Ching-Ran Lee
18Patents
2h-index
21Co-inventors
50Inventor score
Filing activity: Dec 26, 2006 → Dec 9, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8952626B2 | Lighting control systems and methods | Emerging Cross-Sectional Technologies | 32 | Active |
| US8242757B2 | Constant power control apparatus and control method thereof | Emerging Cross-Sectional Technologies | 2 | Active |
| US8278847B2 | LED mixture control device and controlling method thereof | Electricity | 2 | Active |
| US8148920B2 | Method of controlling a ballast for a high intensity discharge lamp and related system | Electricity | 2 | Active |
| US7557522B2 | Preheat control device for modulating voltage of gas-discharge lamp | Electricity | 2 | Active |
| US9257904B2 | Direct current conversion circuit | Emerging Cross-Sectional Technologies | 1 | Active |
| US8653428B2 | Solar-powered wireless communication module with daylight intensity measurement | Electricity | 1 | Active |
| US7545102B2 | Single-stage electronic ballast device | Emerging Cross-Sectional Technologies | 1 | Active |
| US9343956B2 | Passive power factor correction circuit, electronic device applying the same and operation methods thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US9041293B2 | Lamp control system, lamp power-saving system and method therefor | Electricity | 0 | Active |
| US8749165B2 | Light source driving device including a switching current adjustment circuit | Electricity | 0 | Active |
| US8878459B2 | Method for identifying rated power of HID lamp | Physics | 0 | Active |
| US9048750B2 | Active buck power factor correction device | Emerging Cross-Sectional Technologies | 0 | Active |
| US8901900B2 | Buck power factor correction system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10986715B1 | LED driving circuit and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US9549444B2 | Dimming system and operating method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US12137502B2 | Linear driving module | Electricity | 0 | Active |
| US9190904B2 | DC conversion circuit | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.