Inventor · disambiguated record
Naoyuki Tsuchida
Also filed as: TSUCHIDA NAOYUKI
4 granted patents·80 citations·filing 1996–2005
78Inventor score
Files withSUMITOMO METAL MINING CO3
Top patents by PatentIndex Score
4 records- 0190US7563421B2Hydrometallurgical process of nickel oxide oreSUMITOMO METAL MINING CO·Filed 2005·Granted Jul 21, 2009·19 cites·5 claims
- 0279US6149885AMethod for purifying a nickel sulfate solution by solvent extractionSUMITOMO METAL MINING CO·Filed 1998·Granted Nov 21, 2000·33 cites·8 claims
- 0365US6153081AMethod of recovering antimony and bismuth from copper electrolyteFiled 1996·Granted Nov 28, 2000·17 cites·35 claims
- 0455US5888462AMethod of solvent extraction of nickel sulfate solutionsSUMITOMO METAL MINING CO·Filed 1998·Granted Mar 30, 1999·11 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →