Thomas Helzel
8Patents
6h-index
11Co-inventors
60Inventor score
Filing activity: Jun 9, 1983 → May 19, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5279295A | Non-invasive oximeter arrangement | Human Necessities | 221 | Expired |
| US4664129A | Optical movement sensor | Human Necessities | 48 | Expired |
| US4740081A | Optical measuring apparatus | Physics | 29 | Expired |
| US4694836A | MRI tomography apparatus for generating a motion signal | Physics | 19 | Expired |
| US4646086A | Arrangement for data transmission between two mutually rotatable parts | Electricity | 10 | Expired |
| US4496202A | Device for high voltage transfer between two parts which are rotatable relative to each other | Electricity | 6 | Expired |
| US4873486A | Magnetic resonance spectrometer | Physics | 2 | Expired |
| US7136690B2 | Electrode for biomedical measurements | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.