Yuji Kawano

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Oita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing aqueous solution of perrhenic acid from rheniu...
- Patent number 9,631,259
- Issue date Apr 25, 2017
- Pan Pacific Copper Co., Ltd.
- Ikunobu Sumida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing aqueous solution of perrhenic acid from rheniu...
- Patent number 9,624,561
- Issue date Apr 18, 2017
- Pan Pacific Copper Co., Ltd.
- Ikunobu Sumida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of separating rhodium from platinum and/or palladium
- Patent number 7,951,223
- Issue date May 31, 2011
- JX Nippon Mining & Metals Corporation
- Hifumi Nagai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing ammonium hexachlororuthenate and ruthenium pow...
- Patent number 7,601,198
- Issue date Oct 13, 2009
- Nippon Mining & Metals Co., Ltd.
- Hifumi Nagai
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING AQUEOUS SOLUTION OF PERRHENIC ACID FROM RHENIU...
- Publication number 20150114181
- Publication date Apr 30, 2015
- Pan Pacific Copper Co., Ltd.
- Ikunobu Sumida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING AQUEOUS SOLUTION OF PERRHENIC ACID FROM RHENIU...
- Publication number 20150107414
- Publication date Apr 23, 2015
- Pan Pacific Copper Co., Ltd.
- Ikunobu Sumida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF SEPARATING RHODIUM FROM PLATINUM AND/OR PALLADIUM
- Publication number 20100180730
- Publication date Jul 22, 2010
- Hifumi Nagai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for producing ammonium hexachlororuthenate and ruthenium pow...
- Publication number 20080199386
- Publication date Aug 21, 2008
- Nippon Mining & Metals Co., Ltd.
- Hifumi Nagai
- B22 - CASTING POWDER METALLURGY