Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135640 | Press-type composite internally and externally threaded portion forming system for manufacture of drum bungs | — | 2021-10-05 |
| 10996711 | Display device and electronic apparatus having the same | Young-Rok Oh, Minsu Jung, Byung Jin Park | 2021-05-04 |