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CPC
C21D9/46

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CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING 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 C21D9/00Heat treatment

Current Industry

C21D9/46for sheet metals

Industries

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Patents Grantslast 30 patents

Information 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
High strength steel sheet and method for manufacturing the same
- Patent number 12,365,961
- Issue date Jul 22, 2025
- JFE Steel Corporation
- Kazuki Endoh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
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
Pre-coated steel sheet with aluminum or aluminum alloy pre-coating,...
- Patent number 12,359,295
- Issue date Jul 15, 2025
- Ironovation Materials Technology Co., Ltd.
- Hongliang Yi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
980MPA grade cold-roll steel sheets with high hole expansion rate a...
- Patent number 12,359,273
- Issue date Jul 15, 2025
- Baoshan Iron & Steel Co., Ltd.
- Peng Xue
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength high-toughness and wear-resistant composite steel pla...
- Patent number 12,359,272
- Issue date Jul 15, 2025
- Baoshan Iron & Steel Co., Ltd.
- Hongbin Li
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength ultra-thick steel plate having superb impact toughnes...
- Patent number 12,351,884
- Issue date Jul 8, 2025
- Posco
- Tae-Il So
- C21 - METALLURGY OF IRON
Information Patent Grant
Plated steel sheet having excellent sealer adhesion and method for...
- Patent number 12,351,919
- Issue date Jul 8, 2025
- POSCO Co., Ltd
- Tae-Chul Kim
- C21 - METALLURGY OF IRON
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
Steel material for high-pressure hydrogen gas environment, steel st...
- Patent number 12,351,896
- Issue date Jul 8, 2025
- JFE Steel Corporation
- Akihide Nagao
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold-rolling strip steel with strength and hardness thereof varying...
- Patent number 12,351,887
- Issue date Jul 8, 2025
- Baoshan Iron & Steel Co., Ltd.
- Xiaodong Zhu
- C21 - METALLURGY OF IRON
Information Patent Grant
Coated steel sheet
- Patent number 12,351,886
- Issue date Jul 8, 2025
- Arcelormittal
- Tiago Machado Amorim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing hardened steel components with a conditioned z...
- Patent number 12,344,914
- Issue date Jul 1, 2025
- voestalpine STAHL GmbH
- Ernst Schachinger
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot dip galvanized ultra-high strength steel sheets with high flatness
- Patent number 12,344,915
- Issue date Jul 1, 2025
- GM Global Technology Operations LLC
- Zhou Wang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Zinc plated steel sheet having excellent spot weldability and manuf...
- Patent number 12,344,923
- Issue date Jul 1, 2025
- POSCO Co., Ltd
- Ki-Cheol Kang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot stamped body and method for producing same and Al-plated steel...
- Patent number 12,344,908
- Issue date Jul 1, 2025
- Nippon Steel Corporation
- Michiko Konno
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-rolled steel sheet and manufacturing method thereof
- Patent number 12,344,913
- Issue date Jul 1, 2025
- Nippon Steel Corporation
- Eisaku Sakurada
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength steel sheet and method for manufacturing same
- Patent number 12,344,911
- Issue date Jul 1, 2025
- Nippon Steel Corporation
- Masafumi Azuma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet and manufacturing method thereof
- Patent number 12,344,912
- Issue date Jul 1, 2025
- Nippon Steel Corporation
- Yuya Suzuki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Steel sheet, member, and methods for producing the same
- Patent number 12,338,505
- Issue date Jun 24, 2025
- JFE Steel Corporation
- Takuya Hirashima
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength hot-dip galvanized steel sheet with excellent formabi...
- Patent number 12,338,533
- Issue date Jun 24, 2025
- POSCO Co., Ltd
- Yu-Mi Ha
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold rolled heat treated steel sheet and a method of manufacturing...
- Patent number 12,338,506
- Issue date Jun 24, 2025
- Arcelormittal
- Jean-Marc Pipard
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electrical steel sheet and manufacturing method ther...
- Patent number 12,331,370
- Issue date Jun 17, 2025
- Posco
- Chang-Soo Park
- 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
High-strength hot-dipped galvanized steel sheet having excellent su...
- Patent number 12,331,405
- Issue date Jun 17, 2025
- POSCO Co., Ltd
- Ki-Cheol Kang
- C21 - METALLURGY OF IRON
Information Patent Grant
Coated steel sheet with thin aluminium alloy coating and coating me...
- Patent number 12,331,407
- Issue date Jun 17, 2025
- Ironovation Materials Technology Co., Ltd.
- Hongliang Yi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Surface-treated steel sheet
- Patent number 12,331,408
- Issue date Jun 17, 2025
- Nippon Steel Corporation
- Atsuo Shimizu
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
ECO-FRIENDLY STEEL SHEET HAVING HIGH STRENGTH AND HIGH FORMABILITY,...
- Publication number 20250236924
- Publication date Jul 24, 2025
- POSCO CO., LTD
- Sung-Kyu Kim
- C21 - METALLURGY OF IRON
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
ALUMINUM ALLOY SHEET FOR CAN LIDS
- Publication number 20250236931
- Publication date Jul 24, 2025
- UACJ CORPORATION
- Tomoyuki KUDO
- C21 - METALLURGY OF IRON
Information Patent Application
ENAMELABLE STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
- Publication number 20250236936
- Publication date Jul 24, 2025
- VOESTALPINE STAHL GMBH
- Klemens MRACZEK
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
HOT-ROLLED STEEL SHEET
- Publication number 20250236922
- Publication date Jul 24, 2025
- NIPPON STEEL CORPORATION
- Yasuyuki OGISU
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20250230514
- Publication date Jul 17, 2025
- NIPPON STEEL CORPORATION
- Takeshi TOYODA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20250230515
- Publication date Jul 17, 2025
- NIPPON STEEL CORPORATION
- Takashi YASUTOMI
- C21 - METALLURGY OF IRON
Information Patent Application
Method and Device for Producing Hardened Sheet-Steel Components
- Publication number 20250230516
- Publication date Jul 17, 2025
- voestalpine Metal Forming GmbH
- Tobias HÄGELE
- 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
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20250223662
- Publication date Jul 10, 2025
- JFE STEEL CORPORATION
- Junya Tobata
- 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
NANOCRYSTALLINE ALLOY RIBBON AND MAGNETIC SHEET
- Publication number 20250223679
- Publication date Jul 10, 2025
- Proterial, Ltd.
- Yuichi OGAWA
- C21 - METALLURGY OF IRON
Information Patent Application
SOFT MAGNETIC IRON ALLOY SHEET, METHOD OF MANUFACTURING SOFT MAGNET...
- Publication number 20250215541
- Publication date Jul 3, 2025
- Hitachi, Ltd
- Tomohiro TABATA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEEL MATERIAL
- Publication number 20250215544
- Publication date Jul 3, 2025
- NIPPON STEEL CORPORATION
- Mikiko NOGUCHI
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-ROLLED STEEL SHEET
- Publication number 20250215545
- Publication date Jul 3, 2025
- NIPPON STEEL CORPORATION
- Takuya NISHIO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
HOT-STAMPED COMPONENT HAVING HIGH COLD-BENDING PERFORMANCE AND HIGH...
- Publication number 20250215519
- Publication date Jul 3, 2025
- Baoshan Iron & Steel Co., Ltd
- Ning TAN
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING THE SAME
- Publication number 20250207215
- Publication date Jun 26, 2025
- JFE STEEL CORPORATION
- Kohei KAWAZOME
- C21 - METALLURGY OF IRON
Information Patent Application
TWIP STEEL SHEET HAVING AN AUSTENITIC MATRIX
- Publication number 20250207216
- Publication date Jun 26, 2025
- ARCELORMITTAL
- Colin SCOTT
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT STAMPING COMPONENT AND METHOD OF MANUFACTURING THE SAME
- Publication number 20250205769
- Publication date Jun 26, 2025
- HYUNDAI STEEL COMPANY
- Jae Myoung Park
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT STAMPING COMPONENT AND METHOD OF MANUFACTURING THE SAME
- Publication number 20250205768
- Publication date Jun 26, 2025
- HYUNDAI STEEL COMPANY
- Jae Myoung Park
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND...
- Publication number 20250207235
- Publication date Jun 26, 2025
- POSCO CO., LTD.
- Il-Ryoung SOHN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEEL PLATE AND METHOD OF PRODUCING SAME
- Publication number 20250207232
- Publication date Jun 26, 2025
- JFE STEEL CORPORATION
- Yuya SATO
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET, MEMBER, AND METHOD FOR PRODUCING THEM
- Publication number 20250197961
- Publication date Jun 19, 2025
- JFE STEEL CORPORATION
- Yoshiyasu KAWASAKI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET
- Publication number 20250197984
- Publication date Jun 19, 2025
- JFE STEEL CORPORATION
- Shunsuke YAMAMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20250197959
- Publication date Jun 19, 2025
- JFE STEEL CORPORATION
- Junya Tobata
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL PLATE AND METHOD OF PRODUCING SAME
- Publication number 20250197980
- Publication date Jun 19, 2025
- JFE STEEL CORPORATION
- Yuya SATO
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20250197960
- Publication date Jun 19, 2025
- JFE STEEL CORPORATION
- Junya Tobata
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20250197979
- Publication date Jun 19, 2025
- JFE STEEL CORPORATION
- Junya Tobata
- C21 - METALLURGY OF IRON

