Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668893 | Catalysts for NOx reduction employing H2 and a method of reducing NOx | Hyun-sik Han, Eun-seok Kim, Se-Min Park, Yun-Je Lee | 2014-03-11 |
| 7740818 | Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction | Hyun-sik Han, Young-san Yoo, Gi Won Park | 2010-06-22 |
| 6410098 | Process for preparing copper-film-plated steel cord for vehicle tire | Pyong Lee Cho, Gyung Soo Jeon, Seung Kyun Ryu | 2002-06-25 |
| 6391256 | Dissolved oxygen removal method using activated carbon fiber and apparatus thereof | Jeon Soo Moon, Kwang Kyu Park, Hae Ran Song | 2002-05-21 |