Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10840821 | Modular multi-level converter | Jun Chol Lee, Joo Yeon Lee | 2020-11-17 |
| 10619861 | Cooking device and method for preventing cooking device from overheating | Chang Hyun Son, Sung Soo Park, Yo-jin Seo, Se Min Lee | 2020-04-14 |