Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9722556 | RF transformer for differential amplifier | Chang Kun Park | 2017-08-01 |
| 9685908 | Variable capacitor used in integrated circuit of differential structure | Ga Yeon Ko, Chang Kun Park | 2017-06-20 |
| 9374035 | Oscillator with differential structure | Chang Kun Park | 2016-06-21 |