Mark S. Freas
23Patents
14h-index
14Co-inventors
78Inventor score
Filing activity: Aug 26, 1977 → Aug 20, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8311611B2 | Method for performing multiple registrations in a navigated procedure | Human Necessities | 336 | Active |
| US8301226B2 | Method and apparatus for performing a navigated procedure | Human Necessities | 276 | Active |
| US8010177B2 | Intraoperative image registration | Human Necessities | 269 | Active |
| US8467852B2 | Method and apparatus for performing a navigated procedure | Human Necessities | 254 | Active |
| US8108025B2 | Flexible array for use in navigated surgery | Human Necessities | 241 | Active |
| US7704260B2 | Low profile instrument immobilizer | Human Necessities | 47 | Active |
| USD528211S1 | Fiducial marker | General | 45 | Expired |
| US9289270B2 | Method and apparatus for performing a navigated procedure | Human Necessities | 44 | Active |
| US8170645B2 | Fiducial marker and protective cap | Human Necessities | 38 | Active |
| US7328057B2 | Shunt passer or like surgical instrument configured for receiving different-sized positioning locators of image-guided surgical system | Human Necessities | 28 | Expired |
| US7695480B2 | Ball and socket trajectory guide | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7643867B2 | Fiducial marker devices, tools, and methods | Human Necessities | 18 | Expired |
| US7720522B2 | Fiducial marker devices, tools, and methods | Human Necessities | 18 | Active |
| USD527820S1 | Fiducial marker | General | 17 | Expired |
| US4204830A | Method and apparatus for controlling burner-air-fuel ratio | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8073530B2 | Fiducial marker devices, tools, and methods | Human Necessities | 10 | Active |
| US8185184B2 | Fiducial marker devices, tools, and methods | Human Necessities | 9 | Active |
| US8591522B2 | Ball and socket trajectory guide | Emerging Cross-Sectional Technologies | 4 | Active |
| US8032204B2 | Fiducial marker devices, tools, and methods | Human Necessities | 3 | Active |
| US8517993B2 | Composite MR-compatible stylet | Human Necessities | 3 | Active |
| US9901713B2 | Low profile instrument immobilizer | Human Necessities | 2 | Active |
| US10058681B2 | Low profile instrument immobilizer | Human Necessities | 2 | Active |
| US10974029B2 | Low profile instrument immobilizer | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.