Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488730 | Polishing composition | Kil Sung Lee, Jae Seok Lee, Young Ki Lee, Tu Won Chang | 2002-12-03 |
| 6447694 | Composition for chemical mechanical polishing | Kil Sung Lee, Jae Seok Lee, Tu Won Chang | 2002-09-10 |
| 6364919 | Process for preparing metal oxide slurries suitable for the chemical mechanical polishing of semiconductors | Kil Sung Lee, Jae Seok Lee, Tu Won Chang | 2002-04-02 |