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C21D8/1283
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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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C21D8/1283
Application of a separating or insulating coating
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Patents Grants
last 30 patents
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
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, 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
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
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
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
Coating liquid for forming insulation coating for grain-oriented el...
Patent number
12,215,398
Issue date
Feb 4, 2025
Nippon Steel Corporation
Shuichi Yamazaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
12,215,401
Issue date
Feb 4, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,195,818
Issue date
Jan 14, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,195,832
Issue date
Jan 14, 2025
Nippon Steel Corporation
Shinsuke Takatani
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
12,180,558
Issue date
Dec 31, 2024
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
12,173,377
Issue date
Dec 24, 2024
Nippon Steel Corporation
Kazutoshi Takeda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
12,173,378
Issue date
Dec 24, 2024
Nippon Steel Corporation
Satoshi Arai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Coating liquid for forming insulation coating for grain-oriented el...
Patent number
12,157,921
Issue date
Dec 3, 2024
Nippon Steel Corporation
Shuichi Yamazaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet, method for manufacturing gra...
Patent number
12,152,286
Issue date
Nov 26, 2024
Nippon Steel Corporation
Ryutaro Yamagata
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet, method for manufacturing gra...
Patent number
12,134,802
Issue date
Nov 5, 2024
Nippon Steel Corporation
Ryutaro Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
12,123,065
Issue date
Oct 22, 2024
POSCO Co., Ltd
Oh Yeoul Kwon
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Grain oriented electrical steel sheet and producing method thereof
Patent number
12,123,068
Issue date
Oct 22, 2024
Nippon Steel Corporation
Takashi Kataoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Soft magnetic alloy and method for producing a soft magnetic alloy
Patent number
12,116,655
Issue date
Oct 15, 2024
Vacuumschmelze GmbH & Co. KG
Niklas Volbers
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,110,567
Issue date
Oct 8, 2024
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing a CoFe alloy strip
Patent number
12,110,579
Issue date
Oct 8, 2024
Vacuumschmelze GmbH & Co. KG
Niklas Volbers
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
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 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 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
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
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
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, 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
PRE-TREATMENT LIQUID AND METHOD FOR MANUFACTURING ELECTROMAGNETIC S...
Publication number
20250116005
Publication date
Apr 10, 2025
JFE STEEL CORPORATION
Takashi TERASHIMA
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
Information
Patent Application
COATING LIQUID FOR FORMING INSULATION COATING FOR GRAIN-ORIENTED EL...
Publication number
20250109452
Publication date
Apr 3, 2025
NIPPON STEEL CORPORATION
Shuichi YAMAZAKI
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20250101561
Publication date
Mar 27, 2025
JFE STEEL CORPORATION
Takeshi IMAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND MOTOR CORE COMPRISING SAME
Publication number
20250066892
Publication date
Feb 27, 2025
POSCO CO., LTD
Soobin Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
DOUBLE ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20250059616
Publication date
Feb 20, 2025
POSCO CO., LTD
Hyunwoo Mun
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING SAME,...
Publication number
20250059618
Publication date
Feb 20, 2025
POSCO CO., LTD
Soobin Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
INSULATION COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRIC...
Publication number
20250051603
Publication date
Feb 13, 2025
POSCO Co., Ltd
Min Serk KWON
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ANNEALING SEPARATING AGENT COMPOSITION FOR GRAIN ORIENTED ELECTRICA...
Publication number
20250051869
Publication date
Feb 13, 2025
POSCO Co., Ltd
Min Serk KWON
C21 - METALLURGY OF IRON
Information
Patent Application
INSULATION COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRIC...
Publication number
20250051868
Publication date
Feb 13, 2025
POSCO Co., Ltd
Jungwoo KIM
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING GRA...
Publication number
20250043381
Publication date
Feb 6, 2025
NIPPON STEEL CORPORATION
Ryutaro YAMAGATA
C21 - METALLURGY OF IRON
Information
Patent Application
COATING LIQUID FOR FORMING INSULATION COATING FOR GRAIN-ORIENTED EL...
Publication number
20250043373
Publication date
Feb 6, 2025
NIPPON STEEL CORPORATION
Shuichi YAMAZAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING GRA...
Publication number
20250019788
Publication date
Jan 16, 2025
NIPPON STEEL CORPORATION
Ryutaro YAMAGATA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240282491
Publication date
Aug 22, 2024
JFE STEEL CORPORATION
Masanori Takenaka
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ROLLI...
Publication number
20240279763
Publication date
Aug 22, 2024
JFE STEEL CORPORATION
Yusuke SHIMOYAMA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
NON-ORIENTED SILICON STEEL AND METHOD FOR PRODUCING THE SAME
Publication number
20240279782
Publication date
Aug 22, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD
Chongxiang YUE
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240271254
Publication date
Aug 15, 2024
JFE STEEL CORPORATION
Masanori Takenaka
C21 - METALLURGY OF IRON