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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High tensile hot-rolled steel sheet having excellent strain aging h...
Patent number
7,252,724
Issue date
Aug 7, 2007
JFE Steel Corporation
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet and galvanized steel sheet having strain ag...
Patent number
7,101,445
Issue date
Sep 5, 2006
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet and galvanized steel sheet having strain ag...
Patent number
7,067,023
Issue date
Jun 27, 2006
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
High tensile strength cold rolled steel sheet having excellent stra...
Patent number
6,902,632
Issue date
Jun 7, 2005
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
High tensile strength cold rolled steel sheet having excellent stra...
Patent number
6,899,771
Issue date
May 31, 2005
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
High tensile cold-rolled steel sheet having excellent strain aging...
Patent number
6,702,904
Issue date
Mar 9, 2004
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet having excellent strain aging hardening pro...
Patent number
6,695,932
Issue date
Feb 24, 2004
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Grant
High tensile cold-rolled steel sheet excellent in ductility and in...
Patent number
6,692,584
Issue date
Feb 17, 2004
JFE Steel Corporation
Kei Sakata
C21 - METALLURGY OF IRON
Information
Patent Grant
Methods of producing steel plate, hot-dip steel plate and alloyed h...
Patent number
6,398,884
Issue date
Jun 4, 2002
Kawasaki Steel Corporation
Kazuaki Kyono
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled steel sheet having excellent stretch flang...
Patent number
6,364,968
Issue date
Apr 2, 2002
Kawasaki Steel Corporation
Eiko Yasuhara
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet having an ultrafine grain structure and proc...
Patent number
6,290,784
Issue date
Sep 18, 2001
Kawasaki Steel Corporation
Eiko Yasuhara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet for can and manufacturing method thereof
Patent number
6,221,180
Issue date
Apr 24, 2001
Kawasaki Steel Corporation
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing can steel strip
Patent number
6,171,416
Issue date
Jan 9, 2001
Kawasaki Steel Corporation
Makoto Aratani
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet for double wound pipe and method of producing the pipe
Patent number
6,110,299
Issue date
Aug 29, 2000
Kawasaki Steel Corporation
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing high-strength steel sheet used for can
Patent number
6,063,214
Issue date
May 16, 2000
Kawasaki Steel Corporation
Chikako Fujinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Extremely-thin steel sheets and method of producing the same
Patent number
6,042,952
Issue date
Mar 28, 2000
Kawasaki Steel Corporation
Makoto Aratani
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for making a steel sheet suitable as a material for can making
Patent number
5,759,306
Issue date
Jun 2, 1998
Kawasaki Steel Corporation
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing cold-rolled can steel sheet having less pla...
Patent number
5,725,697
Issue date
Mar 10, 1998
Kawasaki Steel Corporation
Chikako Fujinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing canning steel sheet with non-aging property...
Patent number
5,587,027
Issue date
Dec 24, 1996
Kawasaki Steel Corporation
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing small planar anisotropic high-strength thin...
Patent number
5,534,089
Issue date
Jul 9, 1996
Kawasaki Steel Corporation
Chikako Fujinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
High tensile cold rolled steel sheet and high tensile hot dip galva...
Patent number
5,074,926
Issue date
Dec 24, 1991
Kawasaki Steel Corp.
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and system for cooling strip
Patent number
4,974,424
Issue date
Dec 4, 1990
Kawasaki Steel Corp.
Akio Tosaka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot rolled steel sheet having high resistances against secondary-wo...
Patent number
4,931,106
Issue date
Jun 5, 1990
Kawasaki Steel Corporation
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Low yield ratio high-strength annealed steel sheet having good duct...
Patent number
4,830,686
Issue date
May 16, 1989
Kawasaki Steel Corporation
Koichi Hashiguchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing a low yield ratio high-strength steel sheet...
Patent number
4,770,719
Issue date
Sep 13, 1988
Kawasaki Steel Corporation
Koichi Hashiguchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and system for cooling strip
Patent number
4,709,557
Issue date
Dec 1, 1987
Kawasaki Steel Corporation
Akio Tosaka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
HIGH TENSILE STRENGTH HOT-ROLLED STEEL SHEET HAVING SUPERIOR STRAIN...
Publication number
20090202384
Publication date
Aug 13, 2009
JFE Steel Corporation, a corporation of Japan
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Application
Cold rolled steel sheet and galvanized steel sheet having strain ag...
Publication number
20040261920
Publication date
Dec 30, 2004
Kawasaki Steel Corporation, a Corporation of Japan
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
Cold rolled steel sheet and galvanized steel sheet having strain ag...
Publication number
20040103962
Publication date
Jun 3, 2004
Kawasaki Steel Corporation, a Corporation of Japan
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
Cold-rolled steel sheet and galvanized steel sheet having strain ag...
Publication number
20040105997
Publication date
Jun 3, 2004
Kawasaki Steel Corporation, a Corporation of Japan
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
Cold rolled steel sheet and galvanized steel sheet having strain ag...
Publication number
20040055672
Publication date
Mar 25, 2004
Kawasaki Steel Corporation, a Corporation of Japan
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
Cold rolled steel sheet and galvanized steel sheet having strain ag...
Publication number
20040050461
Publication date
Mar 18, 2004
Kawasaki Steel Corporation, a Corporation of Japan
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
High tensile hot-rolled steel sheet having excellent strain aging h...
Publication number
20040031547
Publication date
Feb 19, 2004
Kawasaki Steel Corporation
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Application
High tensile strength cold rolled steel sheet having excellent stra...
Publication number
20030188811
Publication date
Oct 9, 2003
Kawasaki Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
High tensile strength cold rolled steel sheet having excellent stra...
Publication number
20030145920
Publication date
Aug 7, 2003
Kawasaki Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
High tensile cold-rolled steel sheet excellent in ductility and in...
Publication number
20030047258
Publication date
Mar 13, 2003
Kei Sakata
C21 - METALLURGY OF IRON
Information
Patent Application
Cold-rolled steel sheet having excellent strain aging hardening pro...
Publication number
20030047257
Publication date
Mar 13, 2003
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
High tensile cold-rolled steel sheet having excellent strain aging...
Publication number
20030047256
Publication date
Mar 13, 2003
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
High tensile hot-rolled steel sheet having excellent strain aging h...
Publication number
20030041932
Publication date
Mar 6, 2003
Akio Tosaka
C21 - METALLURGY OF IRON
Information
Patent Application
Cold rolled steel sheet and galvanized steel sheet having strain ag...
Publication number
20030015263
Publication date
Jan 23, 2003
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
Hot rolled steel sheet having an ultrafine grain structure and proc...
Publication number
20010004910
Publication date
Jun 28, 2001
Kawasaki Steel Corp.
Eiko Yasuhara
C21 - METALLURGY OF IRON