Inventor
SENDA KUNIHIRO
JP40 patents
⚠️ This page may combine multiple inventors who share the name “SENDA KUNIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
22 patentsUS9617615B2Apr 11, 2017
Grain-oriented electrical steel sheet and method for manufacturing same
JFE STEEL CORP2 citations73
US6929704B2Aug 16, 2005
Grain-oriented electromagnetic steel sheet
JFE STEEL CORP1 citations63
US11566302B2Jan 31, 2023
Grain-oriented electrical steel sheet and method for manufacturing same
JFE STEEL CORP0 citations62
US11117181B2Sep 14, 2021
Method of manufacturing laminated iron core
JFE STEEL CORP0 citations62
US11005345B2May 11, 2021
Punch processing method for electrical steel sheets and method for manufacturing laminated core
JFE STEEL CORP0 citations62
US10927430B2Feb 23, 2021
Material for laminated iron core, and method of manufacturing laminated iron core
JFE STEEL CORP1 citations62
US10919081B2Feb 16, 2021
Punching method, punching device, and method for manufacturing laminated iron core
JFE STEEL CORP0 citations62
US11990261B2May 21, 2024
Grain-oriented electrical steel sheet
JFE STEEL CORP0 citations61
US12371757B2Jul 29, 2025
Non-oriented electrical steel sheet and method for manufacturing same
JFE STEEL CORP0 citations60
US12255505B2Mar 18, 2025
Method for manufacturing motor core
JFE STEEL CORP0 citations60
US11923116B2Mar 5, 2024
Grain-oriented electrical steel sheet and method of producing same
JFE STEEL CORP0 citations60
US11866796B2Jan 9, 2024
Grain-oriented electrical steel sheet and production method therefor
JFE STEEL CORP1 citations60
US11551839B2Jan 10, 2023
Motor
JFE STEEL CORP0 citations60
US12531462B2Jan 20, 2026
Battery-driven motor and motor-driven system
JFE STEEL CORP0 citations59
US10910152B2Feb 2, 2021
Laminated core manufacturing apparatus and laminated core manufacturing method
JFE STEEL CORP1 citations56
US11114227B2Sep 7, 2021
Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet
JFE STEEL CORP0 citations52
US10898939B2Jan 26, 2021
Punch processing method for laminated iron core and method for manufacturing laminated iron core
JFE STEEL CORP0 citations52
US12553102B2Feb 17, 2026
Grain-oriented electrical steel sheet
JFE STEEL CORP0 citations50
US11198916B2Dec 14, 2021
Grain-oriented electrical steel sheet
JFE STEEL CORP0 citations50
US10906082B2Feb 2, 2021
Laminated core manufacturing apparatus and laminated core manufacturing method
JFE STEEL CORP0 citations45
US10629346B2Apr 21, 2020
Method of manufacturing grain-oriented electrical steel sheet
JFE STEEL CORP0 citations42
US10533969B2Jan 14, 2020
Method for predicting iron loss of non-oriented electrical steel sheet after shearing
JFE STEEL CORP0 citations41
KAWASAKI STEEL CO
16 patentsUS6083326AJul 4, 2000
Grain-oriented electromagnetic steel sheet
KAWASAKI STEEL CO18 citations92
US5853499ADec 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
US5885371AMar 23, 1999
Method of producing grain-oriented magnetic steel sheet
KAWASAKI STEEL CO37 citations91
US6039818AMar 21, 2000
Grain-oriented electromagnetic steel sheet and process for producing the same
KAWASAKI STEEL CO17 citations90
US6280534B1Aug 28, 2001
Grain oriented electromagnetic steel sheet and manufacturing thereof
KAWASAKI STEEL CO16 citations84
US6444050B1Sep 3, 2002
Grain-oriented electromagnetic steel sheet
KAWASAKI STEEL CO8 citations74
US6110298AAug 29, 2000
Grain-oriented electrical steel sheet excellent in magnetic characteristics and production process for same
KAWASAKI STEEL CO13 citations74
US6103022AAug 15, 2000
Grain oriented electrical steel sheet having very low iron loss and production process for same
KAWASAKI STEEL CO12 citations74
US6602357B2Aug 5, 2003
Grain oriented electrical steel sheet with low iron loss and production method for same
KAWASAKI STEEL CO7 citations73
US6475304B2Nov 5, 2002
Grain-oriented silicon steel sheet and process for production thereof
KAWASAKI STEEL CO5 citations73
US6331215B1Dec 18, 2001
Process for producing grain-oriented electromagnetic steel sheet
KAWASAKI STEEL CO13 citations71
US5665455ASep 9, 1997
Low-iron-loss grain-oriented electromagnetic steel sheet and method of producing the same
KAWASAKI STEEL CO15 citations70
US6287392B1Sep 11, 2001
Grain-oriented silicon steel sheet and process for production thereof
KAWASAKI STEEL CO4 citations62
US5665178ASep 9, 1997
Method of manufacturing grain-oriented silicon steel sheet having excellent magnetic characteristics
KAWASAKI STEEL CO3 citations62
US6364963B1Apr 2, 2002
Grain oriented electrical steel sheet having very low iron loss and production process for same
KAWASAKI STEEL CO0 citations52