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Daisuke MATSUO
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Seamless steel pipe and method for producing the same
Patent number
12,043,885
Issue date
Jul 23, 2024
Nippon Steel Corporation
Daisuke Matsuo
C21 - METALLURGY OF IRON
Information
Patent Grant
Martensitic stainless seamless steel pipe
Patent number
11,970,759
Issue date
Apr 30, 2024
Nippon Steel Corporation
Kyohei Kanki
C21 - METALLURGY OF IRON
Information
Patent Grant
Martensitic stainless steel material
Patent number
11,834,725
Issue date
Dec 5, 2023
Nippon Steel Corporation
Daisuke Matsuo
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel bar for downhole member, and downhole member
Patent number
10,995,394
Issue date
May 4, 2021
Nippon Steel Corporation
Daisuke Matsuo
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
DUPLEX STAINLESS STEEL MATERIAL
Publication number
20240401177
Publication date
Dec 5, 2024
NIPPON STEEL CORPORATION
Daisuke MATSUO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL PIPE
Publication number
20240401722
Publication date
Dec 5, 2024
NIPPON STEEL CORPORATION
Toshiya NISHIMURA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MARTENSITIC STAINLESS STEEL ROUND BAR
Publication number
20240401178
Publication date
Dec 5, 2024
NIPPON STEEL CORPORATION
Kyohei KANKI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL
Publication number
20240018636
Publication date
Jan 18, 2024
NIPPON STEEL CORPORATION
Daisuke MATSUO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MARTENSITIC STAINLESS STEEL MATERIAL
Publication number
20230392241
Publication date
Dec 7, 2023
NIPPON STEEL CORPORATION
Daisuke MATSUO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL MATERIAL
Publication number
20230366071
Publication date
Nov 16, 2023
NIPPON STEEL CORPORATION
Toshiya NISHIMURA
C21 - METALLURGY OF IRON
Information
Patent Application
DUPLEX STAINLESS STEEL SEAMLESS PIPE
Publication number
20230212723
Publication date
Jul 6, 2023
NIPPON STEEL CORPORATION
Mikiko NOGUCHI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
STEEL MATERIAL
Publication number
20230175107
Publication date
Jun 8, 2023
NIPPON STEEL CORPORATION
Daisuke MATSUO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL MATERIAL AND METHOD FOR PRODUCING MARTE...
Publication number
20230109773
Publication date
Apr 13, 2023
NIPPON STEEL CORPORATION
Yusaku TOMIO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS SEAMLESS STEEL PIPE
Publication number
20210317556
Publication date
Oct 14, 2021
NIPPON STEEL CORPORATION
Kyohei KANKI
C21 - METALLURGY OF IRON
Information
Patent Application
SEAMLESS STEEL PIPE AND METHOD FOR PRODUCING THE SAME
Publication number
20210269904
Publication date
Sep 2, 2021
NIPPON STEEL CORPORATION
Daisuke MATSUO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL MATERIAL
Publication number
20210238705
Publication date
Aug 5, 2021
NIPPON STEEL CORPORATION
Daisuke MATSUO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL BAR FOR DOWNHOLE MEMBER, AND DOWNHOLE MEMBER
Publication number
20190177823
Publication date
Jun 13, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Daisuke MATSUO
C21 - METALLURGY OF IRON