Yasuo Yoshii

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for effluent treatment in smelting of nickel oxide ore
- Patent number 9,561,972
- Issue date Feb 7, 2017
- Sumitomo Metal Mining Co., Ltd.
- Yasuo Yoshii
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR EFFLUENT TREATMENT IN SMELTING OF NICKEL OXIDE ORE
- Publication number 20150225269
- Publication date Aug 13, 2015
- SUMITOMO METAL MINING CO., LTD.
- Yasuo Yoshii
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE