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C21D6/001
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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
C21D6/00
Heat treatment of ferrous alloys
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C21D6/001
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last 30 patents
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Patent Grant
Method for producing hot-rolled steel sheet and method for producin...
Patent number
11,965,222
Issue date
Apr 23, 2024
JFE Steel Corporation
Hidekazu Minami
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing hot-rolled steel sheet, method for producing c...
Patent number
11,939,640
Issue date
Mar 26, 2024
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
11,942,246
Issue date
Mar 26, 2024
Nippon Steel Corporation
Minako Fukuchi
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet and method for manufacturing...
Patent number
11,926,881
Issue date
Mar 12, 2024
JFE Steel Corporation
Yuji Tanaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Low-density clad steel sheet having excellent strength and plateabi...
Patent number
11,913,089
Issue date
Feb 27, 2024
POSCO Co., Ltd
Min-Seo Koo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet and method of manufacturing the same
Patent number
11,866,800
Issue date
Jan 9, 2024
Nippon Steel Corporation
Hiroyuki Kawata
C21 - METALLURGY OF IRON
Information
Patent Grant
Soft magnetic material and method for manufacturing the same
Patent number
11,851,738
Issue date
Dec 26, 2023
Murata Manufacturing Co., Ltd.
Kazuhiro Henmi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hot-pressed member, cold-rolled steel sheet for hot-pressed member,...
Patent number
11,850,821
Issue date
Dec 26, 2023
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Sinter brazing of powdered metal sinter hard matertial component to...
Patent number
11,806,799
Issue date
Nov 7, 2023
Keystone Powdered Metal Company
Peter G. Imbrogno
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Soft magnetic alloy, soft magnetic alloy ribbon, method of manufact...
Patent number
11,798,718
Issue date
Oct 24, 2023
PROTERIAL, LTD.
Yuichi Ogawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High-strength steel sheet and method for manufacturing same
Patent number
11,788,163
Issue date
Oct 17, 2023
JFE Steel Corporation
Kazuki Endo
C21 - METALLURGY OF IRON
Information
Patent Grant
Annealing separator composition for grain-oriented electrical steel...
Patent number
11,773,462
Issue date
Oct 3, 2023
POSCO Co., Ltd
Min Serk Kwon
C21 - METALLURGY OF IRON
Information
Patent Grant
Metal plate for manufacturing deposition mask, method for manufactu...
Patent number
11,732,361
Issue date
Aug 22, 2023
Dai Nippon Printing Co., Ltd.
Hiroki Oka
C21 - METALLURGY OF IRON
Information
Patent Grant
Metal coated steel sheet, manufacturing method of hot-dip galvanize...
Patent number
11,732,341
Issue date
Aug 22, 2023
Nippon Steel Corporation
Jun Haga
B32 - LAYERED PRODUCTS
Information
Patent Grant
Metal plate for producing vapor deposition masks, inspection method...
Patent number
11,733,607
Issue date
Aug 22, 2023
Dai Nippon Printing Co., Ltd.
Chikao Ikenaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and manufacturing method therefor
Patent number
11,680,303
Issue date
Jun 20, 2023
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-thick steel material having excellent surface part NRL-DWT pr...
Patent number
11,634,784
Issue date
Apr 25, 2023
POSCO Co., Ltd
Hak-Cheol Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet
Patent number
11,634,802
Issue date
Apr 25, 2023
Nippon Steel Corporation
Hiroshi Kaido
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
11,560,603
Issue date
Jan 24, 2023
JFE STEEL CORPORATION
Yasuyuki Hayakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet and method of producing the same
Patent number
11,557,413
Issue date
Jan 17, 2023
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Electric resistance welded steel pipe or tube and production method...
Patent number
11,512,361
Issue date
Nov 29, 2022
JFE Steel Corporation
Yoshikazu Kawabata
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Vapor deposition mask substrate, vapor deposition mask substrate ma...
Patent number
11,499,235
Issue date
Nov 15, 2022
Toppan Printing Co., Ltd.
Mikio Shinno
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for the heat treatment of a part made from maraging steel
Patent number
11,499,203
Issue date
Nov 15, 2022
Compagnie Generale des Etablissements Michelin
Stephanie Verleene
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal plate
Patent number
11,486,031
Issue date
Nov 1, 2022
Dai Nippon Printing Co., Ltd.
Chikao Ikenaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet and production method therefor
Patent number
11,486,020
Issue date
Nov 1, 2022
Nippon Steel Corporation
Tetsuya Hirashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of tetratenite production and system therefor
Patent number
11,462,358
Issue date
Oct 4, 2022
Laura H. Lewis
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-dip galvanized steel sheet
Patent number
11,426,975
Issue date
Aug 30, 2022
Nippon Steel Corporation
Atsushi Morishita
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet for warm working and method for manufactu...
