Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399552 | Aqueous cleaning solution for removing contaminants surface of circuit substrate cleaning method using the same | Kwang-Wook Lee, Kun-Tack Lee, Chang-Lyong Song | 2002-06-04 |
| 6369008 | Cleaning solutions for removing contaminants from the surfaces of semiconductor substrates and cleaning methods using the same | Heon-jae Ha, Dae-Hyuk Chung, In-Seak Hwang | 2002-04-09 |