Inventor
GOTO SEIGO
JP8 patents
Patents
8 patentsUS11353144B2Jun 7, 2022
Threaded joint
JFE STEEL CORP4 citations71
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
US12110992B2Oct 8, 2024
Threaded joint of pipe and method for connecting same
JFE STEEL CORP0 citations50
US11905765B2Feb 20, 2024
Threaded joint for pipes
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
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
US12510443B2Dec 30, 2025
Make-up/break-out evaluation method for threaded joint for oil country tubular goods
JFE STEEL CORP0 citations46