Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192300 | System for and method of manufacturing three-dimensional structure | Ji-Young OH, Kyung-Hyun Kim, Kyu-Sung Lee | 2021-12-07 |
| 11110540 | Extruder for metal material and 3D printer using the same | Hong Hyun Shin, Bonjin KOO, In-Kyu You, Sunghoon HONG | 2021-09-07 |
| 11106965 | Radio frequency identification tag and manufacturing method thereof | Sunghoon HONG, Woo Seok Yang | 2021-08-31 |