Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11110391 | System for simultaneously removing nitrogen oxides (NOx) and sulfur oxides (SOx) from exhaust gas | Ho Yong Jo, Ja Hyung Koo, In Gab Chang | 2021-09-07 |
| 11080891 | Method and system for detecting dangerous situation | Joo Young Kim, Do-jun Yang, Hyun Woo Lee, Jong Hee Han | 2021-08-03 |
| 11065576 | Wet flue gas desulfurization apparatus | In Gab Chang, Ja Hyung Koo, Sang Gun Na | 2021-07-20 |
| D913680 | Medicine storage case | — | 2021-03-23 |