Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12043172 | Lighting system and control method using fluid | Sang Shin Lee, Han-Na Cho, Ji Hyun Song, Kyung Chan Lee | 2024-07-23 |
| 11505093 | Swing seat unit | Ji Hyun Song, Ran Jeong Park, Seung Chan JO | 2022-11-22 |