Inventor
FUJIMURA KAZUKI
JP10 patents
Patents
10 patentsUS10876183B2Dec 29, 2020
High-strength seamless stainless steel pipe and method of manufacturing high-strength seamless stainless steel pipe
JFE STEEL CORP4 citations72
US10640856B2May 5, 2020
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
JFE STEEL CORP2 citations72
US10472690B2Nov 12, 2019
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
JFE STEEL CORP2 citations72
US12157937B2Dec 3, 2024
Duplex stainless steel seamless pipe and method for manufacturing same
JFE STEEL CORP0 citations61
US11111566B2Sep 7, 2021
Low alloy high strength seamless steel pipe for oil country tubular goods
JFE STEEL CORP0 citations61
US12509752B2Dec 30, 2025
Dual-phase stainless steel and dual-phase stainless steel seamless pipe
JFE STEEL CORP0 citations50
US12264376B2Apr 1, 2025
Duplex stainless steel and method for manufacturing same, and duplex stainless steel pipe
JFE STEEL CORP0 citations50
US11193179B2Dec 7, 2021
Seamless stainless steel pipe for oil country tubular goods and method of manufacturing the same
JFE STEEL CORP0 citations49
US10329633B2Jun 25, 2019
High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same
JFE STEEL CORP0 citations47
US9995669B2Jun 12, 2018
Round bar tensile test specimen for sulfide stress corrosion cracking test of a steel, test method for sulfide stress corrosion cracking of steel, and seamless steel pipe having excellent resistance to sulfide stress corrosion cracking
JFE STEEL CORP0 citations36