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Yohei Otome
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Amagasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Steel material and method for producing steel material
Patent number
12,054,798
Issue date
Aug 6, 2024
Nippon Steel Corporation
Yuji Arai
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material suitable for use in sour environment
Patent number
11,891,680
Issue date
Feb 6, 2024
Nippon Steel Corporation
Yohei Otome
C21 - METALLURGY OF IRON
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 Cr-Ni alloy material and seamless pipe for oil well
Patent number
8,071,020
Issue date
Dec 6, 2011
Sumitomo Metal Industries, Ltd.
Yohei Otome
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
STEEL MATERIAL SUITABLE FOR USE IN SOUR ENVIRONMENT
Publication number
20220098712
Publication date
Mar 31, 2022
Hiroki KAMITANI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
STEEL MATERIAL SUITABLE FOR USE IN SOUR ENVIRONMENT
Publication number
20220042148
Publication date
Feb 10, 2022
NIPPON STEEL CORPORATION
Yohei OTOME
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL AND METHOD FOR PRODUCING STEEL MATERIAL
Publication number
20210262051
Publication date
Aug 26, 2021
NIPPON STEEL CORPORATION
Yuji ARAI
C21 - METALLURGY OF IRON
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
METHOD FOR PRODUCING HIGH-STRENGTH Cr-Ni ALLOY SEAMLESS PIPE
Publication number
20120031534
Publication date
Feb 9, 2012
Sumitomo Metal Industries, Ltd.
Yohei OTOME
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH Cr-Ni ALLOY MATERIAL AND SEAMLESS PIPE FOR OIL WELL
Publication number
20090291017
Publication date
Nov 26, 2009
Yohei Otome
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...