for sheet metals

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Manufacturing method of grain-oriented electrical steel sheet

High strength steel sheet and method for manufacturing the same

Method for producing grain oriented electrical steel sheet

Method for manufacturing grain-oriented electrical steel sheet

Pre-coated steel sheet with aluminum or aluminum alloy pre-coating,...

980MPA grade cold-roll steel sheets with high hole expansion rate a...

High-strength high-toughness and wear-resistant composite steel pla...

High-strength ultra-thick steel plate having superb impact toughnes...

Plated steel sheet having excellent sealer adhesion and method for...

Grain-oriented electrical steel sheet and method for producing same

Steel material for high-pressure hydrogen gas environment, steel st...

Cold-rolling strip steel with strength and hardness thereof varying...

Coated steel sheet

Method for producing hardened steel components with a conditioned z...

Hot dip galvanized ultra-high strength steel sheets with high flatness

Zinc plated steel sheet having excellent spot weldability and manuf...

Hot stamped body and method for producing same and Al-plated steel...

Hot-rolled steel sheet and manufacturing method thereof

High-strength steel sheet and method for manufacturing same

Steel sheet and manufacturing method thereof

Motor core and method of manufacturing the same

Method for producing grain-oriented electrical steel sheet

Steel sheet, member, and methods for producing the same

High-strength hot-dip galvanized steel sheet with excellent formabi...

Cold rolled heat treated steel sheet and a method of manufacturing...

Grain-oriented electrical steel sheet and manufacturing method ther...

Grain-oriented electrical steel sheet and method for producing same

High-strength hot-dipped galvanized steel sheet having excellent su...

Coated steel sheet with thin aluminium alloy coating and coating me...

Surface-treated steel sheet

Patents Applicationslast 30 patents

ECO-FRIENDLY STEEL SHEET HAVING HIGH STRENGTH AND HIGH FORMABILITY,...

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

ALUMINUM ALLOY SHEET FOR CAN LIDS

ENAMELABLE STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

Grain-Oriented Electrical Steel Sheet and Method for Its Production

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

Method and Device for Producing Hardened Sheet-Steel Components

Grain-Oriented Flat Steel Product and Method for Its Production

HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

NANOCRYSTALLINE ALLOY RIBBON AND MAGNETIC SHEET

SOFT MAGNETIC IRON ALLOY SHEET, METHOD OF MANUFACTURING SOFT MAGNET...

STEEL MATERIAL

COLD-ROLLED STEEL SHEET

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

HOT-STAMPED COMPONENT HAVING HIGH COLD-BENDING PERFORMANCE AND HIGH...

HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING THE SAME

TWIP STEEL SHEET HAVING AN AUSTENITIC MATRIX

HOT STAMPING COMPONENT AND METHOD OF MANUFACTURING THE SAME

HOT STAMPING COMPONENT AND METHOD OF MANUFACTURING THE SAME

HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND...

STEEL PLATE AND METHOD OF PRODUCING SAME

STEEL SHEET, MEMBER, AND METHOD FOR PRODUCING THEM

METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET

HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

STEEL PLATE AND METHOD OF PRODUCING SAME

HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME