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Kazuyuki Nakasuji
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Threaded joint for steel pipes
Patent number
6,659,509
Issue date
Dec 9, 2003
Sumitomo Metal Industries, Ltd.
Kunio Goto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for processing a rotor used for a super charger
Patent number
5,970,611
Issue date
Oct 26, 1999
Ishikawajima-Harima Heavy Industries Co., Ltd.
Shigeru Takabe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Plated nickel-titanium alloy product
Patent number
5,733,667
Issue date
Mar 31, 1998
Sumitomo Metal Industries, Ltd.
Kazuyuki Nakasuji
G02 - OPTICS
Information
Patent Grant
Method of and an apparatus for producing wire
Patent number
5,673,584
Issue date
Oct 7, 1997
Sumitomo Metal Industries, Ltd.
Kouichi Kuroda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Tube rolling method and apparatus
Patent number
5,533,370
Issue date
Jul 9, 1996
Sumitomo Metal Industries, Ltd.
Kouichi Kuroda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Nonmagnetic ferrous alloy with excellent corrosion resistance and w...
Patent number
5,501,834
Issue date
Mar 26, 1996
Sumitomo Metal Industries, Ltd.
Kazuyuki Nakasuji
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Multiple-core complex material and method of manufacturing the same
Patent number
5,007,577
Issue date
Apr 16, 1991
Sumitomo Metal Industries Ltd.
Kazuyuki Nakasuji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing clad bar
Patent number
5,004,143
Issue date
Apr 2, 1991
Sumitomo Metal Industries, Ltd.
Kazuyuki Nakasuji
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing metallic tube with spiral fin
Patent number
4,959,985
Issue date
Oct 2, 1990
Sumitomo Metal Industries Ltd.
Kouichi Kuroda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing a finned tube
Patent number
4,901,553
Issue date
Feb 20, 1990
Sumitomo Metal Industries, Ltd.
Kouichi Kuroda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing metallic materials having a circular cross...
Patent number
4,512,177
Issue date
Apr 23, 1985
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing hollow rods
Patent number
4,510,787
Issue date
Apr 16, 1985
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
THREADED JOINT FOR STEEL PIPES
Publication number
20030160446
Publication date
Aug 28, 2003
Kunio Goto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...