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Masahiro Kawakami
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Smelting reduction method
Patent number
6,837,916
Issue date
Jan 4, 2005
NKK Corporation
Masahiro Kawakami
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for smelting reduction of iron ore
Patent number
5,074,530
Issue date
Dec 24, 1991
NKK Corporation
Katsuhiro Iwasaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for smelting reduction of iron ore and apparatus therefor
Patent number
5,065,985
Issue date
Nov 19, 1991
NKK Corporation
Kenji Takahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of decarburizing high chromium molten metal
Patent number
5,047,081
Issue date
Sep 10, 1991
NKK Corporation
Haruyoshi Tanabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for smelting reduction of Ni ore
Patent number
5,047,082
Issue date
Sep 10, 1991
NKK Corporation
Haruyoshi Tanabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing molten metal containing Ni and Cr
Patent number
5,039,480
Issue date
Aug 13, 1991
NKK Corporation
Haruyoshi Tanabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for smelting reduction of Ni ore
Patent number
5,017,220
Issue date
May 21, 1991
NKK Corporation
Haruyoshi Tanabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for smelting reduction of iron ore
Patent number
5,000,784
Issue date
Mar 19, 1991
NKK Corporation
Kenji Takahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for smelting reduction of iron ore
Patent number
4,995,906
Issue date
Feb 26, 1991
NKK Corporation
Katsuhiro Iwasaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for smelting and reducing iron ores
Patent number
4,988,079
Issue date
Jan 29, 1991
NKK Corporation
Kenji Takahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of smelting reduction of chromium raw materials and a smelti...
Patent number
4,961,784
Issue date
Oct 9, 1990
NKK Corporation
Haruyoshi Tanabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing stainless molten steel by smelting reduction
Patent number
4,944,799
Issue date
Jul 31, 1990
NKK Corporation
Haruyoshi Tanabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for smelting and reducing iron ores
Patent number
4,936,908
Issue date
Jun 26, 1990
NKK Corporation
Kenji Takahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of charging chromium ores in a smelting reduction
Patent number
4,935,054
Issue date
Jun 19, 1990
NKK Corporation
Haruyoshi Tanabe
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Smelting reduction method
Publication number
20020112567
Publication date
Aug 22, 2002
NKK Corporation
Masahiro Kawakami
C21 - METALLURGY OF IRON