KOSAKA SMELTING & REFINING CO., LTD.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for recovering platinum group elements
- Patent number 8,366,991
- Issue date Feb 5, 2013
- Dowa Metals & Mining Co., Ltd.
- Koji Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and apparatus for recovering platinum group elements
- Patent number 7,815,706
- Issue date Oct 19, 2010
- Dowa Metals & Mining Co., Ltd.
- Koji Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for operating waste heat boiler in flash-smelting furnace
- Patent number 6,228,144
- Issue date May 8, 2001
- Dowa Mining Co., Ltd.
- Tsuneo Shirasawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of recovering platinum group metal
- Patent number 5,252,305
- Issue date Oct 12, 1993
- Tanaka Kikinzoku Kogyo K.K.
- Nobuyasu Ezawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS FOR RECOVERING PLATINUM GROUP ELEMENTS
- Publication number 20110001279
- Publication date Jan 6, 2011
- DOWA METALS & MINING CO., LTD.
- Koji Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Trademarklast 30 trademarks