Takashi Ogata

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing high purity electrolytic copper
- Patent number 4,874,436
- Issue date Oct 17, 1989
- Nippon Mining Co., Ltd
- Takashi Ogata
- C30 - CRYSTAL GROWTH
Information Patent Grant
Copper wires used for transmitting sounds or images
- Patent number 4,792,369
- Issue date Dec 20, 1988
- Nippon Mining Co., Ltd
- Takashi Ogata
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for rhenium recovery
- Patent number 4,572,823
- Issue date Feb 25, 1986
- Nihon Kogyo Kabushiki Kaisha
- Takashi Ogata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the removal of bismuth and antimony from aqueous sulfur...
- Patent number 4,501,666
- Issue date Feb 26, 1985
- Nippon Mining Co., Ltd.
- Takashi Ogata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing arsenous acid
- Patent number 4,483,845
- Issue date Nov 20, 1984
- Nippon Mining Co., Ltd
- Shunichi Kasai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for separating cobalt and nickel from a solution containing...
- Patent number 4,246,240
- Issue date Jan 20, 1981
- Nippon Mining Co., Ltd
- Takashi Ogata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...