Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420447 | Nozzle of auto-agitating type 3D printer for construction | Ho Sung Na, Dong Hyun Kim, Hyung Woo In, Hye Jin Ryu | 2025-09-23 |
| 12134206 | Nozzle of auto-agitating type 3D printer for construction | Ho Sung Na, Dong Hyun Kim, Hyung Woo In, Hye Jin Ryu | 2024-11-05 |
| 12005604 | Nozzle of reinforcing material co-printing type 3D printer for construction | Ho Sung Na, Dong Hyun Kim, Hyung Woo In, Hye Jin Ryu | 2024-06-11 |