Inventor
ISHIGURO YASUHIDE
JP35 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGURO YASUHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
29 patentsUS11306369B2Apr 19, 2022
High-strength stainless steel seamless pipe for oil country tubular goods, and method for producing same
JFE STEEL CORP7 citations85
US10151011B2Dec 11, 2018
High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the same
JFE STEEL CORP8 citations83
US9708681B2Jul 18, 2017
High-strength seamless steel pipe for oil well use having excellent resistance to sulfide stress cracking
JFE STEEL CORP13 citations83
US9758850B2Sep 12, 2017
High strength stainless steel seamless pipe with excellent corrosion resistance for oil well and method of manufacturing the same
JFE STEEL CORP3 citations73
US11085095B2Aug 10, 2021
High-strength seamless stainless steel pipe for oil country tubular goods and method of manufacturing high-strength seamless stainless steel pipe
JFE STEEL CORP3 citations72
US11072835B2Jul 27, 2021
High-strength seamless stainless steel pipe for oil country tubular goods, and method for producing the same
JFE STEEL CORP2 citations72
US10876182B2Dec 29, 2020
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
JFE STEEL CORP2 citations72
US10876183B2Dec 29, 2020
High-strength seamless stainless steel pipe and method of manufacturing high-strength seamless stainless steel pipe
JFE STEEL CORP4 citations72
US10844453B2Nov 24, 2020
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
JFE STEEL CORP2 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
US11486531B2Nov 1, 2022
Thermal-insulated multi-walled pipe for superconducting power transmission
JFE STEEL CORP0 citations62
US11075508B2Jul 27, 2021
Thermal-insulated multi-walled pipe for superconducting power transmission and laying method therefor
JFE STEEL CORP1 citations62
US10971286B2Apr 6, 2021
Thermal-insulated multi-walled pipe for superconducting power transmission
JFE STEEL CORP0 citations62
US10240221B2Mar 26, 2019
Stainless steel seamless pipe for oil well use and method for manufacturing the same
JFE STEEL CORP1 citations62
US12553005B2Feb 17, 2026
Agent for forming solid lubricating coating film, oil country tubular goods, and threaded joint for oil country tubular goods
JFE STEEL CORP0 citations59
US12448581B2Oct 21, 2025
Agent, oil country tubular goods, and threaded joint for oil country tubular goods
JFE STEEL CORP0 citations59
US11414719B2Aug 16, 2022
High strength stainless steel seamless pipe for oil country tubular goods
JFE STEEL CORP0 citations51
US11286548B2Mar 29, 2022
High-strength stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same
JFE STEEL CORP0 citations51
US10920297B2Feb 16, 2021
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
JFE STEEL CORP0 citations51
US10023930B2Jul 17, 2018
Method of manufacturing high strength stainless steel tube or pipe
JFE STEEL CORP0 citations51
US7942984B2May 17, 2011
Steel pipe with good magnetic properties and method of producing the same
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
US10151012B2Dec 11, 2018
High-strength stainless steel pipe
JFE STEEL CORP1 citations49
US12312552B2May 27, 2025
Agent for forming solid lubricating coating film, oil country tubular goods, threaded joint for oil country tubular goods, and method for manufacturing oil country tubular goods
JFE STEEL CORP0 citations48
US10329633B2Jun 25, 2019
High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same
JFE STEEL CORP0 citations47
US12510443B2Dec 30, 2025
Make-up/break-out evaluation method for threaded joint for oil country tubular goods
JFE STEEL CORP0 citations46
US9506132B2Nov 29, 2016
Method for manufacturing heavy wall steel pipe
JFE STEEL CORP0 citations41
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
NIPPON KOKAN KK
2 patentsISHIGURO YASUHIDE
2 patentsUS9932651B2Apr 3, 2018
Thick-walled high-strength seamless steel pipe with excellent sour resistance for pipe for pipeline, and process for producing same
ISHIGURO YASUHIDE2 citations66
US8608871B2Dec 17, 2013
High-strength steel tube having excellent chemical conversion treatability and excellent formability and method for manufacturing the same
ISHIGURO YASUHIDE1 citations42