Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141781 | Roller assembly, casting apparatus, and roller separating method for same | Kyung Shik OH, Joo-Dong Lee, Ki Hwan Joung | 2021-10-12 |
| 10913109 | Vertical semi-continuous casting equipment and vertical semi-continuous casting method | Kyung Shik OH, Joo-Dong Lee, Ki Hwan Joung, Un-Kwan Cho | 2021-02-09 |