Ramkrishnan Narayanan
11Patents
3h-index
8Co-inventors
49Inventor score
Filing activity: Apr 26, 2007 → Feb 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9706964B2 | Systems and methods for non-invasive blood pressure measurement | Human Necessities | 8 | Active |
| US10736552B2 | Systems and methods for biological metrics measurement | Human Necessities | 8 | Active |
| US8425418B2 | Method of ultrasonic imaging and biopsy of the prostate | Human Necessities | 5 | Active |
| US9943267B2 | Systems and methods for non-invasive respiratory rate measurement | Physics | 3 | Active |
| US10638982B2 | Systems and methods for non-invasive blood pressure measurement | Human Necessities | 2 | Active |
| US11259753B2 | Systems and methods for detecting photoplethysmographic device usage | Physics | 2 | Active |
| US9131922B2 | Calibration for 3D reconstruction of medical images from a sequence of 2D images | Human Necessities | 2 | Active |
| US11963799B2 | Systems and methods for non-invasive blood pressure measurement | Physics | 0 | Active |
| US12121371B2 | Systems and methods for non-invasive blood pressure measurement | Human Necessities | 0 | Active |
| US12318198B2 | Systems and methods for biological metrics measurement | Human Necessities | 0 | Active |
| US12004879B2 | Systems and methods for detecting photoplethysmographic device usage | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.