Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499465 | Exhaust gas purification system for vehicle | Hyokyung Lee | 2022-11-15 |
| 11465133 | High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same | Pyung Soon Kim, Young Jin Kim, Seung Chui Na, Seung Ho Oh, Young-san Yoo +1 more | 2022-10-11 |
| 11371407 | Co clean-up catalyst, after treatment system and after treatment method | Nahm Roh Joo, Changho Jung | 2022-06-28 |
| 11346765 | Accelerated outdoor exposure test equipment | Sun Woong Choi | 2022-05-31 |
| 11311858 | Catalyst for removing nitrogen oxides | Pyung Soon Kim, Hyunjoo Lee, Beom Sik Kim, Hojin Jeong, Junemin BAE | 2022-04-26 |
| 11305266 | Catalyst and manufacturing method thereof | Young Jin Kim, Pyung Soon Kim, Eunseok Kim, Yong Sul Kim | 2022-04-19 |