Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12046406 | Planar transformer including y-capacitor | Junkyu LEE, Heung Gyoon Choi, Dongkyun Ryu | 2024-07-23 |
| 11783989 | Transformer | Eun Sik Kim, Jun Kyu Lee, Dong Kyun Ryu, Sang Keun Ji, Taeksoo HAN +1 more | 2023-10-10 |