Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203703 | Polishing slurry and method of polishing substrate by using the polishing slurry | Hyunjin Cho, Joonhwa Bae, Byoungkwon Choo, Woojin Cho | 2021-12-21 |
| 11183500 | Semiconductor memory device and method of manufacturing the same | Hoju Song, Seokhyun Kim, Youngjun Kim, Hyeran Lee, Bongsoo Kim +1 more | 2021-11-23 |