Ka Ram Choi
17Patents
2h-index
22Co-inventors
46Inventor score
Filing activity: Jun 7, 2018 → Oct 17, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11291374B2 | Apparatus and method for estimating bio-information | Human Necessities | 25 | Active |
| US11517223B2 | Apparatus and method for estimating blood glucose | Human Necessities | 2 | Active |
| US11058358B2 | Apparatus and method for correcting error of bio-information sensor, and apparatus and method for estimating bio-information | Human Necessities | 2 | Active |
| US11399746B2 | Personalized bio-information correcting apparatus and method | Human Necessities | 1 | Active |
| US11786151B2 | Apparatus and method for obtaining target signal spectrum | Human Necessities | 0 | Active |
| US11815454B2 | Method and system for optimizing Monte Carlo simulations for diffuse reflectance spectroscopy | Physics | 0 | Active |
| US11723596B2 | Healthcare apparatus and operating method thereof | Human Necessities | 0 | Active |
| US11564622B2 | Apparatus and method for generating metabolism model | Human Necessities | 0 | Active |
| US11717171B2 | Apparatus and method for estimating body temperature, and healthcare device | Human Necessities | 0 | Active |
| US11642087B2 | Method and apparatus for pre-processing PPG signal | Human Necessities | 0 | Active |
| US11925438B2 | Apparatus and method for estimating body temperature, and healthcare device | Human Necessities | 0 | Active |
| US11986271B2 | Apparatus and method for measuring bio-signal | Human Necessities | 0 | Active |
| US11607178B2 | Drift, noise, and motion artifact correction method for photoplethysmogram (PPG) signals and system thereof | Human Necessities | 0 | Active |
| US11197635B2 | Healthcare apparatus and operating method thereof | Human Necessities | 0 | Active |
| US11642086B2 | Apparatus and method for correcting error of bio-information sensor, and apparatus and method for estimating bio-information | Human Necessities | 0 | Active |
| US11147521B2 | Apparatus and method for health care | Human Necessities | 0 | Active |
| US11911188B2 | Apparatus and method for monitoring health, and mobile device | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.