P

Inventor

TAKEDA KAZUTOSHI

JP97 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA KAZUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON STEEL CORP

32 patents
US5945212AAug 31, 1999

Insulating film treating agent having extremely excellent film characteristics and production method for non-oriented electrical steel sheet using the treating agent

NIPPON STEEL CORP33 citations90
US6461741B1Oct 8, 2002

Grain-oriented electromagnetic steel sheet with excellent coating properties and process for its manufacture

NIPPON STEEL CORP14 citations84
US6159534ADec 12, 2000

Method for producing non-oriented electromagnetic steel sheet having insulating film excellent in film properties

NIPPON STEEL CORP14 citations74
US11742129B2Aug 29, 2023

Adhesively-laminated core, manufacturing method thereof, and electric motor

NIPPON STEEL CORP2 citations73
US12074476B2Aug 27, 2024

Adhesively-laminated core for stator and electric motor

NIPPON STEEL CORP2 citations72
US11996231B2May 28, 2024

Laminated core and electric motor

NIPPON STEEL CORP2 citations72
US11749431B2Sep 5, 2023

Electrical steel sheet, laminated core, and laminated core manufacturing method

NIPPON STEEL CORP2 citations72
US11710990B2Jul 25, 2023

Laminated core with circumferentially spaced adhesion parts on teeth

NIPPON STEEL CORP2 citations70
US11279985B2Mar 22, 2022

Non-oriented electrical steel sheet

NIPPON STEEL CORP2 citations69
US12266971B2Apr 1, 2025

Adhesively-laminated core for stator, method of manufacturing the same, and electric motor

NIPPON STEEL CORP1 citations64
US11499055B2Nov 15, 2022

Coating solution for forming insulating film for grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet

NIPPON STEEL CORP0 citations63
US7850792B2Dec 14, 2010

Grain-oriented electrical steel sheet having insulating film not containing chromium and insulating film agent of same

NIPPON STEEL CORP6 citations63
US6383650B1May 7, 2002

Non-oriented electromagnetic steel sheet having insulating film excellent in film properties

NIPPON STEEL CORP5 citations63
US12421568B2Sep 23, 2025

Non-oriented electrical steel sheet and method of manufacturing the same

NIPPON STEEL CORP0 citations62
US12371599B2Jul 29, 2025

Coating composition for electrical steel sheet, adhesive surface-coated electrical steel sheet and laminated core

NIPPON STEEL CORP0 citations62
US12344759B2Jul 1, 2025

Coating composition for electrical steel sheet, electrical steel sheet, laminated core, and rotary electric machine

NIPPON STEEL CORP0 citations62
US12261482B2Mar 25, 2025

Laminated core and electric motor

NIPPON STEEL CORP0 citations62
US12215398B2Feb 4, 2025

Coating liquid for forming insulation coating for grain-oriented electrical steel sheets, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet

NIPPON STEEL CORP0 citations62
US12157921B2Dec 3, 2024

Coating liquid for forming insulation coating for grain-oriented electrical steel sheet, method of manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheet

NIPPON STEEL CORP0 citations62
US12148555B2Nov 19, 2024

Non-oriented electrical steel sheet

NIPPON STEEL CORP1 citations62
US12104096B2Oct 1, 2024

Laminated core, laminated core manufacturing method, and electric motor

NIPPON STEEL CORP1 citations62
US12037511B2Jul 16, 2024

Coating composition for electrical steel sheet, surface-coated electrical steel sheet for adhesion and laminated core

NIPPON STEEL CORP0 citations62
US12033776B2Jul 9, 2024

Non-oriented electrical steel sheet and method for manufacturing same

NIPPON STEEL CORP0 citations62
US11866797B2Jan 9, 2024

Non-oriented electrical steel sheet

NIPPON STEEL CORP0 citations62
US11855485B2Dec 26, 2023

Laminated core, method of manufacturing same, and electric motor

NIPPON STEEL CORP1 citations62
US7887646B2Feb 15, 2011

Oriented magnetic steel plate excellent in coating adhesion and method of production of same

NIPPON STEEL CORP5 citations62
US12424360B2Sep 23, 2025

Grain-oriented electrical steel sheet and method for manufacturing same

NIPPON STEEL CORP1 citations61
US12215399B2Feb 4, 2025

Non-oriented electrical steel sheet and method for producing same

NIPPON STEEL CORP0 citations61
US12084750B2Sep 10, 2024

Non-oriented electrical steel sheet and method for manufacturing same

NIPPON STEEL CORP0 citations61
US11535943B2Dec 27, 2022

Grain-oriented electrical steel sheet

NIPPON STEEL CORP0 citations61
US11053574B2Jul 6, 2021

Non-oriented electrical steel sheet

NIPPON STEEL CORP0 citations61
US11021771B2Jun 1, 2021

Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet

NIPPON STEEL CORP0 citations61

SEIKO INSTR & ELECTRONICS

4 patents

NIPPON STEEL & SUMITOMO METAL CORP

3 patents

DAIFUKU KK

2 patents

SEIKO ELECTRONIC COMPONENTS

2 patents

HITACHI LTD

2 patents

SEIKO INSTR INC

1 patent

TAKEDA KAZUTOSHI

1 patent

HONDA MOTOR CO LTD

1 patent

TAKAHASHI FUMIAKI

1 patent

KITAGAWA IND CO LTD

1 patent

Showing the top 50 of 97 patents by PatentIndex Score.