Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7417471 | Voltage comparator having hysteresis characteristics | Jung Chul Gong, Chang Woo Ha | 2008-08-26 |
| 7333541 | Variable square-wave drive device | Hyun Jin Kim, Hyoung Jun Jeon | 2008-02-19 |
| 7285922 | Driving apparatus for CCFL | Jung Chul Gong, Sang Cheol Shin, Chang Woo Ha | 2007-10-23 |
| 7282870 | Driving apparatus for CCFL | Jung Chul Gong | 2007-10-16 |
| 7271520 | Piezo actuator driving circuit | Chang Woo Ha | 2007-09-18 |
| 7135807 | Piezoelectric actuator drive system | Hyoung Jun Jeon, Hyun Jin Kim | 2006-11-14 |
| 6954364 | Backlight inverter for liquid crystal display panel with self-protection function | — | 2005-10-11 |
| 6930898 | Single-stage backlight inverter and method for driving the same | Hyoung Jun Jeon, Hyun Jin Kim | 2005-08-16 |
| 6864643 | Backlight inverter for liquid crystal display panel of asynchronous pulse width modulation driving type | Hyoung Jun Jeon, Hyun Jin Kim | 2005-03-08 |
| 6690591 | Single stage converter in LCD backlight inverter | — | 2004-02-10 |
| 6657838 | LCD backlight inverter | — | 2003-12-02 |
| 6445143 | Inverter for LCD backlight | — | 2002-09-03 |
| 5874847 | Charge pump circuit for controlling a pair of drive transistors | Yong Ho Kim | 1999-02-23 |
| 5721474 | Method and apparatus for preventing excessive current flow in a motor | Young-Sik Lee, Young-Ho Kim | 1998-02-24 |