Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664998 | Photomask blanks, photomasks fabricated using the same, and methods of fabricating photomask using the same | Kung Hoon Nam | 2017-05-30 |
| 7947414 | Method of fabricating halftone phase shift mask | — | 2011-05-24 |