Masao YUGA

Person

Handa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-strength seamless steel pipe and method for manufacturing same
- Patent number 12,227,816
- Issue date Feb 18, 2025
- JFE Steel Corporation
- Mitsuhiro Okatsu
- C21 - METALLURGY OF IRON
Information Patent Grant
Seamless steel pipe having desirable sulfuric acid dew-point corros...
- Patent number 12,227,815
- Issue date Feb 18, 2025
- JFE Steel Corporation
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless steel seamless pipe for oil country tubular g...
- Patent number 12,221,663
- Issue date Feb 11, 2025
- JFE Steel Corporation
- Mami Endo
- C21 - METALLURGY OF IRON
Information Patent Grant
Duplex stainless steel seamless pipe and method for manufacturing same
- Patent number 12,157,937
- Issue date Dec 3, 2024
- JFE Steel Corporation
- Shunsuke Sasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Seamless pipe and method for manufacturing same
- Patent number 12,140,265
- Issue date Nov 12, 2024
- JFE Steel Corporation
- Shunsuke Sasaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Stainless steel seamless pipe
- Patent number 12,098,438
- Issue date Sep 24, 2024
- JFE Steel Corporation
- Yuichi Kamo
- C21 - METALLURGY OF IRON
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
Duplex stainless steel and method for producing same
- Patent number 11,655,526
- Issue date May 23, 2023
- JFE Steel Corporation
- Kenichiro Eguchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Dual-phase stainless steel, and method of production thereof
- Patent number 11,566,301
- Issue date Jan 31, 2023
- JFE Steel Corporation
- Yusuke Yoshimura
- 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
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
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 stainless steel seamless pipe for oil country tubular...
- Patent number 11,306,369
- Issue date Apr 19, 2022
- JFE Steel Corporation
- Yuichi Kamo
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength stainless steel seamless pipe for oil country tubular...
- Patent number 11,286,548
- Issue date Mar 29, 2022
- JFE Steel Corporation
- Yuichi Kamo
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength seamless stainless steel pipe and method for producin...
- Patent number 11,268,161
- Issue date Mar 8, 2022
- JFE Steel Corporation
- Yuichi Kamo
- 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
Abrasion-resistant steel plate and method for manufacturing the same
- Patent number 10,662,493
- Issue date May 26, 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
High-tensile-strength steel plate and process for producing same
- Patent number 10,316,385
- Issue date Jun 11, 2019
- JFE Steel Corporation
- Katsuyuki Ichimiya
- C21 - METALLURGY OF IRON
Information Patent Grant
Weld joint
- Patent number 10,300,564
- Issue date May 28, 2019
- JFE Steel Corporation
- Katsuyuki Ichimiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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...

