Deuk Hee Park
25Patents
5h-index
24Co-inventors
65Inventor score
Filing activity: Nov 12, 2003 → Jun 3, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7936038B2 | Photodiode cell structure of photodiode integrated circuit for optical pickup and method of manufacturing the same | Electricity | 33 | Active |
| US7817198B2 | Active pixel array of CMOS image sensor | Electricity | 23 | Active |
| US7235772B2 | Image sensor with anti-saturation function in pixel level | Electricity | 18 | Active |
| US9301353B2 | Light emitting diode driving apparatus | Electricity | 13 | Active |
| US7348533B2 | Unit pixel of CMOS image sensor | Electricity | 5 | Active |
| US8994281B2 | Light emitting diode driving apparatus | Electricity | 5 | Active |
| US8917025B2 | Light emitting diode driving apparatus | Emerging Cross-Sectional Technologies | 3 | Active |
| US7646181B2 | Control circuit of DC-DC converter | Emerging Cross-Sectional Technologies | 3 | Active |
| US9173265B2 | Light emitting diode driving apparatus and light emitting diode lighting apparatus | Electricity | 3 | Active |
| US7057423B2 | Current-voltage transforming circuit employing limiter circuit | Electricity | 2 | Expired |
| US8981658B2 | Apparatus for driving light emitting diode | Electricity | 1 | Active |
| US9287777B2 | Average current controller, average current control method and buck converter using the average current controller | Emerging Cross-Sectional Technologies | 1 | Active |
| US8975927B2 | Gate driver | Electricity | 1 | Active |
| US7348539B2 | Image sensor for semiconductor light-sensing device and image processing apparatus using the same | Electricity | 1 | Expired |
| US7209001B2 | Offset compensation circuit for a monitoring photodiode | Electricity | 1 | Expired |
| US8890431B2 | LED driving apparatus and method | Electricity | 0 | Active |
| US9083248B2 | PWM control circuit, flyback converter and method for controlling PWM | Emerging Cross-Sectional Technologies | 0 | Active |
| US8816589B2 | Light emitting diode driving apparatus | Electricity | 0 | Active |
| US8749147B2 | LED circuit | Electricity | 0 | Active |
| US9066399B2 | Illumination driving apparatus for light emitting diode and method thereof | Electricity | 0 | Active |
| US8975824B2 | PWM driving circuit and PWM driving method | Emerging Cross-Sectional Technologies | 0 | Active |
| US8796942B2 | LED circuit | Emerging Cross-Sectional Technologies | 0 | Active |
| US9780771B2 | Gate driving circuit including constant current sources, and switching apparatus and power supply apparatus having the same | Electricity | 0 | Active |
| US8779682B2 | Illumination driving apparatus | Electricity | 0 | Active |
| US9024531B2 | Apparatus for driving light emitting diode | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.