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Patents Grants
last 30 patents
Information
Patent Grant
Ferritic stainless steel
Patent number
11,560,604
Issue date
Jan 24, 2023
JFE Steel Corporation
Tomohiro Ishii
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel sheet
Patent number
11,220,732
Issue date
Jan 11, 2022
JFE Steel Corporation
Hidetaka Kawabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Martensitic stainless steel sheet
Patent number
10,988,825
Issue date
Apr 27, 2021
JFE STEEL CORPORATION
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel sheet including Ni and O-containing coating on surf...
Patent number
10,988,853
Issue date
Apr 27, 2021
JFE Steel Corporation
Junichiro Hirasawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ferritic stainless steel
Patent number
10,975,459
Issue date
Apr 13, 2021
JFE Steel Corporation
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet and method for manufacturing the same
Patent number
10,900,104
Issue date
Jan 26, 2021
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing hot rolled steel sheet for square column fo...
Patent number
10,876,180
Issue date
Dec 29, 2020
JFE Steel Corporation
Chikara Kami
E04 - BUILDING
Information
Patent Grant
Hot rolled and annealed ferritic stainless steel sheet, method of p...
Patent number
10,837,075
Issue date
Nov 17, 2020
JFE Steel Corporation
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Material for cold rolled stainless steel sheets, method for manufac...
Patent number
10,801,084
Issue date
Oct 13, 2020
JFE Steel Corporation
Akito Mizutani
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferrite-martensite dual-phase stainless steel and method of manufac...
Patent number
10,745,774
Issue date
Aug 18, 2020
JFE Steel Corporation
Tomohiro Ishii
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel sheet for fuel cell separators and method for produ...
Patent number
10,714,764
Issue date
Jul 14, 2020
JFE Steel Corporation
Takayoshi Yano
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Martensitic stainless steel
Patent number
10,655,195
Issue date
May 19, 2020
JFE Steel Corporation
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Metal sheet for separators of polymer electrolyte fuel cells, and m...
Patent number
10,516,174
Issue date
Dec 24, 2019
JFE Steel Corporation
Takayoshi Yano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ferritic stainless steel and process for producing same
Patent number
10,458,013
Issue date
Oct 29, 2019
JFE Steel Corporation
Kunio Fukuda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ferritic stainless steel and method for producing same
Patent number
10,450,625
Issue date
Oct 22, 2019
JFE Steel Corporation
Kunio Fukuda
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel
Patent number
10,415,126
Issue date
Sep 17, 2019
JFE Steel Corporation
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel
Patent number
10,400,318
Issue date
Sep 3, 2019
JFE Steel Corporation
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
High-carbon hot-rolled steel sheet and method for manufacturing the...
Patent number
10,400,299
Issue date
Sep 3, 2019
JFE Steel Corporation
Yuka Miyamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
High-carbon hot-rolled steel sheet and method for producing the same
Patent number
10,400,298
Issue date
Sep 3, 2019
JFE Steel Corporation
Yuka Miyamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled steel sheet and method for producing the same
Patent number
10,301,693
Issue date
May 28, 2019
JFE Steel Corporation
Katsumi Nakajima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ferritic stainless steel sheet for plasma arc welding and welding m...
Patent number
10,272,513
Issue date
Apr 30, 2019
JFE Steel Corporation
Junichiro Hirasawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Hot rolled steel sheet and method for manufacturing the same
Patent number
10,047,416
Issue date
Aug 14, 2018
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
Thick-walled high-strength hot rolled steel sheet having excellent...
Patent number
9,809,869
Issue date
Nov 7, 2017
JFE Steel Corporation
Kinya Nakagawa
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot rolled steel sheet with excellent bendability and...
Patent number
9,752,216
Issue date
Sep 5, 2017
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet for square column for building structural me...
Patent number
9,708,680
Issue date
Jul 18, 2017
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
Thick high-tensile-strength hot-rolled steel sheet having excellent...
Patent number
9,580,782
Issue date
Feb 28, 2017
JFE Steel Corporation
Chikara Kami
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Thick-walled high-strength hot rolled steel sheet with excellent lo...
Patent number
9,493,865
Issue date
Nov 15, 2016
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
Thick high-tensile-strength hot-rolled steel sheet having excellent...
Patent number
8,784,577
Issue date
Jul 22, 2014
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet for high-strength electric-resistance welded...
Patent number
7,879,287
Issue date
Feb 1, 2011
JFE Steel Corporation
Takashi Kobayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel strip for high strength electric resistance weldin...
Patent number
7,501,030
Issue date
Mar 10, 2009
JFE Steel Corporation
Hiroshi Nakata
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
FERRITIC STAINLESS STEEL
Publication number
20210277494
Publication date
Sep 9, 2021
JFE STEEL CORPORATION
Tomohiro Ishii
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET
Publication number
20200308677
Publication date
Oct 1, 2020
JFE STEEL CORPORATION
Hidetaka Kawabe
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SHEET
Publication number
20190119775
Publication date
Apr 25, 2019
JFE STEEL CORPORATION
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET
Publication number
20190106775
Publication date
Apr 11, 2019
JFE STEEL CORPORATION
Shuji Nishida
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET
Publication number
20190055634
Publication date
Feb 21, 2019
JFE STEEL CORPORATION
Shuji Nishida
C21 - METALLURGY OF IRON
Information
Patent Application
STAINLESS STEEL SHEET INCLUDING Ni AND O-CONTAINING COATING ON SURF...
