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Takashi TSUSUE
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
As-rolled type K55 electric resistance welded oil well pipe and hot...
Patent number
10,738,371
Issue date
Aug 11, 2020
Nippon Steel Corporation
Tetsuo Ishitsuka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High strength electric resistance welded steel pipe and method for...
Patent number
10,640,843
Issue date
May 5, 2020
Nippon Steel Corporation
Tetsuo Ishitsuka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
HOT-STRETCH-REDUCED ELECTRIC RESISTANCE WELDED PIPE
Publication number
20240141451
Publication date
May 2, 2024
Nippon Steel Corporation
Kenzo TASHIMA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
AS-ROLLED TYPE K55 ELECTRIC RESISTANCE WELDED OIL WELL PIPE AND HOT...
Publication number
20180298475
Publication date
Oct 18, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Tetsuo ISHITSUKA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HIGH STRENGTH ELECTRIC RESISTANCE WELDED STEEL PIPE, METHOD FOR PRO...
Publication number
20180105893
Publication date
Apr 19, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Tetsuo ISHITSUKA
C21 - METALLURGY OF IRON