Inventor
FUJIMOTO SACHIKO
JP3 patents
Patents
3 patentsUS12553005B2Feb 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
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