Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10915015 | EUV mask blank, photomask manufactured by using the EUV mask blank, lithography apparatus using the photomask and method of fabricating semiconductor device using the photomask | Ho Yeon Kim, Seong-sue Kim | 2021-02-09 |
| 7808588 | Display substrate comprising reflective patterns having a lens shape, method of manufacturing the same, and display apparatus having the same | Sung-Hwan Cho, Jae-Hyun Kim, Bong-Sun Seo | 2010-10-05 |