Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202086 | Vertical furnace for fabrication of fine artificial lightweight aggregates | Seung-Gu Kang, Ki-Gang Lee, Jung-Hwan Kim, Hyun Ju Lee | 2012-06-19 |
| 7597839 | Method for manufacturing artificial ultra-lightweight aggregate using raw sewage sludge | Ki-Gang Lee, Seung-Gu Kang, Jung-Hwan Kim, Young Ho JEONG | 2009-10-06 |