Tomoyuki Okubo

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Motor core and method of manufacturing the same
- Patent number 12,348,079
- Issue date Jul 1, 2025
- JFE Steel Corporation
- Takaaki Tanaka
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method for producing same
- Patent number 12,331,376
- Issue date Jun 17, 2025
- JFE Steel Corporation
- Tomoyuki Okubo
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method for manufacturing sl...
- Patent number 12,146,209
- Issue date Nov 19, 2024
- JFE Steel Corporation
- Akifumi Harada
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing non-oriented electrical steel sheet, method fo...
- Patent number 11,962,184
- Issue date Apr 16, 2024
- JFE Steel Corporation
- Yoshiaki Zaizen
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing a non-oriented electrical steel sheet
- Patent number 11,946,123
- Issue date Apr 2, 2024
- JFE Steel Corporation
- Masanori Uesaka
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electrical steel sheet, iron core of transformer, tr...
- Patent number 11,894,167
- Issue date Feb 6, 2024
- JFE Steel Corporation
- Takashi Terashima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Non-oriented electrical steel sheet
- Patent number 11,732,319
- Issue date Aug 22, 2023
- JFE Steel Corporation
- Yoshihiko Oda
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method for producing same,...
- Patent number 11,718,891
- Issue date Aug 8, 2023
- JFE Steel Corporation
- Yoshiaki Zaizen
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method of producing same
- Patent number 11,649,532
- Issue date May 16, 2023
- JFE Steel Corporation
- Masanori Uesaka
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method for producing same,...
- Patent number 11,525,169
- Issue date Dec 13, 2022
- JFE Steel Corporation
- Yoshiaki Zaizen
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method for manufacturing th...
- Patent number 11,404,189
- Issue date Aug 2, 2022
- JFE Steel Corporation
- Tomoyuki Okubo
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method of producing same
- Patent number 11,286,537
- Issue date Mar 29, 2022
- JFE Steel Corporation
- Yoshihiko Oda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing non-oriented electrical steel sheet
- Patent number 11,225,699
- Issue date Jan 18, 2022
- JFE Steel Corporation
- Yoshiaki Zaizen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing same
- Patent number 11,174,526
- Issue date Nov 16, 2021
- JFE Steel Corporation
- Yukihiro Shingaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Non-oriented electrical steel sheet and manufacturing method therefor
- Patent number 11,142,813
- Issue date Oct 12, 2021
- JFE Steel Corporation
- Hiroaki Nakajima
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing non-oriented electrical steel sheet, method fo...
- Patent number 11,136,645
- Issue date Oct 5, 2021
- JFE Steel Corporation
- Yoshiaki Zaizen
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing non-oriented electrical steel sheet, method fo...
- Patent number 11,104,973
- Issue date Aug 31, 2021
- JFE STEEEL CORPORATION
- Yoshiaki Zaizen
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method of producing same
- Patent number 11,056,256
- Issue date Jul 6, 2021
- JFE Steel Corporation
- Yoshihiko Oda
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and production method thereof
- Patent number 11,008,633
- Issue date May 18, 2021
- JFE Steel Corporation
- Masanori Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing non-oriented electrical steel sheet having exc...
- Patent number 10,975,451
- Issue date Apr 13, 2021
- JFE Steel Corporation
- Hiroaki Nakajima
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet, production method therefor, an...
- Patent number 10,941,458
- Issue date Mar 9, 2021
- JFE Steel Corporation
- Hiroaki Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-oriented electrical steel sheet and method for producing the same
- Patent number 10,822,678
- Issue date Nov 3, 2020
- JFE Steel Corporation
- Tadashi Nakanishi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-silicon steel sheet and method of manufacturing the same
- Patent number 10,760,143
- Issue date Sep 1, 2020
- JFE Steel Corporation
- Tomoyuki Okubo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Non-oriented electrical steel sheet and method for manufacturing no...
- Patent number 10,704,115
- Issue date Jul 7, 2020
- JFE Steel Corporation
- Tomoyuki Okubo
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing same
- Patent number 10,626,474
- Issue date Apr 21, 2020
- JFE Steel Corporation
- Yukihiro Shingaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Non-oriented electrical steel sheet and method for producing the sa...
- Patent number 10,526,673
- Issue date Jan 7, 2020
- JFE Steel Corporation
- Tomoyuki Okubo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for producing non-oriented electrical steel sheets
- Patent number 10,316,382
- Issue date Jun 11, 2019
- JFE Steel Corporation
- Tomoyuki Okubo
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet having excellent magnetic prope...
- Patent number 10,102,951
- Issue date Oct 16, 2018
- JFE Steel Corporation
- Yoshihiko Oda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Grain-oriented electrical steel sheet and method of producing the same
- Patent number 9,805,851
- Issue date Oct 31, 2017
- JFE Steel Corporation
- Makoto Watanabe
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing grain-oriented electrical steel sheet
- Patent number 9,640,320
- Issue date May 2, 2017
- JFE Steel Corporation
- Makoto Watanabe
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20250196471
- Publication date Jun 19, 2025
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
- Publication number 20250179601
- Publication date Jun 5, 2025
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING THE SAME
- Publication number 20250146093
- Publication date May 8, 2025
- JFE STEEL CORPORATION
- Tomoyuki OKUBO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
- Publication number 20250115982
- Publication date Apr 10, 2025
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF PRODUCING HOT-ROLLED STEEL SHEET FOR NON-ORIENTED ELECTRI...
- Publication number 20250101541
- Publication date Mar 27, 2025
- JFE STEEL CORPORATION
- Tomoyuki OKUBO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
- Publication number 20250101542
- Publication date Mar 27, 2025
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20250066886
- Publication date Feb 27, 2025
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
- Publication number 20250043398
- Publication date Feb 6, 2025
- JFE STEEL CORPORATION
- Takaaki TANAKA
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SL...
- Publication number 20250034685
- Publication date Jan 30, 2025
- JFE STEEL CORPORATION
- Akifumi Harada
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD OF PRODUCING HOT-ROLLED STEEL SHEET FOR NON-ORIENTED ELECTRI...
- Publication number 20240410037
- Publication date Dec 12, 2024
- JFE STEEL CORPORATION
- Ryuichi SUEHIRO
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
- Publication number 20240301525
- Publication date Sep 12, 2024
- JFE STEEL CORPORATION
- Takaaki TANAKA
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREOF
- Publication number 20240295015
- Publication date Sep 5, 2024
- JFE STEEL CORPORATION
- Tomoyuki Okubo
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING THE SAME
- Publication number 20240290523
- Publication date Aug 29, 2024
- JFE STEEL CORPORATION
- Takaaki TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING THE SAME,...
- Publication number 20240279783
- Publication date Aug 22, 2024
- JFE STEEL CORPORATION
- Takaaki TANAKA
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREOF
- Publication number 20240271255
- Publication date Aug 15, 2024
- JFE STEEL CORPORATION
- Tomoyuki Okubo
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF PRODUCING A NON-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20230257860
- Publication date Aug 17, 2023
- JFE STEEL CORPORATION
- Masanori UESAKA
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME,...
- Publication number 20230065674
- Publication date Mar 2, 2023
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- C21 - METALLURGY OF IRON
Information Patent Application
MOTOR CORE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20220393520
- Publication date Dec 8, 2022
- JFE STEEL CORPORATION
- Takaaki TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
- Publication number 20220375667
- Publication date Nov 24, 2022
- JFE STEEL CORPORATION
- Yoshihiko Oda
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, AND PRODUCTION MET...
- Publication number 20220372600
- Publication date Nov 24, 2022
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING THE SAME,...
- Publication number 20220359108
- Publication date Nov 10, 2022
- JFE STEEL CORPORATION
- Takaaki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FO...
- Publication number 20220278566
- Publication date Sep 1, 2022
- JFE STEEL CORPORATION
- Yoshiaki Zaizen
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20220064751
- Publication date Mar 3, 2022
- JFE STEEL CORPORATION
- Tomoyuki Okubo
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20220056548
- Publication date Feb 24, 2022
- JFE STEEL CORPORATION
- Yoshiaki Zaizen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20220049323
- Publication date Feb 17, 2022
- JFE STEEL CORPORATION
- Yoshihiko Oda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20220010400
- Publication date Jan 13, 2022
- JFE STEEL CORPORATION
- Tomoyuki OKUBO
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20210388456
- Publication date Dec 16, 2021
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME,...
- Publication number 20210371948
- Publication date Dec 2, 2021
- JFE STEEL CORPORATION
- Yoshiaki ZAIZEN
- B32 - LAYERED PRODUCTS
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
- Publication number 20210332464
- Publication date Oct 28, 2021
- JFE STEEL CORPORATION
- Masanori UESAKA
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SL...
- Publication number 20210332463
- Publication date Oct 28, 2021
- JFE STEEL CORPORATION
- Akifumi Harada
- B22 - CASTING POWDER METALLURGY

