Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137187 | Refrigerator | Donghoon Lee, Wookyong Lee, Heejun Lee, Seungseob Yeom | 2021-10-05 |
| 11029078 | Refrigerator | Heejun Lee, Dongjeong Kim, Seunguk Ahn | 2021-06-08 |
| 10927587 | Refrigerator | Heejun Lee, Dongjeong Kim | 2021-02-23 |