Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9887618 | Power supply device sensing AC-off state | Zhi Yuan Cui, James Jung, Young Gi Ryu, Julie Jang | 2018-02-06 |
| 9510414 | Light emitting diode driving circuit and lighting apparatus having the same | Brent Rowe, Hyun Jung Kim, Paul Greenland, Seung Hwan Lee | 2016-11-29 |
| 9502975 | Switch control circuit, switch control method and converter using the same | Doo Soo Shin, Youn Ggi Ryu, Zhi Yuan Cui, In Ho Hwang | 2016-11-22 |
| 9438121 | Power converter for reducing standby power consumption | Zhi Yuan Cui, Young Gi Ryu, James Jung, Julie Jang | 2016-09-06 |