Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11457374 | Hub device with diagnostic function and diagnostic method using the same | Koonseok Lee, Sangjin Park, Won-Chul Choi | 2022-09-27 |
| 11356868 | Device and system for managing service device with communication module | Sangjin Park, Haesoo Lee | 2022-06-07 |