Inventor
MATSUSHITA MUNEO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “MATSUSHITA MUNEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
18 patentsUS9821407B2Nov 21, 2017
Friction stir welding method for structural steel and method of manufacturing joint for structural steel
JFE STEEL CORP2 citations72
US10189111B2Jan 29, 2019
Indirect spot welding method
JFE STEEL CORP2 citations71
US12337408B2Jun 24, 2025
Electrical steel strip friction stir welding method and method of producing electrical steel strip
JFE STEEL CORP2 citations66
US12208462B2Jan 28, 2025
Steel sheet assembly, method of manufacturing steel sheet assembly, and spot welding process
JFE STEEL CORP0 citations62
US11446757B2Sep 20, 2022
Double-sided friction stir welding method for metal sheets and double-sided friction stir welding device
JFE STEEL CORP1 citations62
US10207354B2Feb 19, 2019
Indirect spot welding apparatus
JFE STEEL CORP1 citations62
US12186828B2Jan 7, 2025
Double-sided friction stir welding method, methods for producing cold-rolled steel strip and coated steel strip, double-sided friction stir welding apparatus, and facilities for producing cold-rolled steel strip and coated steel strip
JFE STEEL CORP1 citations61
US12097571B2Sep 24, 2024
Double-side friction stir welding method and double-side friction stir welding device for metal sheets or metal plates
JFE STEEL CORP0 citations51
US11241755B2Feb 8, 2022
Friction stir welding method and apparatus for structural steel
JFE STEEL CORP0 citations51
US9833861B2Dec 5, 2017
Friction stir welding method for steel sheets and method of manufacturing joint
JFE STEEL CORP1 citations51
US11992892B2May 28, 2024
Resistance spot welding method and method for producing resistance spot welded joint
JFE STEEL CORP0 citations50
US12544851B2Feb 10, 2026
Resistance spot welding method and method for manufacturing resistance spot welded joint
JFE STEEL CORP0 citations49
US12533745B2Jan 27, 2026
Electrical steel strip welded joint and friction stir welding method, and method of producing electrical steel strip
JFE STEEL CORP0 citations49
US12410492B2Sep 9, 2025
Resistance spot weld, resistance spot welding method, resistance spot welded joint, and method for manufacturing resistance spot welded joint
JFE STEEL CORP0 citations48
US12194562B2Jan 14, 2025
Rotating tool for double-sided friction stir welding, double-sided friction stir welding apparatus, and double-sided friction stir welding method
JFE STEEL CORP0 citations47
US10766099B2Sep 8, 2020
Friction stir welding apparatus for structural steel
JFE STEEL CORP0 citations41
US10207353B2Feb 19, 2019
Indirect spot welding method
JFE STEEL CORP0 citations41
US10005151B2Jun 26, 2018
Friction stir welding method for steel sheets and method of manufacturing joint
JFE STEEL CORP0 citations41