David Schie
33Patents
8h-index
15Co-inventors
72Inventor score
Filing activity: Oct 18, 1996 → Jun 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6958920B2 | Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic flux | Electricity | 151 | Expired |
| US6940733B2 | Optimal control of wide conversion ratio switching converters | Emerging Cross-Sectional Technologies | 121 | Expired |
| US6781351B2 | AC/DC cascaded power converters having high DC conversion ratio and improved AC line harmonics | Emerging Cross-Sectional Technologies | 96 | Expired |
| US7622820B1 | Switch-mode power supply (SMPS) with auto-tuning using limit-cycle oscillation response evaluation | Electricity | 40 | Active |
| US5847550A | Exit sign having a pulse switching tandem flyback voltage converter and a backup battery | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5656925A | Pulse switching tandem flyback voltage converter | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9345413B2 | Heart rate extraction using neural wavelet adaptive gain control and neural pattern processing | Physics | 10 | Active |
| US6771679B2 | Apparatus and method for programmable control of laser diode modulation and operating point | Electricity | 8 | Expired |
| US9791638B2 | Low power integrated analog mathematical engine | Physics | 4 | Active |
| US10973446B2 | Device to extract physiological information and method therefor | Electricity | 2 | Active |
| US9673310B2 | Direct drive LED driver and offline charge pump and method therefor | Emerging Cross-Sectional Technologies | 2 | Active |
| US9231590B1 | Trim method for high voltage drivers | Physics | 2 | Active |
| US9142657B2 | Gated thyristor power device | Electricity | 1 | Active |
| US8378658B2 | Load swtch for removing high frequency ripple, noise and/or spikes while providing power to subsystems | Electricity | 1 | Active |
| US10509749B2 | Direct drive LED driver and offline charge pump and method therefor | Emerging Cross-Sectional Technologies | 1 | Active |
| US9692376B2 | Controlled switched capacitor coefficients | Electricity | 1 | Active |
| US10515035B2 | Direct drive LED driver and offline charge pump and method therefor | Emerging Cross-Sectional Technologies | 1 | Active |
| US10515034B2 | Direct drive LED driver and offline charge pump and method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US11087099B2 | Single transistor multiplier and method therefor | Electricity | 0 | Active |
| US12001945B2 | Event driven mathematical engine and method | Electricity | 0 | Active |
| US10909057B2 | Direct drive LED driver and offline charge pump and method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US10915480B2 | Direct drive LED driver and offline charge pump and method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US11494628B2 | Charge domain mathematical engine and method | Physics | 0 | Active |
| US10387344B2 | Direct drive LED driver and offline charge pump and method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US10909058B2 | Direct drive LED driver and offline charge pump and method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.