Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9532755 | X-ray computed tomographic imaging apparatus and method for same | Sung Il Choi | 2017-01-03 |
| 8634621 | Method and apparatus for obtaining panoramic images | Seong-II Choi | 2014-01-21 |
| 7995704 | Panoramic x-ray photographing apparatus and method for photographing using the same | Chang Joon Ro, Tae Woo Kim, Sung Il Choi | 2011-08-09 |