Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552068 | 3-ethyl-, 3-propyl- or 3-butyl-chroman and thiochroman derivatives | JaeChon Jo, SungOh Ahn, Jaeyoung Choi, Kazumi Morikawa, Yoshitake Kanbe +2 more | 2003-04-22 |
| 6552069 | 3-methyl-chroman and -thiochroman derivatives | JaeChon Jo, YoungJun Na, HongIl Heo, Kazumi Morikawa, Yoshitake Kanbe +2 more | 2003-04-22 |