Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372649 | Method for forming multi-level metal interconnection | Min-Sub Han, Wan Soo Kim, Byoung-Ju Kang | 2002-04-16 |
| 5879839 | Photomask having a half-tone type phase shift material and chrome pattern on a transparent substrate | Woo Yung Jung | 1999-03-09 |