Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691263 | Amorphous perovskite catalysts for nitrogen oxide reduction and methods of preparing the same | Sang Un Park, Kyung Mi Kim, Jong San Jang, Jong Hae Lee | 1997-11-25 |
| 5689464 | Column repair circuit for integrated circuits | Jong Seuk Lee, Seung Min KIM, Jae-Hyeoung Kim | 1997-11-18 |