Chuh-Ching Li
27Patents
9h-index
27Co-inventors
71Inventor score
Filing activity: Sep 16, 2004 → Jun 1, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7362593B2 | Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply | Emerging Cross-Sectional Technologies | 105 | Expired |
| US7362592B2 | Switching control circuit for primary-side controlled power converters | Electricity | 96 | Expired |
| US7352595B2 | Primary-side controlled switching regulator | Electricity | 50 | Expired |
| US7965528B2 | Method and apparatus for measuring the switching current of power converter operated at continuous current mode | Physics | 26 | Active |
| US8094468B2 | Control circuit having off-time modulation to operate power converter at quasi-resonance and in continuous current mode | Emerging Cross-Sectional Technologies | 20 | Active |
| US7426120B2 | Switching control circuit having a valley voltage detector to achieve soft switching for a resonant power converter | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7471121B2 | Transistor drive circuit of power converter operating in a wide voltage range | Electricity | 14 | Active |
| US7671578B2 | Detection circuit for sensing the input voltage of transformer | Physics | 10 | Active |
| US8587964B2 | Control circuit with burst mode and extended valley switching for quasi-resonant power converter | Emerging Cross-Sectional Technologies | 10 | Active |
| US7663352B2 | Control circuit for measuring and regulating output current of CCM power converter | Electricity | 9 | Active |
| US7466569B2 | Power converter having phase lock circuit for quasi-resonant soft switching | Emerging Cross-Sectional Technologies | 7 | Active |
| US7492613B2 | Control circuit of power converter having adaptive bias for detecting reflected voltage of transformer | Electricity | 6 | Expired |
| US8432109B2 | Method and apparatus for a LED driver with high power factor | Electricity | 6 | Active |
| US7405595B2 | High-side transistor driver having positive feedback for improving speed and power saving | Electricity | 6 | Expired |
| US7561447B2 | Primary-side controlled switching regulator | Electricity | 5 | Active |
| US8742677B2 | LED drive circuit with a programmable input for LED lighting | Emerging Cross-Sectional Technologies | 3 | Active |
| US8559196B2 | Output voltage control circuit of power converter for light-load power saving | Emerging Cross-Sectional Technologies | 2 | Active |
| US7701734B2 | Detection circuit to detect input voltage of transformer and detecting method for the same | Electricity | 2 | Active |
| US7518416B2 | Method and apparatus for detecting switching current of magnetic device operated in continuous current mode | Electricity | 2 | Active |
| US9049764B2 | LED drive circuit with a programmable input for LED lighting | Emerging Cross-Sectional Technologies | 1 | Active |
| US11139742B2 | Switching controller circuit and method for controlling flyback power converter | Emerging Cross-Sectional Technologies | 1 | Active |
| US10412796B2 | LED drive circuit with a programmable input for LED lighting | Emerging Cross-Sectional Technologies | 1 | Active |
| US11026309B2 | LED drive circuit with a programmable input for LED lighting | Emerging Cross-Sectional Technologies | 0 | Active |
| US8854841B2 | High-speed reflected signal detection for primary-side controlled power converters | Electricity | 0 | Active |
| US10531528B2 | LED drive circuit with a programmable input for LED lighting | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.