Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885240 | Amplifying circuit with variable load drivability | — | 2005-04-26 |
| 6563364 | Gain controller using switched capacitors | Jin Kuk Lee, Dong-Young Chang, Geun Kang, Seung-Hoon Lee | 2003-05-13 |
| 6388500 | Gain controller using switched capacitors | Jin Kuk Lee, Dong-Young Chang, Geun Kang, Seung-Hoon Lee | 2002-05-14 |