Inventor · disambiguated record
Masaki Imamura
Also filed as: IMAMURA MASAKI
16 granted patents·5 pending applications·93 citations·filing 1998–2019
90Inventor score
Files withSUMITOMO METAL MINING CO20
Top patents by PatentIndex Score
21 records- 0190US7563421B2Hydrometallurgical process of nickel oxide oreSUMITOMO METAL MINING CO·Filed 2005·Granted Jul 21, 2009·19 cites·5 claims
- 0284US6340427B1Solution purification method for electrolyteSUMITOMO METAL MINING CO·Filed 2000·Granted Jan 22, 2002·16 cites·11 claims
- 0379US6149885AMethod for purifying a nickel sulfate solution by solvent extractionSUMITOMO METAL MINING CO·Filed 1998·Granted Nov 21, 2000·33 cites·8 claims
- 0474US7435405B2Anti-oxidation method for sulfide minerals in sulfide oreSUMITOMO METAL MINING CO·Filed 2005·Granted Oct 14, 2008·3 cites·4 claims
- 0571US9828256B2Method for producing hematite for ironmakingSUMITOMO METAL MINING CO·Filed 2013·Granted Nov 28, 2017·1 cites·3 claims
- 0669US9752209B2Method for producing hematite for ironmakingSUMITOMO METAL MINING CO·Filed 2014·Granted Sep 5, 2017·2 cites·6 claims
- 0769US2019382870A1Hydrometallurgical process for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2019·Application pending·0 cites
- 0860US7018605B2Sulfidation reaction control methodSUMITOMO METAL MINING CO·Filed 2003·Granted Mar 28, 2006·6 cites·8 claims
- 0956US2017175227A1Hydrometallurgical process for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2015·Application pending·0 cites
- 1055US5888462AMethod of solvent extraction of nickel sulfate solutionsSUMITOMO METAL MINING CO·Filed 1998·Granted Mar 30, 1999·11 cites·5 claims
- 1153US6921426B2Process of recovering copper from oreSUMITOMO METAL MINING CO·Filed 2003·Granted Jul 26, 2005·2 cites·9 claims
- 1252US9914648B2Process for producing hematite for ironmakingSUMITOMO METAL MINING CO·Filed 2014·Granted Mar 13, 2018·0 cites·4 claims
- 1350US10273558B2Ore slurry pre-treatment method and ore slurry manufacturing methodSUMITOMO METAL MINING CO·Filed 2015·Granted Apr 30, 2019·0 cites·5 claims
- 1447US2016076121A1Hydrometallurgical process for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2014·Application pending·0 cites
- 1546US9981858B2Process for producing hemataite for ironmakingSUMITOMO METAL MINING CO·Filed 2015·Granted May 29, 2018·0 cites·3 claims
- 1644US7449160B2Process of solvent extraction of copperSUMITOMO METAL MINING CO·Filed 2004·Granted Nov 11, 2008·0 cites·8 claims
- 1744US2021284547A1Method for recovering scandiumSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 1843US10626481B2Mineral ore slurry pretreatment method, and method for manufacturing mineral ore slurrySUMITOMO METAL MINING CO·Filed 2016·Granted Apr 21, 2020·0 cites·17 claims
- 1941US7138005B2Nickel refining methodSUMITOMO METAL MINING CO·Filed 2002·Granted Nov 21, 2006·0 cites·9 claims
- 2039US2004144208A1Process for refining raw copper material containing copper sulfide mineralFiled 2003·Application pending·0 cites
- 2136US10125025B2Method for producing hematite for ironmakingSUMITOMO METAL MINING CO·Filed 2015·Granted Nov 13, 2018·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →