Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11456140 | Earth leakage breaker and method for controlling earth leakage breaker | Sunggyu Nam | 2022-09-27 |
| 10523184 | Oscillator, method of operating the same, and PWM controller including the same | Wookang Jin, Sungwon Yun | 2019-12-31 |