Inventor · disambiguated record
Seung Chul Na
Also filed as: NA SEUNG CHUL
9 granted patents·4 pending applications·3 citations·filing 2011–2021
77Inventor score
Top patents by PatentIndex Score
13 records- 0177US11826737B2High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using sameHYUNDAI MOTOR CO LTD·Filed 2021·Granted Nov 28, 2023·0 cites·13 claims
- 0267US10220380B2Apparatus and method for quantitatively coating catalyst supportHAN HYUN SIK·Filed 2012·Granted Mar 5, 2019·1 cites·4 claims
- 0366US2019143314A1Apparatus and method for quantitatively coating catalyst supportHEESUNG CATALYSTS CORP·Filed 2019·Application pending·0 cites
- 0464US9931615B2Exhaust gas oxidation catalyst for compressed natural gas combustion systemHEESUNG CATALYSTS CORP·Filed 2014·Granted Apr 3, 2018·1 cites·10 claims
- 0559US12097483B2Exhaust gas-purification catalyst having multi-layer structure including precious metal thin layer as top layer, and method for producing sameHEESUNG CATALYSTS CORP·Filed 2020·Granted Sep 24, 2024·0 cites·6 claims
- 0659US10889503B2Zeolite having specific ratio of divalent copper ions supported thereon, and preparation method therefor and catalyst composition comprising sameHEESUNG CATALYSTS CORP·Filed 2017·Granted Jan 12, 2021·0 cites·7 claims
- 0758US9675949B2Quantitative catalyst supply deviceHEESUNG CATALYSTS CORP·Filed 2014·Granted Jun 13, 2017·1 cites·2 claims
- 0856US2014363578A1Apparatus and method for quantitatively coating catalyst supportHAN HYUN SIK·Filed 2011·Application pending·0 cites
- 0950US9321033B2Process for thermal fixation of catalytically active component onto alumina supportHEESUNG CATALYSTS CORP·Filed 2013·Granted Apr 26, 2016·0 cites·8 claims
- 1046US11135572B2Three-way catalyst comprising Pd—Rh alloyHEESUNG CATALYSTS CORP·Filed 2016·Granted Oct 5, 2021·0 cites·5 claims
- 1141US2021379568A1Method for producing high-efficiency dehydrogenation catalyst for branched light hydrocarbonsHEESUNG CATALYSTS CORP·Filed 2019·Application pending·0 cites
- 1239US12280366B2Method for coating exhaust gas purification catalyst filter with fixed amount of catalyst slurryHEESUNG CATALYSTS CORP·Filed 2020·Granted Apr 22, 2025·0 cites·5 claims
- 1337US2017051649A1Method for regenerating catalyst for oxidizing compressed natural gas vehicle exhaust gasHEESUNG CATALYSTS CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →