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Hideo Sato
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High-strength seamless stainless steel pipe for oil country tubular...
Patent number
10,329,633
Issue date
Jun 25, 2019
JFE Steel Corporation
Kazuki Fujimura
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength stainless steel pipe
Patent number
10,151,012
Issue date
Dec 11, 2018
JFE Steel Corporation
Kenichiro Eguchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Threaded joint for oil country tubular goods
Patent number
10,125,554
Issue date
Nov 13, 2018
JFE Steel Corporation
Takamasa Kawai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Threaded joint for oil country tubular goods
Patent number
9,982,815
Issue date
May 29, 2018
JFE Steel Corporation
Takamasa Kawai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Threaded joint for heavy-walled oil country tubular goods
Patent number
9,709,196
Issue date
Jul 18, 2017
JFE Steel Corporation
Takamasa Kawai
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
AGENT FOR FORMING SOLID LUBRICATING COATING FILM, OIL COUNTRY TUBUL...
Publication number
20240218280
Publication date
Jul 4, 2024
JFE STEEL CORPORATION
Yasuhide ISHIGURO
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
THREADED JOINT OF PIPE AND METHOD FOR CONNECTING SAME
Publication number
20230383875
Publication date
Nov 30, 2023
JFE STEEL CORPORATION
Masaki YOSHIKAWA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...
Publication number
20170096722
Publication date
Apr 6, 2017
JFE STEEL CORPORATION
Kazuki FUJIMURA
C21 - METALLURGY OF IRON
Information
Patent Application
THREADED JOINT FOR HEAVY-WALLED OIL COUNTRY TUBULAR GOODS
Publication number
20160319966
Publication date
Nov 3, 2016
JFE STEEL CORPORATION
Takamasa Kawai
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD OF MANUFACTURING A HIGH-STRENGTH STAINLESS STEEL PIPE AND A...
Publication number
20160215359
Publication date
Jul 28, 2016
JFE STEEL CORPORATION
Kenichiro Eguchi
C21 - METALLURGY OF IRON
Information
Patent Application
THREADED JOINT FOR OIL COUNTRY TUBULAR GOODS
Publication number
20160178095
Publication date
Jun 23, 2016
JFE STEEL CORPORATION
Takamasa Kawai
E21 - EARTH DRILLING MINING
Information
Patent Application
THREADED JOINT FOR OIL COUNTRY TUBULAR GOODS (AS AMENDED)
Publication number
20160130884
Publication date
May 12, 2016
JFE STEEL CORPORATION
Takamasa Kawai
E21 - EARTH DRILLING MINING