Inventor · disambiguated record
Yoshitomo Ozaki
Also filed as: OZAKI YOSHITOMO
35 granted patents·13 pending applications·117 citations·filing 1998–2017
96Inventor score
Files withSUMITOMO METAL MINING CO42KOCHI UNIV NATIONAL UNIV CORPORATION3KOBAYASHI HIROSHI1NAKAI OSAMU1UNIV KYUSHU NAT UNIV CORP1
Top patents by PatentIndex Score
48 records- 0190US7563421B2Hydrometallurgical process of nickel oxide oreSUMITOMO METAL MINING CO·Filed 2005·Granted Jul 21, 2009·19 cites·5 claims
- 0288US9399804B2Method for recovering scandiumSUMITOMO METAL MINING CO·Filed 2014·Granted Jul 26, 2016·6 cites·11 claims
- 0388US7964165B2Separation method for zinc sulfideSUMITOMO METAL MINING CO·Filed 2009·Granted Jun 21, 2011·10 cites·12 claims
- 0487US9458526B2Method for separating impurities from an acidic solution containing nickel and cobalt and/or scandiumUNIV KYUSHU NAT UNIV CORP·Filed 2014·Granted Oct 4, 2016·5 cites·20 claims
- 0584US10118224B2Method for producing nickel powderKOCHI UNIV NATIONAL UNIV CORPORATION·Filed 2015·Granted Nov 6, 2018·3 cites·19 claims
- 0683US10220446B2Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2015·Granted Mar 5, 2019·2 cites·7 claims
- 0782US10081851B2Method for recovering high-purity scandiumSUMITOMO METAL MINING CO·Filed 2015·Granted Sep 25, 2018·2 cites·19 claims
- 0882US8343447B2Hydrometallurgical process for a nickel oxide oreSUMITOMO METAL MINING CO·Filed 2009·Granted Jan 1, 2013·4 cites·8 claims
- 0981US9963762B2Scandium recovery methodSUMITOMO METAL MINING CO·Filed 2015·Granted May 8, 2018·2 cites·10 claims
- 1081US9017640B2Method for producing high-purity nickel surfaceSUMITOMO METAL MINING CO·Filed 2012·Granted Apr 28, 2015·3 cites·8 claims
- 1179US9938158B2Hematite manufacturing process and hematite manufactured by sameSUMITOMO METAL MINING CO·Filed 2014·Granted Apr 10, 2018·2 cites·8 claims
- 1279US6149885AMethod for purifying a nickel sulfate solution by solvent extractionSUMITOMO METAL MINING CO·Filed 1998·Granted Nov 21, 2000·33 cites·8 claims
- 1377US9328399B2Operating method in hydrometallurgy of nickel oxide oreSUMITOMO METAL MINING CO·Filed 2012·Granted May 3, 2016·2 cites·5 claims
- 1473US8911531B2Hydrometallurgical plant of nickel laterite ore and operation method thereofNAKAI OSAMU·Filed 2010·Granted Dec 16, 2014·3 cites·18 claims
- 1570US8747787B2Method for producing raw material for ferronickel smelting from low grade nickel oxide oreKOBAYASHI HIROSHI·Filed 2011·Granted Jun 10, 2014·1 cites·13 claims
- 1669US9567239B2Method for producing high-purity nickel sulfate and method for removing impurity element from solution containing nickelSUMITOMO METAL MINING CO·Filed 2014·Granted Feb 14, 2017·1 cites·6 claims
- 1769US9499879B2Method for producing high-purity cobalt sulfate aqueous solutionSUMITOMO METAL MINING CO·Filed 2012·Granted Nov 22, 2016·1 cites·14 claims
- 1863US9458038B2Wastewater treatment processSUMITOMO METAL MINING CO·Filed 2014·Granted Oct 4, 2016·1 cites·9 claims
- 1960US9719153B2Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical processSUMITOMO METAL MINING CO·Filed 2013·Granted Aug 1, 2017·0 cites·7 claims
- 2060US7018605B2Sulfidation reaction control methodSUMITOMO METAL MINING CO·Filed 2003·Granted Mar 28, 2006·6 cites·8 claims
- 2158US9561972B2Method for effluent treatment in smelting of nickel oxide oreSUMITOMO METAL MINING CO·Filed 2013·Granted Feb 7, 2017·0 cites·5 claims
- 2258US2010028227A1Hydrometallurgical process for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2009·Application pending·0 cites
- 2357US9404169B2Method for recovering scandiumSUMITOMO METAL MINING CO·Filed 2014·Granted Aug 2, 2016·0 cites·2 claims
- 2456US10092955B2Method for producing nickel powderKOCHI UNIV NATIONAL UNIV CORPORATION·Filed 2015·Granted Oct 9, 2018·0 cites·11 claims
- 2555US5888462AMethod of solvent extraction of nickel sulfate solutionsSUMITOMO METAL MINING CO·Filed 1998·Granted Mar 30, 1999·11 cites·5 claims
- 2651US9702023B2Method for producing high-purity nickel sulfateSUMITOMO METAL MINING CO·Filed 2013·Granted Jul 11, 2017·0 cites·5 claims
- 2750US9255013B2Method for producing hematite for ironmakingSUMITOMO METAL MINING CO·Filed 2013·Granted Feb 9, 2016·0 cites·7 claims
- 2847US10549351B2Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2015·Granted Feb 4, 2020·0 cites·9 claims
- 2946US10190189B2Scandium recovery processSUMITOMO METAL MINING CO·Filed 2015·Granted Jan 29, 2019·0 cites·6 claims
- 3046US9776885B2Method for producing hematite for ironmakingSUMITOMO METAL MINING CO·Filed 2013·Granted Oct 3, 2017·0 cites·9 claims
- 3145US10766072B2Method for producing high density nickel powderSUMITOMO METAL MINING CO·Filed 2016·Granted Sep 8, 2020·0 cites·2 claims
- 3245US10518332B2Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2017·Granted Dec 31, 2019·0 cites·6 claims
- 3345US2019047052A1Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 3445US2019308249A1Nickel powder production method and nickel powder production deviceSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 3544US11214849B2Method for recovering scandiumSUMITOMO METAL MINING CO·Filed 2017·Granted Jan 4, 2022·0 cites·15 claims
- 3644US10227675B2Wet smelting method for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2015·Granted Mar 12, 2019·0 cites·1 claims
- 3744US2021197266A1Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 3843US2018250752A1Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
- 3942US10500644B2Method for producing nickel powder having low carbon concentration and low sulfur concentrationSUMITOMO METAL MINING CO·Filed 2015·Granted Dec 10, 2019·0 cites·4 claims
- 4042US2020384542A1Nickel powder manufacturing methodSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 4142US2015315671A1Settling separation process for nuetralized slurry and hydrometallurgical process for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2013·Application pending·0 cites
- 4240US2020338641A1Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 4340US2018169764A1Method for producing cobalt powderSUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
- 4440US2019061006A1Method for producing seed crystal of cobalt powderSUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
- 4539US10434577B2Method for producing nickel powderKOCHI UNIV NATIONAL UNIV CORPORATION·Filed 2015·Granted Oct 8, 2019·0 cites·5 claims
- 4639US2018257143A1Method for manufacturing nickel powder, and method for operating reaction facilitySUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
- 4738US2019009343A1Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 4836US2018056399A1Cobalt powder production methodSUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →