Akifusa Ohnishi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating heavy-metal-containing wastewater using sulfidi...
- Patent number 7,264,733
- Issue date Sep 4, 2007
- Aquatech Corporation
- Toyokazu Matsunami
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method of treating heavy-metal-containing wastewater with sulfidizi...
- Publication number 20040232084
- Publication date Nov 25, 2004
- Toyokazu Matsunami
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...