Susumu Makino

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Patents Grantslast 30 patents

Information Patent Grant
Method for purifying a nickel sulfate solution by solvent extraction
- Patent number 6,149,885
- Issue date Nov 21, 2000
- Sumitomo Metal Mining Co., Ltd.
- Susumu Makino
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of solvent extraction of nickel sulfate solutions
- Patent number 5,888,462
- Issue date Mar 30, 1999
- Sumitomo Metal Mining Co., Ltd.
- Susumu Makino
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...