Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431274 | Base and transformer device including the same | Chang Yong Kwon, Yun Sic BANG | 2025-09-30 |
| 12424379 | Transformer and power supplying device including the same | Chang Yong Kwon, Yun Sic BANG, Sang Keun Ji | 2025-09-23 |
| 12334694 | Electric appliance and adapter | Young Jun Jang, Hyun-Su Kim, Jun Kyu Lee, Pill Ju Kim, Sang Keun Ji | 2025-06-17 |