John A. Simpson
77Patents
31h-index
66Co-inventors
91Inventor score
Filing activity: May 2, 1995 → Feb 7, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6391024B1 | RF ablation apparatus and method having electrode/tissue contact assessment scheme and electrocardiogram filtering | Human Necessities | 653 | Expired |
| US5681280A | Catheter control system | Human Necessities | 372 | Expired |
| US6443971B1 | System for, and method of, blocking the passage of emboli through a vessel | Human Necessities | 299 | Expired |
| US6096036A | Steerable catheter with preformed distal shape and method for use | Human Necessities | 244 | Expired |
| US6585718B2 | Steerable catheter with shaft support system for resisting axial compressive loads | Human Necessities | 243 | Expired |
| US6440129B1 | Electrode having non-joined thermocouple for providing multiple temperature-sensitive junctions | Human Necessities | 200 | Expired |
| US6648875B2 | Means for maintaining tension on a steering tendon in a steerable catheter | Human Necessities | 165 | Expired |
| US6146381A | Catheter having distal region for deflecting axial forces | Human Necessities | 160 | Expired |
| US6312425A | RF ablation catheter tip electrode with multiple thermal sensors | Human Necessities | 125 | Expired |
| US6616657B2 | RF ablation catheter tip electrode with multiple thermal sensors | Human Necessities | 125 | Expired |
| US6752804B2 | Ablation system and method having multiple-sensor electrodes to assist in assessment of electrode and sensor position and adjustment of energy levels | Human Necessities | 122 | Expired |
| US6692492B2 | Dielectric-coated ablation electrode having a non-coated window with thermal sensors | Human Necessities | 105 | Expired |
| US6730078B2 | RF ablation apparatus and method using multi-frequency energy delivery | Human Necessities | 104 | Expired |
| US6398756B2 | Embolic protection system and method including an emboli-capturing catheter | Human Necessities | 96 | Expired |
| US6042580A | Electrode having composition-matched, common-lead thermocouple wire for providing multiple temperature-sensitive junctions | Human Necessities | 94 | Expired |
| US6626889B1 | Thin-walled guiding catheter with improved radiopacity | Human Necessities | 89 | Expired |
| US7419477B2 | Catheterization method using proximal articulation and pre-formed distal end | Human Necessities | 86 | Expired |
| US6309385A | Electrode having composition-matched, common-lead thermocouple wire for providing multiple temperature-sensitive junctions | Human Necessities | 81 | Expired |
| US7906066B2 | Method of making a balloon catheter shaft having high strength and flexibility | Emerging Cross-Sectional Technologies | 70 | Active |
| US6896691B2 | System for, and method of, blocking the passage of emboli through a vessel | Human Necessities | 61 | Expired |
| US6270496A | Steerable catheter with preformed distal shape and method for use | Human Necessities | 60 | Expired |
| US6605086B2 | Steerable catheter with torque transfer system | Human Necessities | 59 | Expired |
| US6582425B2 | Electrode having composition-matched, common-lead thermocouple wire for providing multiple temperature-sensitive junctions | Human Necessities | 58 | Expired |
| US6049737A | Catheter having common lead for electrode and sensor | Human Necessities | 58 | Expired |
| US6869414B2 | Pre-shaped catheter with proximal articulation and pre-formed distal end | Human Necessities | 49 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.