Imaging of interventional devices in a non-stationary subject | Human Necessities | 387 | Expired |
| US5271400A | Tracking system to monitor the position and orientation of a device using magnetic resonance detection of a sample contained within the device | Physics | 386 | Expired |
| US5577502A | Imaging of interventional devices during medical procedures | Human Necessities | 382 | Expired |
| US5443066A | Invasive system employing a radiofrequency tracking system | Human Necessities | 363 | Expired |
| US5445150A | Invasive system employing a radiofrequency tracking system | Human Necessities | 331 | Expired |
| US5353795A | Tracking system to monitor the position of a device using multiplexed magnetic resonance detection | Physics | 249 | Expired |
| US6246896A | MRI guided ablation system | Human Necessities | 215 | Expired |
| US5307808A | Tracking system and pulse sequences to monitor the position of a device using magnetic resonance | Physics | 187 | Expired |
| US5365927A | Magnetic resonance imaging system with pointing device | Physics | 113 | Expired |
| US7725157B2 | System and method for interventional procedures using MRI | Human Necessities | 107 | Active |
| US6129667A | Luminal diagnostics employing spectral analysis | Human Necessities | 88 | Expired |
| US6289233A | High speed tracking of interventional devices using an MRI system | Human Necessities | 68 | Expired |
| US5671739A | Imaging of interventional devices during medical procedures | Human Necessities | 64 | Expired |
| US6470204B1 | Intracavity probe for MR image guided biopsy and delivery of therapy | Human Necessities | 55 | Expired |
| US5882305A | Optical coupling for invasive devices | Physics | 53 | Expired |
| US5445151A | Method for blood flow acceleration and velocity measurement using MR catheters | Physics | 47 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.