John Edward Scharf
9Patents
7h-index
2Co-inventors
53Inventor score
Filing activity: Apr 1, 1994 → May 9, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5575284A | Portable pulse oximeter | Human Necessities | 632 | Expired |
| US5830137A | Green light pulse oximeter | Human Necessities | 344 | Expired |
| US6011985A | Medical diagnostic instrument using light-to-frequency converter | Human Necessities | 294 | Expired |
| US6330468A | System using green light to determine parmeters of a cardiovascular system | Human Necessities | 250 | Expired |
| US7020507B2 | Separating motion from cardiac signals using second order derivative of the photo-plethysmogram and fast fourier transforms | Human Necessities | 193 | Expired |
| US6496711B1 | Pulse oximeter probe | Human Necessities | 164 | Expired |
| US8073516B2 | Separating motion from cardiac signals using second order derivative of the photo-plethysmogram and fast fourier transforms | Human Necessities | 18 | Active |
| US11883177B2 | Electrocardiogram method for lactate threshold detection | Human Necessities | 0 | Active |
| US11331032B2 | Electrocardiogram method for lactate threshold detection | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.