Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9352303 | Mixed metal oxide catalyst for decomposition of nitrogen oxides | Kil Sang Chang, Xiaoshan Peng, Seo-Young Park, A Reum Han | 2016-05-31 |
| 8512662 | Method for adsorbing and decomposing lean nitrogen oxide using a mixed metal oxide catalyst | Kil Sang Chang, Xiaoshan Peng | 2013-08-20 |
| 7450526 | Configuring direction-based core based tree (CBT) for CBT-based overlay multicast | — | 2008-11-11 |
| 6194707 | Automatic laser shutdown method and apparatus in optical transmission system | — | 2001-02-27 |