Igor Khalfin
7Patents
5h-index
4Co-inventors
56Inventor score
Filing activity: Dec 17, 1998 → Feb 22, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6400139B1 | Methods and apparatus for electromagnetic position and orientation tracking with distortion compensation | Human Necessities | 83 | Expired |
| US6369564B1 | Electromagnetic position and orientation tracking system with distortion compensation employing wireless sensors | Physics | 65 | Expired |
| US6624626B2 | Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signal | Human Necessities | 39 | Expired |
| US6762600B2 | Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing a modulated signal | Human Necessities | 28 | Expired |
| US6377041B1 | Method and apparatus for determining electromagnetic field characteristics within a volume | Physics | 28 | Expired |
| US9459124B2 | Electromagnetic tracker (AC) with extended range and distortion compensation capabilities employing multiple transmitters | Physics | 4 | Active |
| US11428546B2 | Method and apparatus for synchronizing multiple magnetic tracking systems | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.