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Takeaki Wakisaka
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
12,276,004
Issue date
Apr 15, 2025
Nippon Steel Corporation
Tesshu Murakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Laminated core with some electrical steel sheets adhered with adhes...
Patent number
12,081,068
Issue date
Sep 3, 2024
Nippon Steel Corporation
Takeaki Wakisaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Laminated core with center electrical steel sheets adhered with adh...
Patent number
11,973,369
Issue date
Apr 30, 2024
Nippon Steel Corporation
Hiroshi Fujimura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Non oriented electrical steel sheet, iron core, manufacturing metho...
Patent number
11,859,265
Issue date
Jan 2, 2024
Nippon Steel Corporation
Ichiro Tanaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Non oriented electrical steel sheet, iron core, manufacturing metho...
Patent number
11,814,710
Issue date
Nov 14, 2023
Nippon Steel Corporation
Ichiro Tanaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Non oriented electrical steel sheet, iron core, manufacturing metho...
Patent number
11,749,429
Issue date
Sep 5, 2023
Nippon Steel Corporation
Takeaki Wakisaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Thin strip manufacture method
Patent number
11,618,072
Issue date
Apr 4, 2023
Nippon Steel Corporation
Masafumi Miyazaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Non-oriented electrical steel sheet and method for manufacturing no...
Patent number
11,566,303
Issue date
Jan 31, 2023
Nippon Steel Corporation
Takeshi Kubota
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for manufacturing no...
Patent number
11,469,018
Issue date
Oct 11, 2022
Nippon Steel Corporation
Takeshi Kubota
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for manufacturing no...
Patent number
11,459,632
Issue date
Oct 4, 2022
Nippon Steel Corporation
Takeshi Kubota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-oriented electrical steel sheet and method for manufacturing th...
Patent number
11,396,681
Issue date
Jul 26, 2022
Nippon Steel Corporation
Satoshi Kano
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
11,279,985
Issue date
Mar 22, 2022
Nippon Steel Corporation
Yoshiaki Natori
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented magnetic steel sheet and method of manufacturing the same
Patent number
10,354,784
Issue date
Jul 16, 2019
Nippon Steel & Sumitomo Metal Corporation
Kenichi Murakami
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and manufacturing method thereof
Patent number
9,595,376
Issue date
Mar 14, 2017
Nippon Steel & Sumitomo Metal Corporation
Masafumi Miyazaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Non-oriented electrical steel sheet and method of manufacturing non...
Patent number
9,570,219
Issue date
Feb 14, 2017
Nippon Steel & Sumitomo Metal Corporation
Yoshiaki Natori
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and manufacturing method thereof
Patent number
9,085,817
Issue date
Jul 21, 2015
Nippon Steel & Sumitomo Metal Corporation
Masafumi Miyazaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
8,591,671
Issue date
Nov 26, 2013
Nippon Steel & Sumitomo Metal Corporation
Takahide Shimazu
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, METHOD FOR MANUFAC...
Publication number
20250140456
Publication date
May 1, 2025
NIPPON STEEL CORPORATION
Ichiro TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
STACKED CORE AND ROTATING ELECTRICAL MACHINE
Publication number
20250132614
Publication date
Apr 24, 2025
NIPPON STEEL CORPORATION
Ryu HIRAYAMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
NON-GRAIN-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PUNCHING NON-...
Publication number
20240309498
Publication date
Sep 19, 2024
NIPPON STEEL CORPORATION
Takeaki WAKISAKA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240153684
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Takeaki WAKISAKA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, METHOD FOR MANUFAC...
Publication number
20240096531
Publication date
Mar 21, 2024
NIPPON STEEL CORPORATION
Ichiro TANAKA
B32 - LAYERED PRODUCTS
Information
Patent Application
NON ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, MANUFACTURING METHO...
Publication number
20240013959
Publication date
Jan 11, 2024
NIPPON STEEL CORPORATION
Takeaki WAKISAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, MANUFACTURING METHO...
Publication number
20230416892
Publication date
Dec 28, 2023
NIPPON STEEL CORPORATION
Ichiro TANAKA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, MANUFACTURING METHO...
Publication number
20230349032
Publication date
Nov 2, 2023
NIPPON STEEL CORPORATION
Ichiro TANAKA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, MANUFACTURING METHO...
Publication number
20230113209
Publication date
Apr 13, 2023
NIPPON STEEL CORPORATION
Ichiro TANAKA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, MANUFACTURING METHO...
Publication number
20230110399
Publication date
Apr 13, 2023
NIPPON STEEL CORPORATION
Takeaki WAKISAKA
C21 - METALLURGY OF IRON
Information
Patent Application
NON ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, MANUFACTURING METHO...
Publication number
20230106099
Publication date
Apr 6, 2023
NIPPON STEEL CORPORATION
Ichiro TANAKA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20220186330
Publication date
Jun 16, 2022
NIPPON STEEL CORPORATION
Tesshu MURAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
LAMINATED CORE AND ELECTRIC MOTOR
Publication number
20220006334
Publication date
Jan 6, 2022
NIPPON STEEL CORPORATION
Takeaki WAKISAKA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LAMINATED CORE AND ELECTRIC MOTOR
Publication number
20210399594
Publication date
Dec 23, 2021
NIPPON STEEL CORPORATION
Hiroshi FUJIMURA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
THIN STRIP MANUFACTURE METHOD
Publication number
20210213515
Publication date
Jul 15, 2021
NIPPON STEEL CORPORATION
Masafumi MIYAZAKI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING NO...
Publication number
20210172036
Publication date
Jun 10, 2021
NIPPON STEEL CORPORATION
Takeshi KUBOTA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING NO...
Publication number
20210062286
Publication date
Mar 4, 2021
NIPPON STEEL CORPORATION
Takeshi KUBOTA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING NO...
Publication number
20200350104
Publication date
Nov 5, 2020
NIPPON STEEL CORPORATION
Takeshi KUBOTA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20200040423
Publication date
Feb 6, 2020
NIPPON STEEL CORPORATION
Yoshiaki NATORI
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
Publication number
20180002776
Publication date
Jan 4, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Satoshi KANO
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED MAGNETIC STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
Publication number
20170194082
Publication date
Jul 6, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kenichi MURAKAMI
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF
Publication number
20150279531
Publication date
Oct 1, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masafumi MIYAZAKI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20140342150
Publication date
Nov 20, 2014
NIPPON STEEL & SUMITOMO METAL CORPORATION
Takeaki Wakisaka
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING NON...
Publication number
20140227127
Publication date
Aug 14, 2014
Yoshiaki Natori
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20120321502
Publication date
Dec 20, 2012
Takahide Shimazu
C21 - METALLURGY OF IRON