Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7414068 | Benzopyran derivatives substituted with secondary amines including tetrazole, method for the preparation thereof and pharmaceutical compositions containing them | Hong Lim, Dong Ha Lee, Sun Ok Kim, In Young Choi, Sung-Eun Yoo +6 more | 2008-08-19 |
| 6413983 | Benzopyranyl heterocycle derivatives, process for preparation thereof, and pharmaceutical compositions containing them | Sung-Eun Yoo, Sun Kyung Lee, Kyu Yang Yi, Nak Jeong Kim, Jee Hee Suh +8 more | 2002-07-02 |
| 6323238 | Benzopyranyl guanidine derivatives, process for preparation thereof, and pharmaceutical compositions containing them | Sung-Eun Yoo, Kyu Yang Yi, Sun Kyung Lee, Nak Jeong Kim, Jee Hee Suh +9 more | 2001-11-27 |
| 5493029 | Certain pyridyl-benzopyran derivatives | Sung-Eun Yoo, Kyu Yang Yi, Nak C. Jeong, Jee Hee Suh, Seon-Ju Kim +2 more | 1996-02-20 |
| 5300511 | Spiro-benzopyran derivatives and useful for treating asthma and hypertension | Sung-Eun Yoo, Kyu Yang Yi, Nak C. Jeong, Jee Hee Suh, Seon-Ju Kim +2 more | 1994-04-05 |
| 5236935 | Benzopyran derivatives and processes for the preparation thereof | Sung-Eun Yoo, Kyu Yang Yi, Nak C. Jeong, Jee Hee Suh, Seon-Ju Kim +2 more | 1993-08-17 |