Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340625 | Method for simultaneously forming thinner and thicker parts of a dual oxide layer having varying thicknesses | Sang-Kook Choi, Kyung Hawn Cho, Chung Hwan Kwon | 2002-01-22 |
| 6207588 | Method for simultaneously forming thinner and thicker parts of a dual oxide layer having varying thicknesses | Sang-Kook Choi, Kyung Hawn Cho, Chung Hwan Kwon | 2001-03-27 |