Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638855 | Method of filling contact hole of semiconductor device | Kyu-hwan Chang, Chang-Lyong Song, Seung-pil Chong | 2003-10-28 |
YK
Yong-Sun Ko
Overall (2003): #86,737 of 273,478Top 35%
1
Patents 2003