Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11189572 | Maintaining height of alignment key in semiconductor devices | Kyung-Tae Lee, Seung-Hoon Choi, Min Chan Gwak, Sang Hyun Park | 2021-11-30 |
| 10910266 | Semiconductor device and method of manufacturing the same | Seung-Hoon Choi, Kwan Sik Kim, Dong Chan Kim, Il-young Yoon, Man Geun Cho | 2021-02-02 |