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Fukuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of processing scraps and equipment therefor
Patent number
5,535,891
Issue date
Jul 16, 1996
Nippon Jiryoku Senko Co., Ltd.
Hiroharu Kuniyone
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Device for separating long-size materials
Patent number
5,373,948
Issue date
Dec 20, 1994
Nippon Jiryoku Senko, Co., Ltd.
Tsunoru Nagaki
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method of modifying steel slag
Patent number
5,019,160
Issue date
May 28, 1991
Nippon Jiryoku Senko Co., Ltd.
Mitsuhisa Harada
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the treatment of slag generated in an ironworks
Patent number
4,747,547
Issue date
May 31, 1988
Nippon Jiryoku Senko Co., Ltd.
Akihisa Harada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of treating dust and sludge simultaneously with steel slag
Patent number
4,725,307
Issue date
Feb 16, 1988
Nippon Jiryoku Senko Co., Ltd.
Akihisa Harada
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the simultaneous treatment of dust, sludge and steel slag
Patent number
4,711,662
Issue date
Dec 8, 1987
Nippon Jiryoku Senko Co., Ltd.
Akihisa Harada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for treating molten steel slag with red mud from aluminum i...
Patent number
4,179,279
Issue date
Dec 18, 1979
Nippon Jiryoku Senko Co., Ltd.
Genzaburo Harada
C21 - METALLURGY OF IRON
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last 30 patents
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