Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9964360 | Method of manufacturing a slag discharge door | Hae-Yang Lee, Jin-Ill Hwang | 2018-05-08 |
| 9664444 | Slag discharge door device for an electric furnace | Jin-Ill Hwang | 2017-05-30 |
| 9512497 | Method for reducing slag | Dong-Kyung Shin, Byung-Don You, Seong-Woong Joo, Seong-Hun Hong, Jin-Ill Hwang | 2016-12-06 |
| 9469885 | Method for recovering valuable metals from slag and apparatus for manufacturing multifunctional aggregate | — | 2016-10-18 |
| 9375891 | Scrap compactor and apparatus for manufacturing same | — | 2016-06-28 |
| 9139889 | Apparatus for atomizing molten slag and recovering valuable metal | Joon Ho Lee, Jin-Ill Hwang | 2015-09-22 |
| 8116836 | Transportation information using communication network and method thereof | — | 2012-02-14 |
| 7499714 | Transportation information using communication network and method thereof | — | 2009-03-03 |