Patents Applicationslast 30 patents

Information Patent Application
DUPLEX STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20240309480
- Publication date Sep 19, 2024
- JFE STEEL CORPORATION
- Shunsuke Sasaki
- C21 - METALLURGY OF IRON
Information Patent Application
STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20240191331
- Publication date Jun 13, 2024
- JFE STEEL CORPORATION
- Kenichiro Eguchi
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR...
- Publication number 20240124949
- Publication date Apr 18, 2024
- JFE STEEL CORPORATION
- Kenichiro Eguchi
- C21 - METALLURGY OF IRON
Information Patent Application
STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20230340632
- Publication date Oct 26, 2023
- JFE STEEL CORPORATION
- Yuichi Kamo
- C21 - METALLURGY OF IRON
Information Patent Application
ALLOY PIPE AND METHOD FOR PRODUCING SAME
- Publication number 20230183829
- Publication date Jun 15, 2023
- JFE STEEL CORPORATION
- Shunsuke Sasaki
- C21 - METALLURGY OF IRON
Information Patent Application
DUAL-PHASE STAINLESS STEEL AND DUAL-PHASE STAINLESS STEEL SEAMLESS...
- Publication number 20230151469
- Publication date May 18, 2023
- JFE STEEL CORPORATION
- Kazuki Fujimura
- C21 - METALLURGY OF IRON
Information Patent Application
STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING STAINLES...
- Publication number 20230137295
- Publication date May 4, 2023
- JFE STEEL CORPORATION
- Yuichi Kamo
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR...
- Publication number 20230128437
- Publication date Apr 27, 2023
- JFE STEEL CORPORATION
- Kenichiro Eguchi
- C21 - METALLURGY OF IRON
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
STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20230097339
- Publication date Mar 30, 2023
- JFE STEEL CORPORATION
- Shunsuke Sasaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20230090536
- Publication date Mar 23, 2023
- JFE STEEL CORPORATION
- Shunsuke Sasaki
- C21 - METALLURGY OF IRON
Information Patent Application
STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20230090789
- Publication date Mar 23, 2023
- JFE STEEL CORPORATION
- Shunsuke Sasaki
- C21 - METALLURGY OF IRON
Information Patent Application
SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20230079996
- Publication date Mar 16, 2023
- JFE STEEL CORPORATION
- Shunsuke Sasaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING STAINLES...
- Publication number 20230048685
- Publication date Feb 16, 2023
- JFE STEEL CORPORATION
- Yuichi Kamo
- 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
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
STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20220364211
- Publication date Nov 17, 2022
- JFE STEEL CORPORATION
- Yuichi KAMO
- C21 - METALLURGY OF IRON
Information Patent Application
STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20220349036
- Publication date Nov 3, 2022
- JFE STEEL CORPORATION
- Yuichi KAMO
- C21 - METALLURGY OF IRON
Information Patent Application
DUPLEX STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME, AND DUPLE...
- Publication number 20220228231
- Publication date Jul 21, 2022
- JFE STEEL CORPORATION
- Kazuki Fujimura
- C21 - METALLURGY OF IRON
Information Patent Application
STAINLESS STEEL SEAMLESS PIPE
- Publication number 20220177990
- Publication date Jun 9, 2022
- JFE STEEL CORPORATION
- Yuichi KAMO
- 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
DUPLEX STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20220018007
- Publication date Jan 20, 2022
- JFE STEEL CORPORATION
- Shunsuke Sasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
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
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
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
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

Person

Patents Grantslast 30 patents

High-strength seamless steel pipe and method for manufacturing same

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

Martensitic stainless steel seamless pipe for oil country tubular g...

Duplex stainless steel seamless pipe and method for manufacturing same

Seamless pipe and method for manufacturing same

Stainless steel seamless pipe

Martensitic stainless steel seamless pipe for oil country tubular g...

Martensitic stainless steel seamless pipe for oil country tubular g...

Duplex stainless steel and method for producing same

Dual-phase stainless steel, and method of production thereof

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...

Martensitic stainless steel seamless pipe for oil country tubular g...

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

High-strength stainless steel seamless pipe for oil country tubular...

High-strength stainless steel seamless pipe for oil country tubular...

High strength seamless stainless steel pipe and method for producin...

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...

Abrasion-resistant steel plate and method for manufacturing the same

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

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

High-tensile-strength steel plate and process for producing same

Weld joint

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

Patents Applicationslast 30 patents

DUPLEX STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING THE SAME

HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR...

STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME

ALLOY PIPE AND METHOD FOR PRODUCING SAME

DUAL-PHASE STAINLESS STEEL AND DUAL-PHASE STAINLESS STEEL SEAMLESS...

STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING STAINLES...

HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR...

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

STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME

SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME

HIGH-STRENGTH SEAMLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING STAINLES...

HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELL

HIGH-STRENGTH SEAMLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

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

STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME

STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME

DUPLEX STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME, AND DUPLE...

STAINLESS STEEL SEAMLESS PIPE

MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...

DUPLEX STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME

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

MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...

MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...

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

MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...

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