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Hiroyuki Ishikawa
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Chiba, JP
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last 30 patents
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Patent Grant
Ultrafine spherical nickel powder for use as an electrode of lamina...
Patent number
5,853,451
Issue date
Dec 29, 1998
Kawasaki Steel Corporation
Hiroyuki Ishikawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Atomized steel powder excellent machinability and sintered steel ma...
Patent number
5,571,305
Issue date
Nov 5, 1996
Kawasaki Steel Corporation
Satoshi Uenosono
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of preparing composite sintered body
Patent number
5,554,338
Issue date
Sep 10, 1996
Nissan Motor Co., Ltd.
Hiroshi Sugihara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Water-atomized iron powder and method
Patent number
5,534,045
Issue date
Jul 9, 1996
Kawasaki Steel Corporation
Kuniaki Ogura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Iron powder and mixed powder for powder metallurgy as well as metho...
Patent number
5,507,853
Issue date
Apr 16, 1996
Kawasaki Steel Corporation
Kuniaki Ogura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Iron-based powder mixture and method
Patent number
5,476,534
Issue date
Dec 19, 1995
Kawasaki Steel Corporation
Kuniaki Ogura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Water-atomized iron powder and method
Patent number
5,462,577
Issue date
Oct 31, 1995
Kawasaki Steel Corporation
Kuniaki Ogura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Iron powder and mixed powder for powder metallurgy as well as metho...
Patent number
5,458,670
Issue date
Oct 17, 1995
Kawasaki Steel Corporation
Kuniaki Ogura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of making iron-based powder mixture
Patent number
5,279,640
Issue date
Jan 18, 1994
Kawasaki Steel Corporation
Kuniaki Ogura
B22 - CASTING POWDER METALLURGY