Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280366 | Method for coating exhaust gas purification catalyst filter with fixed amount of catalyst slurry | Byung-Suk Kim, Sang Yun Han | 2025-04-22 |
| 12097483 | Exhaust gas-purification catalyst having multi-layer structure including precious metal thin layer as top layer, and method for producing same | Do-kyun Lee, Sang Yun Han | 2024-09-24 |
| 11826737 | High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same | Pyung Soon Kim, Young Jin Kim, Chang Hwan Kim, Seung Ho Oh, Young-san Yoo +1 more | 2023-11-28 |
| 11135572 | Three-way catalyst comprising Pd—Rh alloy | Hyun-sik Han, Jin-Woo Song, Narayana Rao Komateedi, Kwi-Yeon Lee | 2021-10-05 |
| 10889503 | Zeolite having specific ratio of divalent copper ions supported thereon, and preparation method therefor and catalyst composition comprising same | Mi Young Kim, Jin Won Kim, Yong Sul Kim, Eun-seok Kim, Hyun-sik Han | 2021-01-12 |
| 10220380 | Apparatus and method for quantitatively coating catalyst support | Hyun-sik Han, Sang Yun Han | 2019-03-05 |
| 9931615 | Exhaust gas oxidation catalyst for compressed natural gas combustion system | Hyun-sik Han, Eun-seok Kim, Joon Woo Kim | 2018-04-03 |
| 9675949 | Quantitative catalyst supply device | Sang Yun Han, Hyun-sik Han | 2017-06-13 |
| 9321033 | Process for thermal fixation of catalytically active component onto alumina support | Hyun-sik Han, Sang Yun Han | 2016-04-26 |