Hangseok Choi
51Patents
5h-index
31Co-inventors
68Inventor score
Filing activity: Oct 14, 2008 → Dec 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8098505B1 | Phase management for interleaved power factor correction | Emerging Cross-Sectional Technologies | 37 | Active |
| US10608544B2 | Automatic control of synchronous rectifier turn-off threshold | Emerging Cross-Sectional Technologies | 10 | Active |
| US8143845B2 | Cable voltage drop compensation for battery chargers | Electricity | 7 | Active |
| US8085559B1 | Current mode control for resonant converter circuits | Emerging Cross-Sectional Technologies | 6 | Active |
| US8279630B2 | Continuous conduction mode power factor correction circuit with reduced sensing requirements | Emerging Cross-Sectional Technologies | 5 | Active |
| US10027235B2 | Self-tuning adaptive dead time control for continuous conduction mode and discontinuous conduction mode operation of a flyback converter | Emerging Cross-Sectional Technologies | 5 | Active |
| US8482942B2 | Method and apparatus for bridgeless power factor correction | Emerging Cross-Sectional Technologies | 5 | Active |
| US8817498B2 | Hybrid control techniques for series resonant converter | Emerging Cross-Sectional Technologies | 4 | Active |
| US10396571B2 | Adaptive overvoltage protection for adaptive power adapters | Electricity | 3 | Active |
| US10693379B2 | Short-circuit protection using pulse width modulation (PWM) for resonant converters | Emerging Cross-Sectional Technologies | 3 | Active |
| US8576583B2 | Sampled charge control for resonant converter | Emerging Cross-Sectional Technologies | 3 | Active |
| US10186948B2 | Burst mode control in resonant converters | Emerging Cross-Sectional Technologies | 2 | Active |
| US10164543B2 | System and method for controlling power converter with adaptive turn-on delay | Emerging Cross-Sectional Technologies | 2 | Active |
| US9812976B2 | Control of a startup circuit using a feedback pin of a PWM controller integrated circuit chip | Electricity | 2 | Active |
| US10090757B2 | Power factor correction circuit and method | Emerging Cross-Sectional Technologies | 2 | Active |
| US9991810B2 | Gate pre-positioning for fast turn-off of synchronous rectifier | Emerging Cross-Sectional Technologies | 2 | Active |
| US10110137B1 | Automatic control of synchronous rectifier turn-off threshold | Emerging Cross-Sectional Technologies | 1 | Active |
| US10256735B2 | Power supply with near valley switching | Emerging Cross-Sectional Technologies | 1 | Active |
| US10193455B2 | Resonant capacitor stabilizer in resonant converters | Emerging Cross-Sectional Technologies | 1 | Active |
| US10333416B2 | System and method for controlling voltage control loop in power converter | Emerging Cross-Sectional Technologies | 1 | Active |
| US10103618B2 | Power factor correction circuit with calculated duty compensation and driving method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US11177681B2 | Electronic device and method for controlling recharge of battery | Electricity | 1 | Active |
| US10630170B2 | Power factor correction circuit and method | Emerging Cross-Sectional Technologies | 1 | Active |
| US10374516B2 | Non zero-voltage switching (ZVS) detection in resonant converters | Emerging Cross-Sectional Technologies | 1 | Active |
| US9825548B2 | Adaptive turn-off trigger blanking for synchronous rectification | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.