Tomoyuki Okubo

Person

Patents Grantslast 30 patents

Motor core and method of manufacturing the same

Non-oriented electrical steel sheet and method for producing same

Non-oriented electrical steel sheet and method for manufacturing sl...

Method for producing non-oriented electrical steel sheet, method fo...

Method of producing a non-oriented electrical steel sheet

Grain-oriented electrical steel sheet, iron core of transformer, tr...

Non-oriented electrical steel sheet

Non-oriented electrical steel sheet and method for producing same,...

Non-oriented electrical steel sheet and method of producing same

Non-oriented electrical steel sheet and method for producing same,...

Non-oriented electrical steel sheet and method for manufacturing th...

Non-oriented electrical steel sheet and method of producing same

Method for producing non-oriented electrical steel sheet

Grain-oriented electrical steel sheet and method of manufacturing same

Non-oriented electrical steel sheet and manufacturing method therefor

Method for producing non-oriented electrical steel sheet, method fo...

Method for producing non-oriented electrical steel sheet, method fo...

Non-oriented electrical steel sheet and method of producing same

Non-oriented electrical steel sheet and production method thereof

Method for producing non-oriented electrical steel sheet having exc...

Non-oriented electrical steel sheet, production method therefor, an...

Non-oriented electrical steel sheet and method for producing the same

High-silicon steel sheet and method of manufacturing the same

Non-oriented electrical steel sheet and method for manufacturing no...

Grain-oriented electrical steel sheet and method of manufacturing same

Non-oriented electrical steel sheet and method for producing the sa...

Method for producing non-oriented electrical steel sheets

Non-oriented electrical steel sheet having excellent magnetic prope...

Grain-oriented electrical steel sheet and method of producing the same

Method of producing grain-oriented electrical steel sheet

Patents Applicationslast 30 patents

NON-ORIENTED ELECTRICAL STEEL SHEET

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING THE SAME

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

METHOD OF PRODUCING HOT-ROLLED STEEL SHEET FOR NON-ORIENTED ELECTRI...

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

NON-ORIENTED ELECTRICAL STEEL SHEET

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SL...

METHOD OF PRODUCING HOT-ROLLED STEEL SHEET FOR NON-ORIENTED ELECTRI...

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...

NON-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREOF

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING THE SAME

NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING THE SAME,...

NON-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREOF

METHOD OF PRODUCING A NON-ORIENTED ELECTRICAL STEEL SHEET

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME,...

MOTOR CORE AND METHOD OF MANUFACTURING THE SAME

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...

NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, AND PRODUCTION MET...

NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING THE SAME,...

METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FO...

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

NON-ORIENTED ELECTRICAL STEEL SHEET

METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET

METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME,...

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SL...