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during manufacturing of articles with special electromagnetic properties
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CPC
C21D8/12
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C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
C21D8/00
Modifying the physical properties by deformation combined with, or followed by, heat treatment
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C21D8/12
during manufacturing of articles with special electromagnetic properties
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Patents Grants
last 30 patents
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Patent Grant
Manufacturing method of grain-oriented electrical steel sheet
Patent number
12,365,973
Issue date
Jul 22, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
12,359,275
Issue date
Jul 15, 2025
Nippon Steel Corporation
Yoshiyuki Ushigami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,359,274
Issue date
Jul 15, 2025
Nippon Steel Corporation
Shinsuke Takatani
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing same
Patent number
12,354,778
Issue date
Jul 8, 2025
JFE Steel Corporation
Makoto Watanabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain-oriented electrical steel sheet and cold...
Patent number
12,344,909
Issue date
Jul 1, 2025
JFE Steel Corporation
Yukihiro Shingaki
C21 - METALLURGY OF IRON
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
Method for producing grain-oriented electrical steel sheet
Patent number
12,338,504
Issue date
Jun 24, 2025
Nippon Steel Corporation
Takeshi Imai
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing same
Patent number
12,331,375
Issue date
Jun 17, 2025
POSCO Co., Ltd
Dae-Hyun Song
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
Grain-oriented electrical steel sheet, intermediate steel sheet for...
Patent number
12,331,377
Issue date
Jun 17, 2025
Nippon Steel Corporation
Shinji Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing a grain-oriented electrical steel sheet
Patent number
12,325,892
Issue date
Jun 10, 2025
JFE Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Annealing separator composition for grain-oriented electrical steel...
Patent number
12,325,890
Issue date
Jun 10, 2025
POSCO Co., Ltd
Min Soo Han
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,325,891
Issue date
Jun 10, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Oriented electrical steel sheet and manufacturing method therefor
Patent number
12,312,651
Issue date
May 27, 2025
POSCO Co., Ltd
Hyun Jong Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,312,649
Issue date
May 27, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Electrical steel sheet and method for manufacturing same
Patent number
12,305,253
Issue date
May 20, 2025
Nippon Steel Corporation
Miho Tomita
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain-oriented electrical steel sheet
Patent number
12,305,255
Issue date
May 20, 2025
JFE Steel Corporation
Yuiko Ehashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
12,305,252
Issue date
May 20, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for hot stamping, hot stamping process and hot stamped component
Patent number
12,297,517
Issue date
May 13, 2025
Ironovation Materials Technology Co., Ltd.
Hongliang Yi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain-oriented electrical steel sheet
Patent number
12,291,758
Issue date
May 6, 2025
JFE Steel Corporation
Yuiko Ehashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making an electrical steel sheet provided with insulating...
Patent number
12,278,024
Issue date
Apr 15, 2025
JFE Steel Corporation
Kazumichi Sashi
C21 - METALLURGY OF IRON
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
Non-oriented electrical steel sheet and manufacturing method therefor
Patent number
12,272,474
Issue date
Apr 8, 2025
POSCO Co., Ltd
Jaewan Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Fe-based amorphous alloy ribbon, production method thereof, iron co...
Patent number
12,264,389
Issue date
Apr 1, 2025
PROTERIAL, LTD.
Hajime Itagaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Non-oriented electrical steel sheet and method for producing same
Patent number
12,264,377
Issue date
Apr 1, 2025
POSCO Co., Ltd
June Soo Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
12,247,291
Issue date
Mar 11, 2025
Nippon Steel Corporation
Fumiaki Takahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet with insulating film and meth...
Patent number
12,234,523
Issue date
Feb 25, 2025
JFE Steel Corporation
Karin Kokufu
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for producing same
Patent number
12,215,399
Issue date
Feb 4, 2025
Nippon Steel Corporation
Hiroyasu Fujii
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-directional electrical steel sheet and method for producing same
Patent number
12,215,400
Issue date
Feb 4, 2025
POSCO Co., Ltd
Jaewan Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet, and steel sheet serving as b...
