Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8755198 | Modular control and driving device and high voltage power supply having the same for image forming apparatus | Jong-hwa Cho | 2014-06-17 |
| 8278885 | Switching power source apparatus and control method thereof | Jong-moon Choi, Jee-hoon Jung | 2012-10-02 |
| 8030906 | Switching power source apparatus and control method thereof | Jong-moon Choi, Jee-hoon Jung | 2011-10-04 |