Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670458 | Process for preparation of L-ribose using 1,4-lactone | Sang-Jo Lee, Myung Seo, Gun Cheol Kim, Hyun Woung Hong, Sul A Kim | 2003-12-30 |
| 6448415 | Chirality conversion method in lactone sugar compounds | Sang-Jo Lee, Myung Seo, Gun Cheol Kim, Hyun Woung Hong, Sul A Kim | 2002-09-10 |
| 5493029 | Certain pyridyl-benzopyran derivatives | Sung-Eun Yoo, Kyu Yang Yi, Jee Hee Suh, Seon-Ju Kim, Hwa-Sup Shin +2 more | 1996-02-20 |
| 5300511 | Spiro-benzopyran derivatives and useful for treating asthma and hypertension | Sung-Eun Yoo, Kyu Yang Yi, Jee Hee Suh, Seon-Ju Kim, Hwa-Sup Shin +2 more | 1994-04-05 |
| 5236935 | Benzopyran derivatives and processes for the preparation thereof | Sung-Eun Yoo, Kyu Yang Yi, Jee Hee Suh, Seon-Ju Kim, Hwa-Sup Shin +2 more | 1993-08-17 |