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Yoshihito Iwata
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Tokyo, JP
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last 30 patents
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Patent Grant
Method for recovering zinc oxide from dust
Patent number
6,102,982
Issue date
Aug 15, 2000
NKK Corporation
Shinichi Isozaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Agglomerated ores and a producing method therefor
Patent number
4,810,290
Issue date
Mar 7, 1989
Nippon Kokan Kabushiki Kaisha
Hiroshi Saito
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for continuously manufacturing fired pellets
Patent number
4,723,995
Issue date
Feb 9, 1988
Nippon Kokan Kabushiki Kaisha
Koji Satomi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Agglomerated ores and a producing method therefor
Patent number
4,722,750
Issue date
Feb 2, 1988
Nippon Kokan Kabushiki Kaisha
Hiroshi Saito
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...