Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9992845 | LED driver circuit and light apparatus having the same in | Hyun Jung Kim | 2018-06-05 |
| 9887618 | Power supply device sensing AC-off state | Zhi Yuan Cui, James Jung, Hae Wook Kim, Julie Jang | 2018-02-06 |
| 9887621 | Power factor correction circuit and method for correcting power factor, converter device thereof | Zhi Yuan Cui, In Ho Hwang, Sang Hoon Jeong, Gyu Ho LIM | 2018-02-06 |