Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D937201 | Charger for vehicles driven electrically | Hewon Kihl, Sechang Park, Yongho Lee, Kyeongchul Cho | 2021-11-30 |
| D936741 | Digital signage | Chanwoo Park, Yongho Lee | 2021-11-23 |
| D918299 | Digital sign | Hongseok Kim, Joe Hyun, Yongho Lee | 2021-05-04 |