Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750297 | Artificial pigment and method for preparing the same | Seung Uk Yeu, Chang Sun Han, Wan-Sik Cha | 2004-06-15 |
HC
Ho-Yeul Choi
Overall (2004): #207,142 of 270,089Top 80%
1
Patents 2004