Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371520 | Copolymer dispersant and dispersion using same | Kwang In KIM, Jin-Ju Eom, Chang Beom KIM, Se-Man Kwon, Si-Jin Song +2 more | 2025-07-29 |
| 9651894 | Developer cartridge and electrophotographic image forming apparatus including the same | Dong Uk Kim, Jong-In Kim, Ki Hyun Yoo, Woong-Yong Choi | 2017-05-16 |
| 8355649 | Developing device and image forming apparatus using the same | Jai-il Choi | 2013-01-15 |
| 7754158 | Filter assembly for air purifier | — | 2010-07-13 |