Ikunobu Sumida

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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...

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...