Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6090170 | Multihydroxypolyalkenyl-substituted amine compounds and fuel composition comprising the same | Hyun-Ki Yun, Jung Jin Kim, Yong-hwa Yeom, Il-seung Kim, Myeong-Seog Kim +1 more | 2000-07-18 |
| 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 |