Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427505 | Catalyst for a dehydrogenation reaction, a manufacturing method thereof, and a hydrogen production method using same | Jin Woo Choung, Yongwoo Kim, Jihui Seo, Jaeyong Lee, Sungeun Moon +5 more | 2025-09-30 |
| 12372205 | Hydrogen storage and compression system | Jihye Park, Hanjin KIM, Jihui Seo, Jaeyong Lee, Ji Hoon Jang +8 more | 2025-07-29 |
| 12202726 | Dehydrogenation reaction device and system having the same | Jin Woo Choung, Jihui Seo, Suk Woo Nam, Young Suk Jo, Hyangsoo Jeong +3 more | 2025-01-21 |
| 11952345 | Method for preparing bipyridine | Jihui Seo, Jaeyong Lee, Jin Woo Choung, Yongwoo Kim, Ji Hoon Park +3 more | 2024-04-09 |
| 11826737 | High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same | Young Jin Kim, Chang Hwan Kim, Seung Chul Na, Seung Ho Oh, Young-san Yoo +1 more | 2023-11-28 |
| 11826750 | Dehydrogenation reaction apparatus | Yongwoo Kim, Jin Woo Choung, Jihui Seo, Jaeyong Lee, Yoondo Kim +6 more | 2023-11-28 |
| 11780729 | Method for generating hydrogen | Jin Woo Choung, Jihui Seo, Hyuntae Sohn, Yu Jin Lee, Hyangsoo Jeong +3 more | 2023-10-10 |
| 11594744 | Hybrid dehydrogenation reaction system | Jihui Seo, Jin Woo Choung, Suk Woo Nam, Hyangsoo Jeong, Yongmin Kim +2 more | 2023-02-28 |
| 11465133 | High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same | Young Jin Kim, Chang Hwan Kim, Seung Chui Na, Seung Ho Oh, Young-san Yoo +1 more | 2022-10-11 |
| 11311858 | Catalyst for removing nitrogen oxides | Chang Hwan Kim, Hyunjoo Lee, Beom Sik Kim, Hojin Jeong, Junemin BAE | 2022-04-26 |
| 11305266 | Catalyst and manufacturing method thereof | Young Jin Kim, Chang Hwan Kim, Eunseok Kim, Yong Sul Kim | 2022-04-19 |
| 10981153 | Catalyst and method for preparing catalyst | Suk Bong Hong, Donghui Jo, Taekyung Ryu, Gi Tae Park, In-Sik Nam +1 more | 2021-04-20 |
| 10799854 | Cu/LTA catalyst and exhaust system, and manufacturing method of cu/LTA catalyst | Chang Hwan Kim, Changho Jung | 2020-10-13 |
| 10518253 | Catalyst and method for preparing catalyst | Suk Bong Hong, Donghui Jo, Taekyung Ryu, Gi Tae Park, In-Sik Nam +1 more | 2019-12-31 |
| 10465580 | Exhaust system and control method of nitrogen oxide desorption | Changho Jung | 2019-11-05 |
| 10343925 | Method for preparing zeolite catalyst | Suk Bong Hong, Donghui Jo, Taekyung Ryu, Gi Tae Park, In-Sik Nam +1 more | 2019-07-09 |
| 10253673 | Apparatus for purifying exhaust gas | Changho Jung | 2019-04-09 |
| 10180097 | Regeneration method for purifying exhaust gas | Changho Jung | 2019-01-15 |
| 10112185 | Catalyst and manufacturing method of catalyst | Chang Hwan Kim, Suk Bong Hong, Taekyung Ryu, Jeong-Hwan Lee, In-Sik Nam +1 more | 2018-10-30 |
| 10054018 | Catalyzed particulate filter | Chang Hwan Kim, Chun Yong Kang, Changho Jung | 2018-08-21 |
| 10041391 | Apparatus for purifying exhaust gas | Changho Jung | 2018-08-07 |
| 10041390 | Catalyzed particulate filter | Changho Jung | 2018-08-07 |
| 9962653 | Catalyzed particulate filter | Chang Ho Jung, Chang Hwan Kim | 2018-05-08 |
| 9795947 | Method of preparation of perovskite catalyst | Jin Woo Choung | 2017-10-24 |
| 8911698 | Supported catalyst for removing nitrogen oxides, method of preparing the same, and removing method of nitrogen oxides using the same | Jin Woo Choung, In-Sik Nam, Mun Kyu Kim, Byong K. Cho | 2014-12-16 |