Inventor
OZAKI YOSHITOMO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “OZAKI YOSHITOMO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL MINING CO
29 patentsUS6149885ANov 21, 2000
Method for purifying a nickel sulfate solution by solvent extraction
SUMITOMO METAL MINING CO33 citations87
US7563421B2Jul 21, 2009
Hydrometallurgical process of nickel oxide ore
SUMITOMO METAL MINING CO19 citations82
US7964165B2Jun 21, 2011
Separation method for zinc sulfide
SUMITOMO METAL MINING CO10 citations80
US9938158B2Apr 10, 2018
Hematite manufacturing process and hematite manufactured by same
SUMITOMO METAL MINING CO2 citations72
US10220446B2Mar 5, 2019
Method for producing nickel powder
SUMITOMO METAL MINING CO2 citations71
US5888462AMar 30, 1999
Method of solvent extraction of nickel sulfate solutions
SUMITOMO METAL MINING CO11 citations71
US10081851B2Sep 25, 2018
Method for recovering high-purity scandium
SUMITOMO METAL MINING CO2 citations70
US9963762B2May 8, 2018
Scandium recovery method
SUMITOMO METAL MINING CO2 citations70
US9399804B2Jul 26, 2016
Method for recovering scandium
SUMITOMO METAL MINING CO6 citations70
US7018605B2Mar 28, 2006
Sulfidation reaction control method
SUMITOMO METAL MINING CO6 citations63
US9017640B2Apr 28, 2015
Method for producing high-purity nickel surface
SUMITOMO METAL MINING CO3 citations62
US9328399B2May 3, 2016
Operating method in hydrometallurgy of nickel oxide ore
SUMITOMO METAL MINING CO2 citations61
US8343447B2Jan 1, 2013
Hydrometallurgical process for a nickel oxide ore
SUMITOMO METAL MINING CO4 citations61
US9567239B2Feb 14, 2017
Method for producing high-purity nickel sulfate and method for removing impurity element from solution containing nickel
SUMITOMO METAL MINING CO1 citations51
US9561972B2Feb 7, 2017
Method for effluent treatment in smelting of nickel oxide ore
SUMITOMO METAL MINING CO0 citations51
US9458038B2Oct 4, 2016
Wastewater treatment process
SUMITOMO METAL MINING CO1 citations51
US9404169B2Aug 2, 2016
Method for recovering scandium
SUMITOMO METAL MINING CO0 citations51
US9499879B2Nov 22, 2016
Method for producing high-purity cobalt sulfate aqueous solution
SUMITOMO METAL MINING CO1 citations50
US11214849B2Jan 4, 2022
Method for recovering scandium
SUMITOMO METAL MINING CO0 citations49
US10190189B2Jan 29, 2019
Scandium recovery process
SUMITOMO METAL MINING CO0 citations49
US9776885B2Oct 3, 2017
Method for producing hematite for ironmaking
SUMITOMO METAL MINING CO0 citations48
US9702023B2Jul 11, 2017
Method for producing high-purity nickel sulfate
SUMITOMO METAL MINING CO0 citations47
US10227675B2Mar 12, 2019
Wet smelting method for nickel oxide ore
SUMITOMO METAL MINING CO0 citations40
US9719153B2Aug 1, 2017
Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process
SUMITOMO METAL MINING CO0 citations40
US10766072B2Sep 8, 2020
Method for producing high density nickel powder
SUMITOMO METAL MINING CO0 citations39
US10549351B2Feb 4, 2020
Method for producing nickel powder
SUMITOMO METAL MINING CO0 citations39
US10500644B2Dec 10, 2019
Method for producing nickel powder having low carbon concentration and low sulfur concentration
SUMITOMO METAL MINING CO0 citations39
US9255013B2Feb 9, 2016
Method for producing hematite for ironmaking
SUMITOMO METAL MINING CO0 citations39
US10518332B2Dec 31, 2019
Method for producing nickel powder
SUMITOMO METAL MINING CO0 citations36
KOCHI UNIV NATIONAL UNIV CORPORATION
3 patentsUS10118224B2Nov 6, 2018
Method for producing nickel powder
KOCHI UNIV NATIONAL UNIV CORPORATION3 citations69
US10092955B2Oct 9, 2018
Method for producing nickel powder
KOCHI UNIV NATIONAL UNIV CORPORATION0 citations48
US10434577B2Oct 8, 2019
Method for producing nickel powder
KOCHI UNIV NATIONAL UNIV CORPORATION0 citations37