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Taro Ohe
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Stainless steel for oil wells and stainless steel pipe for oil wells
Patent number
9,783,876
Issue date
Oct 10, 2017
Nippon Steel & Sumitomo Metal Corporation
Shinjiro Nakatsuka
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel for oil well, stainless steel pipe for oil well, an...
Patent number
9,322,087
Issue date
Apr 26, 2016
Nippon Steel & Sumitomo Metal Corporation
Hideki Takabe
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength stainless steel for oil well and high-strength stainl...
Patent number
9,303,296
Issue date
Apr 5, 2016
Nippon Steel & Sumitomo Metal Corporation
Taro Ohe
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel for oil well, stainless steel pipe for oil well, an...
Patent number
9,109,268
Issue date
Aug 18, 2015
Nippon Steel & Sumitomo Metal Corporation
Hideki Takabe
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength stainless steel pipe excellent in sulfide stress crac...
Patent number
8,608,872
Issue date
Dec 17, 2013
Nippon Steel & Sumitomo Metal Corporation
Kunio Kondo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Oil country tubular good for expansion in well and manufacturing me...
Patent number
7,799,149
Issue date
Sep 21, 2010
Sumitomo Metal Industries, Ltd.
Taro Ohe
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STAINLESS STEEL FOR OIL WELL, STAINLESS STEEL PIPE FOR OIL WELL, AN...
Publication number
20150307972
Publication date
Oct 29, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hideki TAKABE
C21 - METALLURGY OF IRON
Information
Patent Application
STAINLESS STEEL FOR OIL WELLS AND STAINLESS STEEL PIPE FOR OIL WELLS
Publication number
20150047831
Publication date
Feb 19, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Shinjiro Nakatsuka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH-STRENGTH STAINLESS STEEL FOR OIL WELL AND HIGH-STRENGTH STAINL...
Publication number
20120328897
Publication date
Dec 27, 2012
Sumitomo Metal Industries, Ltd.
Taro OHE
C21 - METALLURGY OF IRON
Information
Patent Application
STAINLESS STEEL FOR OIL WELL, STAINLESS STEEL PIPE FOR OIL WELL, AN...
Publication number
20120031530
Publication date
Feb 9, 2012
Sumitomo Metal Industries, Ltd.
Hideki TAKABE
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STAINLESS STEEL PIPE EXCELLENT IN SULFIDE STRESS CRAC...
Publication number
20110226378
Publication date
Sep 22, 2011
Sumitomo Metal Industries, Ltd.
Kunio KONDO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
STAINLESS STEEL USED FOR OIL COUNTRY TUBULAR GOODS
Publication number
20110014083
Publication date
Jan 20, 2011
Sumitomo Metal Industries, Ltd.
Hisashi Amaya
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Oil country tubular good for expansion in well and duplex stainless...
Publication number
20090032246
Publication date
Feb 5, 2009
Hideki Takabe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Oil country tubular good for expansion in well and manufacturing me...
Publication number
20090032150
Publication date
Feb 5, 2009
Taro Ohe
C21 - METALLURGY OF IRON
Information
Patent Application
Method for producing high chromium seamless pipe or tube
Publication number
20090000709
Publication date
Jan 1, 2009
Taro Ohe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...