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Haruo Nakamichi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Low alloy high strength thick-walled seamless steel pipe for oil co...
Patent number
10,975,450
Issue date
Apr 13, 2021
JFE Steel Corporation
Mitsuhiro Okatsu
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material for highly deformable line pipes having superior str...
Patent number
10,465,261
Issue date
Nov 5, 2019
JFE Steel Corporation
Kyono Yasuda
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel material for highly deformable line pipes having superior str...
Patent number
10,344,362
Issue date
Jul 9, 2019
JFE Steel Corporation
Kyono Yasuda
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-strength seamless steel tube, having excellent resistance to s...
Patent number
9,234,254
Issue date
Jan 12, 2016
JFE Steel Corporation
Kenichiro Eguchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Surface-treated steel sheets of good white rust resistance, and met...
Patent number
7,291,402
Issue date
Nov 6, 2007
JFE Steel Corporation
Okai Kazuhisa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
SURFACE-TREATED STEEL SHEET AND METHOD OF PRODUCING THE SAME
Publication number
20240068107
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Takashi UENO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SURFACE-TREATED STEEL SHEET AND METHOD OF PRODUCING THE SAME
Publication number
20240035182
Publication date
Feb 1, 2024
JFE STEEL CORPORATION
Takashi UENO
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
LOW ALLOY HIGH STRENGTH THICK-WALLED SEAMLESS STEEL PIPE FOR OIL CO...
Publication number
20190055617
Publication date
Feb 21, 2019
JFE STEEL CORPORATION
Mitsuhiro Okatsu
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL FOR HIGHLY DEFORMABLE LINE PIPES HAVING SUPERIOR STR...
Publication number
20170022590
Publication date
Jan 26, 2017
JFE STEEL CORPORATION
Kyono YASUDA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL FOR HIGHLY DEFORMABLE LINE PIPES HAVING SUPERIOR STR...
Publication number
20170022583
Publication date
Jan 26, 2017
JFE STEEL CORPORATION
Kyono YASUDA
C21 - METALLURGY OF IRON
Information
Patent Application
THICK, HIGH-STRENGTH, SOUR-RESISTANT LINE PIPE AND METHOD FOR PROD...
Publication number
20150176727
Publication date
Jun 25, 2015
JFE STEEL CORPORATION
Akihiko Tanizawa
C21 - METALLURGY OF IRON
Information
Patent Application
THICK-WALLED HIGH-STRENGTH SOUR-RESISTANT LINE PIPE AND METHOD FOR...
Publication number
20150152982
Publication date
Jun 4, 2015
JFE STEEL CORPORATION
Akihiko Tanizawa
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH SEAMLESS STEEL TUBE, HAVING EXCELLENT RESISTANCE TO S...
Publication number
20120186704
Publication date
Jul 26, 2012
JFE STEEL CORPORATION
Kenichiro Eguchi
C21 - METALLURGY OF IRON
Information
Patent Application
Surface-treated steel sheet excellent in resistance to white rust a...
Publication number
20050147832
Publication date
Jul 7, 2005
Kazuhisa Okai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...