Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815616 | Slit valve unit and film forming apparatus having the same | Sung Don Kwak, Choo-ho KIM, Won Soo JI | 2014-08-26 |
| 8809189 | Method of forming through-silicon via using laser ablation | Eui-Seok Kim, Soo Hyun Cho, Choo-ho KIM, Won Soo JI | 2014-08-19 |