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Minoru Nitta
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Chiba, JP
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last 30 patents
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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 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
Alloy steel powders for injection molding use, their compounds and...
Patent number
5,338,508
Issue date
Aug 16, 1994
Kawasaki Steel Corporation
Minoru Nitta
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for preparing spherical copper fine powder
Patent number
4,810,285
Issue date
Mar 7, 1989
Kawasaki Steel Corporation
Kenichi Otsuka
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of producing ferrous sintered alloys with superior abrasion...
Patent number
4,743,425
Issue date
May 10, 1988
Mazda Motor Corporation
Shigemi Ohsaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Alloy steel powder having excellent compressibility, moldability an...
Patent number
4,266,974
Issue date
May 12, 1981
Kawasaki Steel Corporation
Minoru Nitta
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for producing low-oxygen iron-base metallic powder
Patent number
4,234,168
Issue date
Nov 18, 1980
Kawasaki Steel Corporation
Yoshihiro Kajinaga
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Shaft furnace for producing low-oxygen iron-base metallic powder fo...
Patent number
4,223,874
Issue date
Sep 23, 1980
Kawasaki Steel Corporation
Yoshihiro Kajinaga
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for producing low-oxygen iron-base metallic powder
Patent number
4,209,320
Issue date
Jun 24, 1980
Kawasaki Steel Corporation
Yoshihiro Kajinaga
B22 - CASTING POWDER METALLURGY