Mitsuhiro OKATSU

Person

Handa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Seamless steel pipe having desirable sulfuric acid dew-point corros...
- Patent number 12,129,954
- Issue date Oct 29, 2024
- JFE Steel Corporation
- Hiroyuki Takai
- C21 - METALLURGY OF IRON
Information Patent Grant
Low-alloy high-strength seamless steel pipe for oil country tubular...
- Patent number 11,505,842
- Issue date Nov 22, 2022
- JFE Steel Corporation
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Grant
Low-alloy high-strength seamless steel pipe for oil country tubular...
- Patent number 11,453,924
- Issue date Sep 27, 2022
- JFE Steel Corporation
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Grant
Low-alloy high-strength seamless steel pipe for oil country tubular...
- Patent number 11,414,733
- Issue date Aug 16, 2022
- JFE Steel Corporation
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength seamless steel pipe for oil country tubular goods, an...
- Patent number 11,313,007
- Issue date Apr 26, 2022
- JFE Steel Corporation
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength seamless steel pipe for oil country tubular goods, an...
- Patent number 11,186,885
- Issue date Nov 30, 2021
- JFE Steel Corporation
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Grant
Low alloy high strength seamless steel pipe for oil country tubular...
- Patent number 11,111,566
- Issue date Sep 7, 2021
- JFE Steel Corporation
- Mitsuhiro Okatsu
- E21 - EARTH DRILLING MINING
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
High-strength seamless steel pipe for oil country tubular goods and...
- Patent number 10,920,297
- Issue date Feb 16, 2021
- JFE Steel Corporation
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength seamless steel pipe for oil country tubular goods and...
- Patent number 10,876,182
- Issue date Dec 29, 2020
- JFE Steel Corporation
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength seamless steel pipe for oil country tubular goods and...
- Patent number 10,844,453
- Issue date Nov 24, 2020
- JFE Steel Corporation
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength seamless steel pipe for oil country tubular goods and...
- Patent number 10,640,856
- Issue date May 5, 2020
- JFE Steel Corporation
- Masao Yuga
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
High-strength seamless steel pipe for oil country tubular goods and...
- Patent number 10,472,690
- Issue date Nov 12, 2019
- JFE Steel Corporation
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Grant
Round bar tensile test specimen for sulfide stress corrosion cracki...
- Patent number 9,995,669
- Issue date Jun 12, 2018
- JFE Steel Corporation
- Masao Yuga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Low yield ratio dual phase steel linepipe with superior strain agin...
- Patent number 9,896,748
- Issue date Feb 20, 2018
- Exxon Mobil Upstream Research Company
- Jayoung Koo
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength steel pipe for low-temperature usage having excellent...
- Patent number 8,765,269
- Issue date Jul 1, 2014
- JFE Steel Corporation
- Junji Shimamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-strength steel plate, method of producing the same, and high-s...
- Patent number 8,758,528
- Issue date Jun 24, 2014
- JFE Steel Corporation
- Junji Shimamura
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength welded steel pipe including weld metal having high co...
- Patent number 8,124,247
- Issue date Feb 28, 2012
- JFE Steel Corporation
- Naoya Hayakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-strength high-toughness steel products
- Patent number 6,521,057
- Issue date Feb 18, 2003
- Kawasaki Steel Corporation
- Noritsugu Itakura
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing a bainite steel product
- Patent number 6,299,710
- Issue date Oct 9, 2001
- Kawasaki Steel Corporation
- Noritsugu Itakura
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing thick steel product of high strength and hi...
- Patent number 5,989,366
- Issue date Nov 23, 1999
- Kawasaki Steel Corporation
- Tohru Hayashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Bainitic steel materials having a less scattering of properties and...
- Patent number 5,900,076
- Issue date May 4, 1999
- Kawasaki Steel Corporation
- Tohru Hayashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing bainitic steel materials having a less scatteri...
- Patent number 5,766,381
- Issue date Jun 16, 1998
- Kawasaki Steel Corporation
- Tohru Hayashi
- C21 - METALLURGY OF IRON

