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Haruo Shimada
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Kawasaki, JP
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last 30 patents
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Patent Grant
Production process and apparatus for high purity silicon
Patent number
6,395,249
Issue date
May 28, 2002
Nippon Steel Corporation
Jiro Kondo
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Reinforcing steel having resistance to salt and capable of preventi...
Patent number
4,915,901
Issue date
Apr 10, 1990
Nippon Steel Corporation
Haruo Shimada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Seawater-corrosion-resistant non-magnetic steel materials
Patent number
4,861,548
Issue date
Aug 29, 1989
Nippon Steel Corporation
Haruo Shimada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Seawater-corrosion-resistant non-magnetic steel materials
Patent number
4,844,865
Issue date
Jul 4, 1989
Nippon Steel Corporation
Haruo Shimada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Concrete reinforcing steel bar or wire
Patent number
4,836,981
Issue date
Jun 6, 1989
Nippon Steel Corporation
Haruo Shimada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...