Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9964360 | Method of manufacturing a slag discharge door | Joon-Seong Ki, Hae-Yang Lee | 2018-05-08 |
| 9664444 | Slag discharge door device for an electric furnace | Joon-Seong Ki | 2017-05-30 |
| 9512497 | Method for reducing slag | Joon-Seong Ki, Dong-Kyung Shin, Byung-Don You, Seong-Woong Joo, Seong-Hun Hong | 2016-12-06 |
| 9139889 | Apparatus for atomizing molten slag and recovering valuable metal | Joon-Seong Ki, Joon Ho Lee | 2015-09-22 |