Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700626 | Method for forming multi-layer resist pattern | Jun Seok Lee, Young Jin SONG | 1997-12-23 |
| 5437947 | Phase shifting mask and method of manufacturing the same | Jun Seok Lee | 1995-08-01 |
| 5272102 | Method of making semiconductor memory device and memory cells therefor | Jae Seung Jeong | 1993-12-21 |