Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11738220 | Mask device | Youngjun Kim, Haeyoong Chung | 2023-08-29 |
| 11666787 | Mask apparatus | Youngjun Kim, Haeyoong Chung | 2023-06-06 |
| 11617806 | Mask storage apparatus | Youngjun Kim | 2023-04-04 |
| 11376449 | Mask device | Youngjun Kim, Haeyoong Chung | 2022-07-05 |