Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366084 | Rotation type national flag hoisting pole to minimize rainwater adhesion area of national flag | — | 2025-07-22 |
| 10755899 | Substrate treating apparatus | Sun Rae Kim, Sung-Hwan Hong | 2020-08-25 |