Kazuhiro Niisawa

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Shinagawa-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for separation and recovery of noble metals
- Patent number 7,857,888
- Issue date Dec 28, 2010
- Asaka Riken Co., Ltd.
- Kazuhiro Niisawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR SEPARATION AND RECOVERY OF NOBLE METALS
- Publication number 20100224029
- Publication date Sep 9, 2010
- ASAKA RIKEN CO., LTD.
- Kazuhiro Niisawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...