Inventor
KASAI MASAYUKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “KASAI MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
5 patentsUS12522906B2Jan 13, 2026
Free-cutting steel and method for manufacturing same
JFE STEEL CORP0 citations59
US12404573B2Sep 2, 2025
Free-cutting steel and manufacturing method thereof
JFE STEEL CORP0 citations59
US11959177B2Apr 16, 2024
Steel for nitrocarburizing and nitrocarburized component, and methods of producing same
JFE STEEL CORP0 citations51
US11242593B2Feb 8, 2022
Steel for nitrocarburizing, and component
JFE STEEL CORP0 citations47
US11814709B2Nov 14, 2023
Steel for nitrocarburizing and nitrocarburized component, and methods of producing same
JFE STEEL CORP0 citations45