Inventor
ICHIMIYA KATSUYUKI
JP17 patents
Patents
17 patentsUS10036079B2Jul 31, 2018
Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet
JFE STEEL CORP2 citations72
US10023946B2Jul 17, 2018
Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet
JFE STEEL CORP2 citations72
US10000833B2Jun 19, 2018
Thick, tough, high tensile strength steel plate and production method therefor
JFE STEEL CORP4 citations72
US9777358B2Oct 3, 2017
Thick-walled, high tensile strength steel with excellent CTOD characteristics of the weld heat-affected zone, and manufacturing method thereof
JFE STEEL CORP2 citations72
US10351926B2Jul 16, 2019
High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for same
JFE STEEL CORP2 citations69
US11332799B2May 17, 2022
Case hardening steel, method of producing the same, and method of producing gear parts
JFE STEEL CORP1 citations62
US11401591B2Aug 2, 2022
Method for selecting rail steel and wheel steel
JFE STEEL CORP1 citations61
US11111555B2Sep 7, 2021
Method for producing rail
JFE STEEL CORP0 citations61
US10450627B2Oct 22, 2019
Thick steel plate having good multipass weld joint CTOD characteristics and method for manufacturing the same
JFE STEEL CORP1 citations61
US10358688B2Jul 23, 2019
Steel plate and method of producing same
JFE STEEL CORP1 citations61
US10443110B2Oct 15, 2019
High toughness and high tensile strength thick steel plate and production method therefor
JFE STEEL CORP1 citations59
US11326238B2May 10, 2022
Steel material for high heat input welding
JFE STEEL CORP0 citations58
US10041159B2Aug 7, 2018
Thick steel plate and production method for thick steel plate
JFE STEEL CORP0 citations51
US12597542B2Apr 7, 2026
Soft magnetic iron
JFE STEEL CORP0 citations48
US11299798B2Apr 12, 2022
Steel plate and method of producing same
JFE STEEL CORP0 citations45
US10316385B2Jun 11, 2019
High-tensile-strength steel plate and process for producing same
JFE STEEL CORP0 citations41
US10300564B2May 28, 2019
Weld joint
JFE STEEL CORP0 citations41