Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461785 | Composition for positive photoresist | Jin-Ho Ju, Yu-Kyung Lee, Hong-sik Park, Ki-Soo Kim, Sung-Chul Kang | 2002-10-08 |
| 6447975 | Composition for positive type photoresist | Jin-Ho Ju, Yu-Kyung Lee, Hong-sik Park, Ki-Soo Kim, Sung-Chul Kang | 2002-09-10 |
| 6338930 | Positive photoresist layer and a method for using the same | Jin-Ho Ju, Yu-Kyung Lee, Hong-sik Park, Ki-Soo Kim, Sung-Chul Kang | 2002-01-15 |