Patent number
11,414,720
Issue date
Aug 16, 2022
JFE Steel Corporation
Hiroshi Hasegawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-rolled steel sheet
Patent number
11,401,571
Issue date
Aug 2, 2022
Nippon Steel Corporation
Tatsuo Yokoi
C21 - METALLURGY OF IRON
Information
Patent Grant
Maraging steel and method for manufacturing same
Patent number
11,401,593
Issue date
Aug 2, 2022
Kobe Steel, Ltd.
Zhuyao Chen
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132987
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132986
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET
Publication number
20240124963
Publication date
Apr 18, 2024
NIPPON STEEL CORPORATION
Satoshi HIRONAKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
Publication number
20240102122
Publication date
Mar 28, 2024
LG ELECTRONICS INC.
Yunsung KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20240105369
Publication date
Mar 28, 2024
JFE STEEL CORPORATION
Makoto Watanabe
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
STEEL SHEET
Publication number
20240084427
Publication date
Mar 14, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
Publication number
20240084415
Publication date
Mar 14, 2024
NIPPON STEEL CORPORATION
Hiroyoshi YASHIKI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240068065
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Taiyo Asakawa
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET, IMPACT ABSORBING MEMBER, AND METHOD FOR...
Publication number
20240052449
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240047106
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Minako FUKUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20240026481
Publication date
Jan 25, 2024
JFE STEEL CORPORATION
Takuya HIRASHIMA
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRIC RESISTANCE WELDED STEEL PIPE AND METHOD FOR MANUFACTURING...
Publication number
20240026999
Publication date
Jan 25, 2024
JFE STEEL CORPORATION
Akihide Matsumoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD F...
Publication number
20240011118
Publication date
Jan 11, 2024
Jae-Hoon LEE
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT STAMPING, METHOD FOR MANUFACTURING THE SAME, HO...
Publication number
20240011113
Publication date
Jan 11, 2024
NIPPON STEEL CORPORATION
Masafumi AZUMA
C21 - METALLURGY OF IRON
Information
Patent Application
Fe-BASED ELECTROPLATED STEEL SHEET AND GALVANNEALED STEEL SHEET, AN...
Publication number
20240009962
Publication date
Jan 11, 2024
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT-ROLLED STEEL SHEET
Publication number
20230416886
Publication date
Dec 28, 2023
NIPPON STEEL CORPORATION
Mutsumi SAKAKIBARA
C21 - METALLURGY OF IRON
Information
Patent Application
ALLOYED GALVANIZED STEEL SHEET, ELECTRODEPOSITION-COATED STEEL SHEE...
Publication number
20230407485
Publication date
Dec 21, 2023
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
ANNEALING SEPARATOR COMPOSITION FOR GRAIN-ORIENTED ELECTRICAL STEEL...
Publication number
20230407432
Publication date
Dec 21, 2023
POSCO CO., LTD.
Min Serk Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND PLATED STEEL SHEET
Publication number
20230399727
Publication date
Dec 14, 2023
NIPPON STEEL CORPORATION
Keitaro MATSUDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20230399712
Publication date
Dec 14, 2023
NIPPON STEEL CORPORATION
Takafumi YOKOYAMA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SEMI-HARD MAGNETIC POWDER HAVING A HIGH VALUE AND METHOD FOR SYNTHE...
Publication number
20230395290
Publication date
Dec 7, 2023
NITTETSU MINING CO., LTD.
Akira KISHIMOTO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET, HIGH-STRENGTH COATED OR PLAT...
Publication number
20230374622
Publication date
Nov 23, 2023
JFE STEEL CORPORATION
Yuji TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
DEHYDROGENATION APPARATUS, STEEL SHEET PRODUCTION SYSTEM, AND STEEL...
Publication number
20230357883
Publication date
Nov 9, 2023
JFE STEEL CORPORATION
Yuki TOJI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET
Publication number
20230349022
Publication date
Nov 2, 2023
NIPPON STEEL CORPORATION
Yuya SUZUKI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20230349020
Publication date
Nov 2, 2023
JFE STEEL CORPORATION
Yusuke Wada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
980 MPA-GRADE FULL-BAINITE ULTRA-HIGH HOLE EXPANSION STEEL AND MANU...
Publication number
20230323502
Publication date
Oct 12, 2023
BAOSHAN IRON & STEEL CO., LTD.
Huanrong WANG
C21 - METALLURGY OF IRON
Information
Patent Application
780 MPA-GRADE ULTRA-HIGH REAMING STEEL HAVING HIGH SURFACE QUALITY...
Publication number
20230323500
Publication date
Oct 12, 2023
Baoshan Iron & Steel Co., Ltd
Huanrong WANG
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH LOW-CARBON MARTENSITIC HIGH HOLE EXPANSION STEEL AND...
Publication number
20230313332
Publication date
Oct 5, 2023
Baoshan Iron & Steel Co., Ltd
Huanrong WANG
C21 - METALLURGY OF IRON
Information
Patent Application
980 MPA-GRADE BAINITE HIGH HOLE EXPANSION STEEL AND MANUFACTURING M...
Publication number
20230313333
Publication date
Oct 5, 2023
Baoshan Iron & Steel Co., Ltd
Huanrong WANG
C21 - METALLURGY OF IRON