Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9788372 | Gate off delay compensation circuit and light apparatus having the same | Jong Hyun Yoon, Zhi Yuan Cui, Yong Gi Ryu | 2017-10-10 |
| 9692404 | Power factor correction controlling circuit and driving method thereof | Zhi Yuan Cui, In Ho Hwang, Young Gi Ryu, Jun Sik Min | 2017-06-27 |
| 9642197 | Circuit for compensating bipolar junction transistor base current and LED driving apparatus having the same | Jun Sik Min | 2017-05-02 |