Charles L. Dumoulin
123Patents
36h-index
51Co-inventors
93Inventor score
Filing activity: Sep 23, 1985 → Sep 3, 2021
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 |
| US5715822A | Magnetic resonance devices suitable for both tracking and imaging | Physics | 262 | Expired |
| US5353795A | Tracking system to monitor the position of a device using multiplexed magnetic resonance detection | Physics | 249 | Expired |
| US5419325A | Magnetic resonance (MR) angiography using a faraday catheter | Physics | 231 | 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 |
| US5447156A | Magnetic resonance (MR) active invasive devices for the generation of selective MR angiograms | Physics | 108 | Expired |
| US7725157B2 | System and method for interventional procedures using MRI | Human Necessities | 107 | Active |
| US6129667A | Luminal diagnostics employing spectral analysis | Human Necessities | 88 | Expired |
| US6611702B2 | Apparatus for use in neonatal magnetic resonance imaging | Physics | 87 | Expired |
| US6201987A | Error compensation for device tracking systems employing electromagnetic fields | Physics | 83 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.