Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11031859 | Device for stabilizing direct current (DC) distribution system | Mun Seok Seo, Seongju Kim | 2021-06-08 |
| 10951029 | Power source input device for both ac and dc power sources | Kyung Min Kim | 2021-03-16 |