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Ryo Ando
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Method and apparatus for manufacturing crystalline blast furnace slag
Patent number
4,299,610
Issue date
Nov 10, 1981
Nippon Kokan Kabushiki Kaisha
Ryo Ando
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for vitrifying blast furnace slag
Patent number
4,297,119
Issue date
Oct 27, 1981
Nippon Kokan Kabushiki Kaisha
Ryo Ando
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Apparatus for manufacturing vitreous blast furnace slag
Patent number
4,289,462
Issue date
Sep 15, 1981
Nippon Kokan Kabushiki Kaisha
Ryo Ando
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for recovering and utilizing useful substances from molten...
Patent number
4,260,414
Issue date
Apr 7, 1981
Nippon Kokan Kabushiki Kaisha
Gyoichi Suzuki
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Steel slag cement and method for manufacturing same
Patent number
4,124,404
Issue date
Nov 7, 1978
Nippon Kokan Kabushiki Kaisha
Gyoichi Suzuki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES