Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371484 | Photomask blank and method of fabricating a photomask from the same | Jeong Yun Lee, Jae Hee HWANG, Il-Yong Jang | 2008-05-13 |
| 6329294 | Method for removing photoresist mask used for etching of metal layer and other etching by-products | Tae Ryong Kim, Jae-Pil Kim, Jong Sik WON | 2001-12-11 |