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Mami Endo
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Chiyoda-ku, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Martensitic stainless steel seamless pipe for oil country tubular g...
Patent number
11,827,949
Issue date
Nov 28, 2023
JFE Steel Corporation
Mami Endo
C21 - METALLURGY OF IRON
Information
Patent Grant
Martensitic stainless steel seamless pipe for oil country tubular g...
Patent number
11,773,461
Issue date
Oct 3, 2023
JFE Steel Corporation
Mami Endo
C21 - METALLURGY OF IRON
Information
Patent Grant
Martensitic stainless steel seamless pipe for oil country tubular g...
Patent number
11,401,570
Issue date
Aug 2, 2022
JFE Steel Corporation
Mami Endo
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR GOODS AND MET...
Publication number
20230107887
Publication date
Apr 6, 2023
JFE STEEL CORPORATION
Mami Endo
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELL
Publication number
20230033540
Publication date
Feb 2, 2023
JFE STEEL CORPORATION
Kenichiro Eguchi
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
Publication number
20220074009
Publication date
Mar 10, 2022
JFE STEEL CORPORATION
Mami ENDO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
Publication number
20210207232
Publication date
Jul 8, 2021
JFE STEEL CORPORATION
Mami ENDO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
Publication number
20210198764
Publication date
Jul 1, 2021
JFE STEEL CORPORATION
Mami ENDO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
Publication number
20200407814
Publication date
Dec 31, 2020
JFE STEEL CORPORATION
Mami ENDO
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
Publication number
20200283866
Publication date
Sep 10, 2020
JFE STEEL CORPORATION
Mami Endo
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
Publication number
20200270715
Publication date
Aug 27, 2020
JFE STEEL CORPORATION
Mami Endo
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
Publication number
20190241989
Publication date
Aug 8, 2019
JFE STEEL CORPORATION
Mami Endo
C21 - METALLURGY OF IRON