Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11017912 | X-ray shutter apparatus and X-ray shutter opening and closing system using the same | Hyo Yun Kim, Hee-Seob Kim, Dong Tak Jeong, Sang Sul Lee, Jong Hyun Kim | 2021-05-25 |