Inventor
NA SEUNG CHUL
KR9 patents
⚠️ This page may combine multiple inventors who share the name “NA SEUNG CHUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEESUNG CATALYSTS CORP
7 patentsUS10889503B2Jan 12, 2021
Zeolite having specific ratio of divalent copper ions supported thereon, and preparation method therefor and catalyst composition comprising same
HEESUNG CATALYSTS CORP0 citations60
US12097483B2Sep 24, 2024
Exhaust gas-purification catalyst having multi-layer structure including precious metal thin layer as top layer, and method for producing same
HEESUNG CATALYSTS CORP0 citations57
US11135572B2Oct 5, 2021
Three-way catalyst comprising Pd—Rh alloy
HEESUNG CATALYSTS CORP0 citations53
US9931615B2Apr 3, 2018
Exhaust gas oxidation catalyst for compressed natural gas combustion system
HEESUNG CATALYSTS CORP1 citations50
US12280366B2Apr 22, 2025
Method for coating exhaust gas purification catalyst filter with fixed amount of catalyst slurry
HEESUNG CATALYSTS CORP0 citations49
US9675949B2Jun 13, 2017
Quantitative catalyst supply device
HEESUNG CATALYSTS CORP1 citations49
US9321033B2Apr 26, 2016
Process for thermal fixation of catalytically active component onto alumina support
HEESUNG CATALYSTS CORP0 citations49