Inventor
TAKAJO SHIGEHIRO
JP37 patents
Patents
37 patentsUS11387025B2Jul 12, 2022
Grain-oriented electrical steel sheet and production method therefor
JFE STEEL CORP2 citations73
US10697038B2Jun 30, 2020
Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core
JFE STEEL CORP2 citations73
US10147527B2Dec 4, 2018
Grain-oriented electrical steel sheet and method for manufacturing same
JFE STEEL CORP4 citations73
US9761361B2Sep 12, 2017
Grain-oriented electrical steel sheet
JFE STEEL CORP2 citations73
US9646749B2May 9, 2017
Grain-oriented electrical steel sheet
JFE STEEL CORP6 citations73
US9617615B2Apr 11, 2017
Grain-oriented electrical steel sheet and method for manufacturing same
JFE STEEL CORP2 citations73
US11045902B2Jun 29, 2021
Linear groove formation method and linear groove formation device
JFE STEEL CORP2 citations72
US10745773B2Aug 18, 2020
Device to improve iron loss properties of grain-oriented electrical steel sheet
JFE STEEL CORP2 citations72
US10395806B2Aug 27, 2019
Grain-oriented electrical steel sheet and method of manufacturing the same
JFE STEEL CORP3 citations72
US9984800B2May 29, 2018
Grain-oriented electrical steel sheet and method of manufacturing same
JFE STEEL CORP4 citations72
US10031068B2Jul 24, 2018
Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing method
JFE STEEL CORP2 citations69
US11767571B2Sep 26, 2023
Method of producing grain-oriented electrical steel sheet and production line therefor
JFE STEEL CORP0 citations62
US11225698B2Jan 18, 2022
Grain-oriented electrical steel sheet and process for producing same
JFE STEEL CORP1 citations62
US11031163B2Jun 8, 2021
Grain-oriented electrical steel sheet and method for manufacturing the same
JFE STEEL CORP0 citations62
US10988822B2Apr 27, 2021
Grain-oriented electrical steel sheet and method for manufacturing same
JFE STEEL CORP0 citations62
US10889875B2Jan 12, 2021
Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core
JFE STEEL CORP0 citations62
US10704113B2Jul 7, 2020
Grain oriented electrical steel sheet and production method therefor
JFE STEEL CORP1 citations62
US10559410B2Feb 11, 2020
Grain-oriented electrical steel sheet and transformer iron core using same
JFE STEEL CORP1 citations62
US10465259B2Nov 5, 2019
Grain-oriented electrical steel sheet and production method therefor
JFE STEEL CORP1 citations62
US11781196B2Oct 10, 2023
Grain-oriented electromagnetic steel sheet and method of producing grain-oriented electromagnetic steel sheet
JFE STEEL CORP0 citations61
US11377706B2Jul 5, 2022
Device to improve iron loss properties of grain-oriented electrical steel sheet
JFE STEEL CORP0 citations61
US11326219B2May 10, 2022
Grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet
JFE STEEL CORP0 citations61
US11180834B2Nov 23, 2021
Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheet
JFE STEEL CORP0 citations61
US11091842B2Aug 17, 2021
Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheet
JFE STEEL CORP0 citations61
US10968521B2Apr 6, 2021
Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheet
JFE STEEL CORP0 citations61
US12467104B2Nov 11, 2025
Method for forming grooves on metal strip surface and method for manufacturing grain-oriented electrical steel sheet
JFE STEEL CORP0 citations52
US10020101B2Jul 10, 2018
Grain-oriented electrical steel sheet and method for producing same
JFE STEEL CORP0 citations52
US10011886B2Jul 3, 2018
Grain-oriented electrical steel sheet and manufacturing method thereof
JFE STEEL CORP0 citations52
US10889871B2Jan 12, 2021
Method of manufacturing grain-oriented electrical steel sheet exhibiting low iron loss
JFE STEEL CORP0 citations51
US10535453B2Jan 14, 2020
Grain-oriented electrical steel sheet and method for manufacturing the same
JFE STEEL CORP0 citations51
US10062483B2Aug 28, 2018
Grain-oriented electrical steel sheet and method for improving iron loss properties thereof
JFE STEEL CORP1 citations51
US10026533B2Jul 17, 2018
Grain-oriented electrical steel sheet for iron core and method of manufacturing the same
JFE STEEL CORP1 citations51
US12404563B2Sep 2, 2025
Linear groove formation method and method for producing grain-oriented electrical steel sheet
JFE STEEL CORP0 citations50
US12195816B2Jan 14, 2025
Linear groove formation method and linear groove forming apparatus, and method for manufacturing grain-oriented electrical steel sheet
JFE STEEL CORP0 citations50
US9939382B2Apr 10, 2018
Method of checking forsterite, apparatus that evaluates forsterite, and production line that manufactures steel sheet
JFE STEEL CORP1 citations49
US10730102B2Aug 4, 2020
Apparatus for manufacturing metal thin strip
JFE STEEL CORP0 citations42
US9304078B2Apr 5, 2016
Electron gun abnormality detecting device and electron gun abnormality detecting method
JFE STEEL CORP0 citations38