Patent number
12,217,889
Issue date
Feb 4, 2025
Nippon Steel Corporation
Shuichi Nakamura
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20250236925
Publication date
Jul 24, 2025
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C21 - METALLURGY OF IRON
Information
Patent Application
Grain-Oriented Electrical Steel Sheet and Method for Its Production
Publication number
20250236926
Publication date
Jul 24, 2025
THYSSENKRUPP ELECTRICAL STEEL GMBH
Ludger Lahn
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR ANNEALING HOT-ROLLED STEEL STRIP
Publication number
20250230519
Publication date
Jul 17, 2025
JFE STEEL CORPORATION
Hirokazu KOBAYASHI
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR FORMING INSULA...
Publication number
20250223675
Publication date
Jul 10, 2025
NIPPON STEEL CORPORATION
Kazutoshi TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
Grain-Oriented Electrical Steel Sheet Coated with a Resin and Used...
Publication number
20250223676
Publication date
Jul 10, 2025
THYSSENKRUPP ELECTRICAL STEEL GMBH
Christian Hecht
C21 - METALLURGY OF IRON
Information
Patent Application
Grain-Oriented Flat Steel Product and Method for Its Production
Publication number
20250223664
Publication date
Jul 10, 2025
THYSSENKRUPP ELECTRICAL STEEL GMBH
Christian Hecht
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250223663
Publication date
Jul 10, 2025
HYUNDAI STEEL COMPANY
Seong Hyeon Yoo
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250215520
Publication date
Jul 3, 2025
HYUNDAI STEEL COMPANY
Han Hyuk Cho
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRICAL STEELS
Publication number
20250207229
Publication date
Jun 26, 2025
Nucor Corporation
Paul KELLY
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20250188561
Publication date
Jun 12, 2025
NIPPON STEEL CORPORATION
Hiroyoshi YASHIKI
C21 - METALLURGY OF IRON
Information
Patent Application
Non-Oriented Electrical Steel Sheet And Method For Producing Same
Publication number
20250188562
Publication date
Jun 12, 2025
POSCO Co., Ltd
June Soo Park
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED SILICON STEEL FOR HIGH-SPEED MOTOR, AND MANUFACTURING...
Publication number
20250188557
Publication date
Jun 12, 2025
ZHANGJIAGANG YANGTZE RIVER COLD ROLLED PLATE CO., LTD
Chongxiang YUE
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND...
Publication number
20250188560
Publication date
Jun 12, 2025
NIPPON STEEL CORPORATION
Satoshi ARAI
C21 - METALLURGY OF IRON
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 MANUFACTURING METHOD THEREFOR
Publication number
20250163533
Publication date
May 22, 2025
HYUNDAI STEEL COMPANY
Han Hyuk Cho
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20250163529
Publication date
May 22, 2025
JFE STEEL CORPORATION
Masanori TAKENAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250163532
Publication date
May 22, 2025
HYUNDAI STEEL COMPANY
Yong Keun Ahn
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20250163551
Publication date
May 22, 2025
JFE STEEL CORPORATION
Takeshi IMAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING A GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20250154618
Publication date
May 15, 2025
JFE STEEL CORPORATION
Hirotaka INOUE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-ORIENTED ELECTRIC STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250154619
Publication date
May 15, 2025
HYUNDAI STEEL COMPANY
Gyu Jin Oh
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20250154631
Publication date
May 15, 2025
NIPPON STEEL CORPORATION
Masato YASUDA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20250157708
Publication date
May 15, 2025
NIPPON STEEL CORPORATION
Masato YASUDA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20250146096
Publication date
May 8, 2025
JFE STEEL CORPORATION
Rieko IZUMI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND...
Publication number
20250146110
Publication date
May 8, 2025
JFE STEEL CORPORATION
Shigehiro TAKAJO
C21 - METALLURGY OF IRON
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
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20250122589
Publication date
Apr 17, 2025
JFE STEEL CORPORATION
Kai KAWAHARA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250122591
Publication date
Apr 17, 2025
HYUNDAI STEEL COMPANY
Han Hyuk Cho
C21 - METALLURGY OF IRON
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
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20250118468
Publication date
Apr 10, 2025
NIPPON STEEL CORPORATION
Haruhiko ATSUMI
C21 - METALLURGY OF IRON