Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677002 | Etching composition | Sang Won Bae, Yongsun Ko, Byoungho Kwon, Bo Yun Kim, Hongjin Kim +3 more | 2017-06-13 |
| 9165759 | Etching composition and method of manufacturing semiconductor device using the same | Sang Won Bae, Yongsun Ko, Byoungho Kwon, Bo Yun Kim, Hongjin Kim +3 more | 2015-10-20 |