Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12303871 | Catalyst for removing saturated hydrocarbon | Hyokyung Lee, Seunghyo Noh | 2025-05-20 |
| 11872541 | Method for improving resistance to sulfur-poisoning through structural transformation of nano-ceria supported on alumina | Hyunjoo Lee, Beom Sik Kim | 2024-01-16 |
| 10376871 | Device for purifying exhaust gas | Hyokyung Lee | 2019-08-13 |
| 10077725 | Apparatus and method for purifying exhaust gas | — | 2018-09-18 |
| 8940659 | Gas purifying catalyst for internal combustion engine | Cheol Beom Lim, Jin Woo Choung, Youngil Song | 2015-01-27 |