Publication number
20190032236
Publication date
Jan 31, 2019
JFE STEEL CORPORATION
Junichiro Hirasawa
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
STAINLESS STEEL SHEET FOR FUEL CELL SEPARATORS AND METHOD FOR PRODU...
Publication number
20180375116
Publication date
Dec 27, 2018
JFE STEEL CORPORATION
Takayoshi YANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MATERIAL FOR COLD ROLLED STAINLESS STEEL SHEETS, METHOD FOR MANUFAC...
Publication number
20180363083
Publication date
Dec 20, 2018
JFE STEEL CORPORATION
Akito Mizutani
C21 - METALLURGY OF IRON
Information
Patent Application
LUBRICANT COATING MATERIALS FOR STAINLESS STEEL SHEETS, AND LUBRICA...
Publication number
20180345317
Publication date
Dec 6, 2018
JFE STEEL CORPORATION
Junichiro HIRASAWA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20180312945
Publication date
Nov 1, 2018
JFE STEEL CORPORATION
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL
Publication number
20180305797
Publication date
Oct 25, 2018
JFE STEEL CORPORATION
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED FERRITIC STAINLESS STEEL SHEET, HOT ROLLED AND ANNEALED...
Publication number
20180202023
Publication date
Jul 19, 2018
JFE STEEL CORPORATION
Masataka Yoshino
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET FOR UREA SCR CASING (AS AMENDED)
Publication number
20180195157
Publication date
Jul 12, 2018
JFE STEEL CORPORATION
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20180171430
Publication date
Jun 21, 2018
JFE STEEL CORPORATION
Masataka Yoshino
C21 - METALLURGY OF IRON
Information
Patent Application
METAL SHEET FOR SEPARATORS OF POLYMER ELECTROLYTE FUEL CELLS, AND M...
Publication number
20180175401
Publication date
Jun 21, 2018
JFE STEEL CORPORATION
Takayoshi YANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MARTENSITIC STAINLESS STEEL
Publication number
20180112285
Publication date
Apr 26, 2018
JFE STEEL CORPORATION
Tetsuyuki NAKAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
METAL SHEET FOR SEPARATORS OF POLYMER ELECTROLYTE FUEL CELLS
Publication number
20180083294
Publication date
Mar 22, 2018
JFE STEEL CORPORATION
Takayoshi YANO
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
FERRITIC STAINLESS STEEL AND PROCESS FOR PRODUCING SAME
Publication number
20170349995
Publication date
Dec 7, 2017
JFE STEEL CORPORATION
Kunio FUKUDA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING STEEL STRIP FOR COILED TUBING
Publication number
20170333982
Publication date
Nov 23, 2017
JFE STEEL CORPORATION
Yasuhiro Matsuki
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET
Publication number
20170275722
Publication date
Sep 28, 2017
JFE STEEL CORPORATION
Shuji NISHIDA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING HOT ROLLED STEEL SHEET FOR SQUARE COLUMN FO...
Publication number
20170275720
Publication date
Sep 28, 2017
JFE STEEL CORPORATION
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET FOR PLASMA ARC WELDING AND WELDING M...
Publication number
20170266751
Publication date
Sep 21, 2017
JFE STEEL CORPORATION
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
FERRITIC STAINLESS STEEL AND METHOD FOR PRODUCING SAME
Publication number
20170183752
Publication date
Jun 29, 2017
JFE STEEL CORPORATION
Kunio FUKUDA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED AND ANNEALED FERRITIC STAINLESS STEEL SHEET, METHOD OF P...
Publication number
20170175217
Publication date
Jun 22, 2017
JFE STEEL CORPORATION
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Application
THICK-WALLED HIGH-STRENGTH HOT ROLLED STEEL SHEET HAVING EXCELLENT...
Publication number
20170088916
Publication date
Mar 30, 2017
JFE STEEL CORPORATION
Kinya Nakagawa
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL AND PRODUCTION METHOD THEREFOR (AS AMENDED)
Publication number
20170088912
Publication date
Mar 30, 2017
JFE STEEL CORPORATION
Kunio Fukuda
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL
Publication number
20170073799
Publication date
Mar 16, 2017
JFE STEEL CORPORATION
Tetsuyuki NAKAMURA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
FERRITIC STAINLESS STEEL
Publication number
20170073800
Publication date
Mar 16, 2017
JFE STEEL CORPORATION
Tetsuyuki NAKAMURA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
FERRITE-MARTENSITE DUAL-PHASE STAINLESS STEEL AND METHOD OF MANUFAC...
Publication number
20160289786
Publication date
Oct 6, 2016
JFE STEEL CORPORATION
Tomohiro Ishii
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20160258032
Publication date
Sep 8, 2016
JFE STEEL CORPORATION
Katsumi Nakajima
B32 - LAYERED PRODUCTS