Inventor
HASE KAZUKUNI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “HASE KAZUKUNI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
26 patentsUS11118240B2Sep 14, 2021
Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate
JFE STEEL CORP2 citations72
US10036079B2Jul 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
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
US11111556B2Sep 7, 2021
Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate
JFE STEEL CORP0 citations62
US11035017B2Jun 15, 2021
Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate
JFE STEEL CORP1 citations62
US11035018B2Jun 15, 2021
Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate
JFE STEEL CORP1 citations62
US7827842B2Nov 9, 2010
Hot forging facility
JFE STEEL CORP5 citations62
US7806992B2Oct 5, 2010
Hot forged product with excellent fatigue strength, method for making the same, and machine structural part made from the same
JFE STEEL CORP4 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
US11174543B2Nov 16, 2021
Case hardening steel, method of producing case hardening steel, and method of producing gear part
JFE STEEL CORP0 citations51
US10774534B2Sep 15, 2020
Deformed reinforcing bar
JFE STEEL CORP0 citations51
US9618070B2Apr 11, 2017
Spring steel and method for manufacturing the same
JFE STEEL CORP0 citations50
US11236405B2Feb 1, 2022
Steel plate for high-strength and high-toughness steel pipes and method for producing steel plate
JFE STEEL CORP0 citations48
US12037666B2Jul 16, 2024
Steel material for line pipes, method for producing the same, and method for producing line pipe
JFE STEEL CORP0 citations47
US11401568B2Aug 2, 2022
Steel material for line pipes, method for producing the same, and method for producing line pipe
JFE STEEL CORP0 citations47
US11060172B2Jul 13, 2021
Abrasion-resistant steel plate and method of manufacturing same
JFE STEEL CORP0 citations47
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
KAWASAKI STEEL CO
2 patentsUS6162389ADec 19, 2000
High-strength and high-toughness non heat-treated steel having excellent machinability
KAWASAKI STEEL CO26 citations92
US6454881B1Sep 24, 2002
Non-refined steel being reduced in anisotropy of material and excellent in strength, toughness and machinability
KAWASAKI STEEL CO7 citations73