Patents Applicationslast 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 STEEL PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20230055650
- Publication date Feb 23, 2023
- JFE STEEL CORPORATION
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20230023397
- Publication date Jan 26, 2023
- JFE STEEL CORPORATION
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Application
SEAMLESS STEEL PIPE HAVING DESIRABLE SULFURIC ACID DEW-POINT CORROS...
- Publication number 20220411890
- Publication date Dec 29, 2022
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Application
SEAMLESS STEEL PIPE HAVING DESIRABLE SULFURIC ACID DEW-POINT CORROS...
- Publication number 20220364671
- Publication date Nov 17, 2022
- JFE STEEL CORPORATION
- Hiroyuki Takai
- C21 - METALLURGY OF IRON
Information Patent Application
LOW-ALLOY HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...
- Publication number 20210363620
- Publication date Nov 25, 2021
- JFE STEEL CORPORATION
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Application
LOW-ALLOY HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...
- Publication number 20210071275
- Publication date Mar 11, 2021
- JFE STEEL CORPORATION
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Application
LOW-ALLOY HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...
- Publication number 20200325553
- Publication date Oct 15, 2020
- JFE STEEL CORPORATION
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS, AN...
- Publication number 20190226039
- Publication date Jul 25, 2019
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
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
LOW ALLOY HIGH STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...
- Publication number 20190048443
- Publication date Feb 14, 2019
- JFE STEEL CORPORATION
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Application
LOW ALLOY HIGH STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...
- Publication number 20190048444
- Publication date Feb 14, 2019
- JFE STEEL CORPORATION
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS, AN...
- Publication number 20190024201
- Publication date Jan 24, 2019
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...
- Publication number 20180327881
- Publication date Nov 15, 2018
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...
- Publication number 20170349964
- Publication date Dec 7, 2017
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...
- Publication number 20170349963
- Publication date Dec 7, 2017
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...
- Publication number 20170283918
- Publication date Oct 5, 2017
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...
- Publication number 20170275715
- Publication date Sep 28, 2017
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Application
TEST METHOD FOR SULFIDE STRESS CORROSION CRACKING OF STEEL AND SEAM...
- Publication number 20170167968
- Publication date Jun 15, 2017
- JFE STEEL CORPORATION
- Masao YUGA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ABRASION RESISTANT WELDED STEEL PIPE AND METHOD OF PRODUCING THE SAME
- Publication number 20150007904
- Publication date Jan 8, 2015
- JFE STEEL CORPORATION
- Akihiko Tanizawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WELDED STEEL PIPE WITH EXCELLENT WELDED HEAT-AFFECTED ZONE TOUGHNES...
- Publication number 20140227549
- Publication date Aug 14, 2014
- JFE STEEL CORPORATION
- Akihiko Tanizawa
- C21 - METALLURGY OF IRON
Information Patent Application
LOW YIELD RATIO DUAL PHASE STEEL LINEPIPE WITH SUPERIOR STRAIN AGIN...
- Publication number 20120125490
- Publication date May 24, 2012
- Jayoung Koo
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH STRENGTH STEEL PIPE FOR LOW-TEMPERATURE USAGE HAVING EXCELLENT...
- Publication number 20120018028
- Publication date Jan 26, 2012
- JFE STEEL CORPORATION
- Junji Shimamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH-STRENGTH WELDED STEEL PIPE INCLUDING WELD METAL HAVING HIGH CO...
- Publication number 20100119861
- Publication date May 13, 2010
- JFE STEEL CORPORATION
- Naoya Hayakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Agin...
- Publication number 20090301613
- Publication date Dec 10, 2009
- Jayoung Koo
- C21 - METALLURGY OF IRON
Information Patent Application
High-Strength Steel Plate, Method of Producing the Same, and High-S...
- Publication number 20090120541
- Publication date May 14, 2009
- JEF STEEL CORPORATION
- Junji Shimamura
- C21 - METALLURGY OF IRON

Mitsuhiro OKATSU

Person

Patents Grantslast 30 patents

Seamless steel pipe having desirable sulfuric acid dew-point corros...

Low-alloy high-strength seamless steel pipe for oil country tubular...

Low-alloy high-strength seamless steel pipe for oil country tubular...

Low-alloy high-strength seamless steel pipe for oil country tubular...

High-strength seamless steel pipe for oil country tubular goods, an...

High-strength seamless steel pipe for oil country tubular goods, an...

Low alloy high strength seamless steel pipe for oil country tubular...

Low alloy high strength thick-walled seamless steel pipe for oil co...

High-strength seamless steel pipe for oil country tubular goods and...

High-strength seamless steel pipe for oil country tubular goods and...

High-strength seamless steel pipe for oil country tubular goods and...

High-strength seamless steel pipe for oil country tubular goods and...

High-strength seamless steel pipe for oil country tubular goods and...

Round bar tensile test specimen for sulfide stress corrosion cracki...

Low yield ratio dual phase steel linepipe with superior strain agin...

High strength steel pipe for low-temperature usage having excellent...

High-strength steel plate, method of producing the same, and high-s...

High-strength welded steel pipe including weld metal having high co...

High-strength high-toughness steel products

Method of producing a bainite steel product

Method of manufacturing thick steel product of high strength and hi...

Bainitic steel materials having a less scattering of properties and...

Method of producing bainitic steel materials having a less scatteri...

Patents Applicationslast 30 patents

STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR GOODS AND MET...

HIGH-STRENGTH SEAMLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

HIGH-STRENGTH SEAMLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

SEAMLESS STEEL PIPE HAVING DESIRABLE SULFURIC ACID DEW-POINT CORROS...

SEAMLESS STEEL PIPE HAVING DESIRABLE SULFURIC ACID DEW-POINT CORROS...

LOW-ALLOY HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...

LOW-ALLOY HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...

LOW-ALLOY HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...

HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS, AN...

LOW ALLOY HIGH STRENGTH THICK-WALLED SEAMLESS STEEL PIPE FOR OIL CO...

LOW ALLOY HIGH STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...

LOW ALLOY HIGH STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...

HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS, AN...

HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...

HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...

HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...

HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...

HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL COUNTRY TUBULAR GOODS AND...

TEST METHOD FOR SULFIDE STRESS CORROSION CRACKING OF STEEL AND SEAM...

ABRASION RESISTANT WELDED STEEL PIPE AND METHOD OF PRODUCING THE SAME

WELDED STEEL PIPE WITH EXCELLENT WELDED HEAT-AFFECTED ZONE TOUGHNES...

LOW YIELD RATIO DUAL PHASE STEEL LINEPIPE WITH SUPERIOR STRAIN AGIN...

HIGH STRENGTH STEEL PIPE FOR LOW-TEMPERATURE USAGE HAVING EXCELLENT...

HIGH-STRENGTH WELDED STEEL PIPE INCLUDING WELD METAL HAVING HIGH CO...

Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Agin...

High-Strength Steel Plate, Method of Producing the Same, and High-S...