Inventor · disambiguated record
Do Woan Kim
Also filed as: KIM DO WOAN
19 granted patents·8 pending applications·90 citations·filing 1998–2024
92Inventor score
Top patents by PatentIndex Score
27 records- 0193US8962900B2Method for producing valuable aromatics and light paraffins from hydrocarbonaceous oils derived from oil, coal or woodKIM HONG CHAN·Filed 2011·Granted Feb 24, 2015·16 cites·22 claims
- 0290US9127215B2Method for reducing the amount of organic acids in a hydrocarbon oil fractionCHOI JIN KYU·Filed 2012·Granted Sep 8, 2015·28 cites·13 claims
- 0388US11873456B2Process of producing high-quality lube base oil by using refined oil fraction of waste lubricantSK INNOVATION CO LTD·Filed 2022·Granted Jan 16, 2024·1 cites·15 claims
- 0487US8585889B2Process for manufacturing high quality naphthenic base oilsKIM CHANG KUK·Filed 2008·Granted Nov 19, 2013·10 cites·15 claims
- 0586US12227705B2Process of producing high-quality lube base oil by using refined oil fraction of waste lubricantSK INNOVATION CO LTD·Filed 2023·Granted Feb 18, 2025·0 cites·14 claims
- 0684US9283553B2Hydrocracking catalyst for preparing valuable light aromatic hydrocarbons from polycyclic aromatic hydrocarbonsKIM DO WOAN·Filed 2011·Granted Mar 15, 2016·5 cites·11 claims
- 0784US8911613B2Method of simultaneously manufacturing high quality naphthenic base oil and heavy base oilNOH KYUNG SEOK·Filed 2010·Granted Dec 16, 2014·7 cites·8 claims
- 0880US9782760B2Method of preparing an activated EU-2 zeoliteSK INNOVATION CO LTD·Filed 2017·Granted Oct 10, 2017·1 cites·9 claims
- 0979US9687828B2Activated EU-2 zeolite and use thereofSK INNOVATION CO LTD·Filed 2014·Granted Jun 27, 2017·2 cites·4 claims
- 1078US8912377B2Method for producing high value aromatics and olefin from light cycle oil produced by a fluidized catalytic cracking processKIM CHEOL JOONG·Filed 2009·Granted Dec 16, 2014·11 cites·8 claims
- 1177US10544374B2Process for reducing haze in heavy base oil and hydroisomerization catalyst system having reduced hazeSK INNOVATION CO LTD·Filed 2017·Granted Jan 28, 2020·1 cites·16 claims
- 1270US10155219B2Catalyst containing metal cluster in structurally collapsed zeolite, and use thereofSK INNOVATION CO LTD·Filed 2014·Granted Dec 18, 2018·1 cites·8 claims
- 1368US8834706B2Method for preparing lubricating base oils by using vacuum distilled deasphalted oilNOH KYUNG SEOK·Filed 2011·Granted Sep 16, 2014·2 cites·11 claims
- 1467US8980082B2Method of simultaneously removing sulfur and mercury from hydrocarbon material using catalyst by means of hydrotreating reactionKIM DO KYOUNG·Filed 2012·Granted Mar 17, 2015·3 cites·12 claims
- 1563US10406510B2Catalyst containing metal cluster in structurally collapsed zeolite, and use thereofSK INNOVATION CO LTD·Filed 2018·Granted Sep 10, 2019·0 cites·13 claims
- 1663US2024343983A1Method of preparing lube base oilSK INNOVATION CO LTD·Filed 2024·Application pending·0 cites
- 1761US10385277B2Catalyst for producing hydrogenated biodiesel and method of producing the sameSK INNOVATION CO LTD·Filed 2016·Granted Aug 20, 2019·0 cites·14 claims
- 1860US2024336824A1Coolant composition, equipment containing same, and method of cooling equipment using sameSK INNOVATION CO LTD·Filed 2024·Application pending·0 cites
- 1958US2018154343A1Hydroprocessing catalyst and method for preparing sameSK INNOVATION CO LTD·Filed 2018·Application pending·0 cites
- 2054US2016339416A1Hydroprocessing catalyst and method for preparing sameSK INNOVATION CO LTD·Filed 2016·Application pending·0 cites
- 2149US8506892B2Exhaust gas purifying device for diesel engineKIM YONG-WOO·Filed 2006·Granted Aug 13, 2013·1 cites·9 claims
- 2246US9550947B2Hydrocracking process of heavy hydrocarbon distillates using supercritical solventRYU JAE WOOK·Filed 2011·Granted Jan 24, 2017·0 cites·15 claims
- 2346US2012323056A1Catalyst for producing hydrogenated biodiesel and method of producing the sameLEE SANG IL·Filed 2010·Application pending·0 cites
- 2441US2014179967A1Method of producing aromatic hydrocarbons from byproducts of aromatic carboxylic acid and/or aromatic carboxylic acid alkylester preparation processesLEE SANG IL·Filed 2012·Application pending·0 cites
- 2540US2014150332A1Metal phosphorus compound for preparing biodiesel and method for preparing biodiesel using the sameLEE SANG IL·Filed 2010·Application pending·0 cites
- 2639US2013267409A1Hydroprocessing catalyst and method for preparing sameLEE SANG IL·Filed 2011·Application pending·0 cites
- 2731US5968228AProcess for preparing cobalt metals using nitrogen reductantKOREA ADVANCED INST SCI & TECH·Filed 1998·Granted Oct 19, 1999·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →