Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10444619 | Mask blank and phase shift mask using same | Hye-Kyoung Lee, Il-Yong Jang, Byung-Gook Kim | 2019-10-15 |
HS
Hwan-Seok Seo
Overall (2019): #438,997 of 560,194Top 80%
1
Patents 2019