Inventor · disambiguated record
Matti Hämäläinen
Also filed as: HAEMAELAEINEN MATTI · HAMALAINEN MATTI · HAMALAINEN MATTI J · RASTAS JUSSI K
10 granted patents·3 pending applications·88 citations·filing 1978–2006
88Inventor score
Top patents by PatentIndex Score
13 records- 0188US6007600AMethod for producing copper in hydrometallurgical processOUTOKUMPU OY·Filed 1998·Granted Dec 28, 1999·43 cites·16 claims
- 0277US6929677B2Method for leaching copper concentrateOUTOKUMPU OY·Filed 2001·Granted Aug 16, 2005·11 cites·10 claims
- 0374US7785395B2Method for the recovery of gold from sulphide concentrateOUTOTEC OYJ·Filed 2006·Granted Aug 31, 2010·3 cites·24 claims
- 0464US6702871B1Method for the reduction of nickelOUTOKUMPU OY·Filed 2000·Granted Mar 9, 2004·6 cites·13 claims
- 0560US6712874B1Method for the reduction of nickel from an aqueous solutionOUTOKUMPU OY·Filed 2000·Granted Mar 30, 2004·7 cites·29 claims
- 0658US4208380AProcess for the recovery of cobalt from its impure, aqueous, in particular nickel-bearing, solutions and catalyst thereforOUTOKUMPU OY·Filed 1978·Granted Jun 17, 1980·9 cites·17 claims
- 0754US7776135B2Method for the recovery of goldOUTOTEC OYJ·Filed 2003·Granted Aug 17, 2010·1 cites·11 claims
- 0841US7294168B2Method for purifying the solution in the hydrometallurgical processing of copperOUTOTEC OYJ·Filed 2002·Granted Nov 13, 2007·0 cites·9 claims
- 0941US2007245856A1Method for Recovering GoldOUTOKUMPU TECHNOLOGY OYJ·Filed 2005·Application pending·0 cites
- 1039US4178172AProcess for the production of extra fine cobalt powderOUTOKUMPU OY·Filed 1978·Granted Dec 11, 1979·6 cites·8 claims
- 1139US2004159187A1Method for the reduction of nickel from an aqueous solutionFiled 2004·Application pending·0 cites
- 1235US2010296987A1Method for the Recovery of Gold from a Gold-Containing SolutionOUTOTEC OYI·Filed 2006·Application pending·0 cites
- 1333US5395595AFluidized bed reactorNESTE OY·Filed 1993·Granted Mar 7, 1995·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →