Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9553282 | Organic light emitting diode | Jae-ha Park | 2017-01-24 |
| 6784133 | Method for preparing catalyst for olefin polymerization | Il-Seop Kim, Ki-Su Ro | 2004-08-31 |
| 6559250 | Method of homo- or co-polymerization of &agr;-olefin | Ki-Su Ro, Il-Seop Kim, Chun-Byung Yang | 2003-05-06 |
| 6506356 | Catalyst for oxidizing hydrogen sulfide gas and method for recovering elemental sulfur using the same | Jong Shik Chung | 2003-01-14 |