Inventor · disambiguated record
Youn Kyu Yi
Also filed as: YI YOUN KYU
9 granted patents·2 pending applications·2 citations·filing 2019–2023
75Inventor score
Top patents by PatentIndex Score
11 records- 0180US11203531B2Method for inhibiting extractant degradation of DSX process through manganese extraction controlKOREA RESOURCES CORP·Filed 2019·Granted Dec 21, 2021·1 cites·7 claims
- 0275US11169127B2Method for measuring the concentration of aliphatic hydroxy oxime and neodecanoic acid by gas chromatographyKOREA RESOURCES CORP·Filed 2019·Granted Nov 9, 2021·1 cites·4 claims
- 0367US11254584B2Method for inhibiting extractant degradation of DSX process through metal extraction controlKOREA RESOURCES CORP·Filed 2019·Granted Feb 22, 2022·0 cites·6 claims
- 0464US2025270672A1Method for recovering precursor metal for secondary cell cathode material using synergistic solvent extraction applied with extractant degradation preventing technologyCIS CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 0556US11359258B2Method of inhibiting degradation of DSX extractant by auxiliary meansKOREA RESOURCES CORP·Filed 2019·Granted Jun 14, 2022·0 cites·6 claims
- 0656US2025183398A1Method using solvent extraction for selective recovery of valuable metal from lithium secondary battery waste materialUNIV NAT CHONNAM IND FOUND·Filed 2022·Application pending·0 cites
- 0754US10753879B1Method for measuring bis(2,4,4-trimethylpentyl) phosphinic acid concentration by ICP-OESKOREA RESOURCES CORP·Filed 2019·Granted Aug 25, 2020·0 cites·12 claims
- 0851US11274047B2Method of inhibiting extractant degradation by controlling extractive capacity and preventing direct degradationKOREA RESOURCES CORP·Filed 2019·Granted Mar 15, 2022·0 cites·6 claims
- 0950US11168003B2Method for inhibiting extractant degradation by diluent and extractant input methodKOREA RESOURCES CORP·Filed 2019·Granted Nov 9, 2021·0 cites·5 claims
- 1048US11186492B2Method for recovering valuable metal sulfidesKOREA RESOURCES CORP·Filed 2019·Granted Nov 30, 2021·0 cites·15 claims
- 1144US11359260B2Method of inhibiting degradation of extractant by anhydrous environment avoiding and metal strippingKOREA RESOURCES CORP·Filed 2019·Granted Jun 14, 2022·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →