Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125504 | Cold crucible structure | Hyun Jae Lee, Hyun Do Jung | 2021-09-21 |
| 9840755 | Refining device and refining method for titanium scraps and sponge titanium using deoxidising gas | Gang June Kim, Jae Yoon Lee | 2017-12-12 |
| 9352970 | Method for producing silicon for solar cells by metallurgical refining process | Tae U Yu, Dong Ho Park, Hyun Jin Koo, Gang June Kim, Eun Su Jang +1 more | 2016-05-31 |
| 8790584 | System for refining UMG Si using steam plasma torch | Je Sik Shin, Tae U Yu, Hyun Jin Koo, Dong Ho Park, Ho Moon Lee | 2014-07-29 |