Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828079 | Chemical amplification type positive resist composition | Masumi Suetsugu, Yasunori Uetani | 2004-12-07 |
| 6689531 | Resist composition | Sang Tae Kim, Seung Jin Kang, Shi-Jin Sung, Masumi Suetsugu | 2004-02-10 |