Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555571 | 3-methyl -chromane or thiochromane derivatives | KooHyeon Ahn, JuSu Kim, PilSu Ho, Kazumi Morikawa, Yoshitake Kanbe +2 more | 2003-04-29 |
| 6552068 | 3-ethyl-, 3-propyl- or 3-butyl-chroman and thiochroman derivatives | Jongmin Kim, SungOh Ahn, Jaeyoung Choi, Kazumi Morikawa, Yoshitake Kanbe +2 more | 2003-04-22 |
| 6552069 | 3-methyl-chroman and -thiochroman derivatives | YoungJun Na, HongIl Heo, Jongmin Kim, Kazumi Morikawa, Yoshitake Kanbe +2 more | 2003-04-22 |