Inventor
YAMAGUCHI HIROI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI HIROI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
18 patentsUS9646749B2May 9, 2017
Grain-oriented electrical steel sheet
JFE STEEL CORP6 citations73
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
US9708682B2Jul 18, 2017
Production method for grain-oriented electrical steel sheet
JFE STEEL CORP6 citations72
US10031068B2Jul 24, 2018
Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing method
JFE STEEL CORP2 citations69
US11198917B2Dec 14, 2021
Method for nitriding grain-oriented electrical steel sheet
JFE STEEL CORP0 citations62
US12467106B2Nov 11, 2025
Method of producing grain-oriented electrical steel sheet and annealing separator application line
JFE STEEL CORP0 citations52
US10214793B2Feb 26, 2019
Method and device for nitriding grain-oriented electrical steel sheet
JFE STEEL CORP0 citations52
US10011886B2Jul 3, 2018
Grain-oriented electrical steel sheet and manufacturing method thereof
JFE STEEL CORP0 citations52
US9875832B2Jan 23, 2018
Grain-oriented electrical steel sheet
JFE STEEL CORP1 citations52
US6758915B2Jul 6, 2004
Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the same
JFE STEEL CORP1 citations52
US10066286B2Sep 4, 2018
Apparatus and method for nitriding grain-oriented electrical steel sheet
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
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
US9905343B2Feb 27, 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
US11286538B2Mar 29, 2022
Method for manufacturing grain-oriented electrical steel sheet
JFE STEEL CORP0 citations50
US9304078B2Apr 5, 2016
Electron gun abnormality detecting device and electron gun abnormality detecting method
JFE STEEL CORP0 citations38
OMURA TAKESHI
6 patentsUS9330839B2May 3, 2016
Grain oriented electrical steel sheet and method for manufacturing the same
OMURA TAKESHI7 citations84
US9406437B2Aug 2, 2016
Grain oriented electrical steel sheet and method for manufacturing the same
OMURA TAKESHI7 citations83
US9536658B2Jan 3, 2017
Grain oriented electrical steel sheet and method for manufacturing the same
OMURA TAKESHI6 citations73
US9514868B2Dec 6, 2016
Grain oriented electrical steel sheet and method for manufacturing the same
OMURA TAKESHI5 citations73
US9536657B2Jan 3, 2017
Grain oriented electrical steel sheet and method for manufacturing the same
OMURA TAKESHI2 citations72
US8784995B2Jul 22, 2014
Grain oriented electrical steel sheet and method for manufacturing the same
OMURA TAKESHI5 citations72
KAWASAKI STEEL CO
5 patentsUS5853499ADec 29, 1998
Grain-oriented electrical steel sheet and method of manufacturing the same
KAWASAKI STEEL CO22 citations92
US5718775AFeb 17, 1998
Grain-oriented electrical steel sheet and method of manufacturing the same
KAWASAKI STEEL CO27 citations92
US6136456AOct 24, 2000
Grain oriented electrical steel sheet and method
KAWASAKI STEEL CO16 citations84
US5725681AMar 10, 1998
Process for producing grain oriented silicon steel sheet, and decarburized sheet
KAWASAKI STEEL CO10 citations73
US5885374AMar 23, 1999
Process for producing grain oriented silicon steel sheet and decarburized sheet
KAWASAKI STEEL CO3 citations58