P

Inventor

TERASHIMA TAKASHI

JP53 patents
⚠️ This page may combine multiple inventors who share the name “TERASHIMA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JFE STEEL CORP

41 patents
US9194016B2Nov 24, 2015

Annealing separator for grain-oriented electromagnetic steel sheet

JFE STEEL CORP7 citations84
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
US10395807B2Aug 27, 2019

Grain-oriented electrical steel sheet having excellent magnetic characteristics and coating adhesion

JFE STEEL CORP2 citations73
US10087529B2Oct 2, 2018

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

JFE STEEL CORP2 citations73
US7465361B2Dec 16, 2008

Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet

JFE STEEL CORP4 citations63
US12104257B2Oct 1, 2024

Electrical steel sheet with insulating film

JFE STEEL CORP0 citations62
US12104216B2Oct 1, 2024

Annealing separator for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheet

JFE STEEL CORP0 citations62
US12033791B2Jul 9, 2024

Method for forming film and method for manufacturing electrical steel sheet with insulating film

JFE STEEL CORP0 citations62
US11981821B2May 14, 2024

Insulating coating treatment liquid, and grain-oriented electrical steel sheet having insulating coating and method for producing the same

JFE STEEL CORP0 citations62
US11926888B2Mar 12, 2024

Annealing separator for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheet

JFE STEEL CORP0 citations62
US11894167B2Feb 6, 2024

Grain-oriented electrical steel sheet, iron core of transformer, transformer, and method for reducing noise of transformer

JFE STEEL CORP0 citations62
US11692272B2Jul 4, 2023

Coated metal, coating-forming treatment solution, and method for producing coated metal

JFE STEEL CORP0 citations62
US11280003B2Mar 22, 2022

Coated metal, coating-forming treatment solution, and method for producing coated metal

JFE STEEL CORP0 citations62
US11198917B2Dec 14, 2021

Method for nitriding grain-oriented electrical steel sheet

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
US12442053B2Oct 14, 2025

Grain-oriented electrical steel sheet, method for manufacturing grain-oriented electrical steel sheet, and method for evaluating grain-oriented electrical steel sheet

JFE STEEL CORP0 citations61
US11781196B2Oct 10, 2023

Grain-oriented electromagnetic steel sheet and method of producing grain-oriented electromagnetic steel sheet

JFE STEEL CORP0 citations61
US11473176B2Oct 18, 2022

Oriented electrical steel sheet and method for producing same

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
US12480176B2Nov 25, 2025

Method of manufacturing grain-oriented electrical steel sheet

JFE STEEL CORP0 citations59
US11923115B2Mar 5, 2024

Insulating coating-attached electrical steel sheet and manufacturing method therefor

JFE STEEL CORP0 citations57
US12486554B2Dec 2, 2025

Method of determining final annealing conditions for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheet using method of determining thereof

JFE STEEL CORP0 citations52
US12488919B2Dec 2, 2025

Method of producing grain-oriented electrical steel sheet

JFE STEEL CORP0 citations52
US12467106B2Nov 11, 2025

Method of producing grain-oriented electrical steel sheet and annealing separator application line

JFE STEEL CORP0 citations52
US10458021B2Oct 29, 2019

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

JFE STEEL CORP0 citations52
US10435791B2Oct 8, 2019

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

JFE STEEL CORP0 citations52
US10214793B2Feb 26, 2019

Method and device for nitriding grain-oriented electrical steel sheet

JFE STEEL CORP0 citations52
US12312694B2May 27, 2025

Production method for treatment solution for forming insulating coating, production method for steel sheet having insulating coating, and production apparatus for treatment solution for forming insulating coating

JFE STEEL CORP0 citations51
US12234523B2Feb 25, 2025

Grain-oriented electrical steel sheet with insulating film and method for manufacturing the same

JFE STEEL CORP0 citations51
US12104217B2Oct 1, 2024

Grain-oriented electrical steel sheet and production method therefor

JFE STEEL CORP0 citations51
US11293070B2Apr 5, 2022

Grain-oriented electrical steel sheet

JFE STEEL CORP0 citations51
US10066286B2Sep 4, 2018

Apparatus and method for nitriding grain-oriented electrical steel sheet

JFE STEEL CORP0 citations51
US9953752B2Apr 24, 2018

Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet

JFE STEEL CORP1 citations51
US12163232B2Dec 10, 2024

Treatment agent for chromium-free insulating coating formation, insulation-coated grain-oriented electrical steel sheet, and method for manufacturing the same

JFE STEEL CORP0 citations50
US10982329B2Apr 20, 2021

Insulation-coated oriented magnetic steel sheet and method for manufacturing same

JFE STEEL CORP0 citations50
US10920323B2Feb 16, 2021

Insulating-coated oriented magnetic steel sheet and method for manufacturing same

JFE STEEL CORP0 citations50
US10294543B2May 21, 2019

Method for producing grain-oriented electrical steel sheet

JFE STEEL CORP0 citations42
US10294544B2May 21, 2019

Method for producing grain-oriented electrical steel sheet

JFE STEEL CORP0 citations41

SHOWA DENKO KK

4 patents

SONY CORP

3 patents

MEIJI GOMU KASEI KK

1 patent

NISSEI PLASTICS IND CO

1 patent

Showing the top 50 of 53 patents by PatentIndex Score.