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Nobuyuki Hisamune
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Kinokawa-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Seamless steel pipe for line pipe and a process for its manufacture
Patent number
7,931,757
Issue date
Apr 26, 2011
Sumitomo Metal Industries, Ltd.
Kunio Kondo
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing seamless steel pipe for line pipe
Patent number
7,896,984
Issue date
Mar 1, 2011
Sumitomo Metal Industries, Ltd.
Kenji Kobayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Seamless steel pipe for line pipe and a process for its manufacture
Patent number
7,896,985
Issue date
Mar 1, 2011
Sumitomo Metal Industries, Ltd.
Yuji Arai
C21 - METALLURGY OF IRON
Information
Patent Grant
Seamless steel pipe and manufacturing method thereof
Patent number
7,815,755
Issue date
Oct 19, 2010
Sumitomo Metal Industries, Ltd.
Yuji Arai
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength seamless steel pipe excellent in hydrogen-induced cra...
Patent number
7,416,617
Issue date
Aug 26, 2008
Sumitomo Metal Industries, Ltd.
Nobutoshi Murao
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HEAVY WALL SEAMLESS STEEL PIPE FOR LINE PIPE AND A MANUFACTURING ME...
Publication number
20100236670
Publication date
Sep 23, 2010
SUMITOMO METAL INDUSTRIES LTD.
Kunio Kondo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Seamless steel pipe for line pipe and a process for its manufacture
Publication number
20090114318
Publication date
May 7, 2009
Yuji Arai
C21 - METALLURGY OF IRON
Information
Patent Application
High strength seamless steel pipe excellent in hydrogen-induced cra...
Publication number
20080283161
Publication date
Nov 20, 2008
Nobutoshi Murao
C21 - METALLURGY OF IRON
Information
Patent Application
Seamless steel pipe and manufacturing method thereof
Publication number
20080257459
Publication date
Oct 23, 2008
Yuji Arai
C21 - METALLURGY OF IRON
Information
Patent Application
Seamless steel pipe for line pipe and a method for its manufacture
Publication number
20080216928
Publication date
Sep 11, 2008
Kenji Kobayashi
C21 - METALLURGY OF IRON
Information
Patent Application
Seamless steel pipe for line pipe and a process for its manufacture
Publication number
20080219878
Publication date
Sep 11, 2008
Kunio Kondo
C21 - METALLURGY OF IRON
Information
Patent Application
Heavy wall seamless steel pipe for line pipe and a manufacturing me...
Publication number
20080047635
Publication date
Feb 28, 2008
Sumitomo Metal Industries, Ltd.
Kunio Kondo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Steel for pipeline
Publication number
20060219326
Publication date
Oct 5, 2006
Nobuyuki Hisamune
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Manufacturing method of high strength, high toughness seamless stee...
Publication number
20060219332
Publication date
Oct 5, 2006
Tsuneo Murase
C21 - METALLURGY OF IRON
Information
Patent Application
High strength seamless steel pipe excellent in hydrogen-induced cra...
Publication number
20050167013
Publication date
Aug 4, 2005
Nobutoshi Murao
C21 - METALLURGY OF IRON