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Michiro Komatsubara
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
10,147,527
Issue date
Dec 4, 2018
JFE Steel Corporation
Shigehiro Takajo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of making grain-oriented magnetic steel sheet having low iro...
Patent number
RE39482
Issue date
Feb 6, 2007
JFE Steel Corporation
Yasuyuki Hayakawa
148 - Metal treatment
Information
Patent Grant
Grain-oriented electromagnetic steel sheet
Patent number
6,929,704
Issue date
Aug 16, 2005
JFE Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electromagnetic steel sheet exhibiting extremely sma...
Patent number
6,758,915
Issue date
Jul 6, 2004
JFE Steel Corporation
Minoru Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing grain-oriented electrical steel sheet
Patent number
6,676,771
Issue date
Jan 13, 2004
JFE Steel Corporation
Minoru Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented magnetic steel sheet having low iron loss and high mag...
Patent number
6,531,001
Issue date
Mar 11, 2003
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing a grain-oriented electromagnetic steel sheet
Patent number
6,444,051
Issue date
Sep 3, 2002
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electromagnetic steel sheet
Patent number
6,444,050
Issue date
Sep 3, 2002
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented magnetic steel sheet having low iron loss and high mag...
Patent number
6,436,199
Issue date
Aug 20, 2002
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Electromagnetic steel sheet and process for producing the same
Patent number
6,432,227
Issue date
Aug 13, 2002
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making grain-oriented magnetic steel sheet having low iro...
Patent number
6,423,157
Issue date
Jul 23, 2002
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing magnetic steel sheet having superior worka...
Patent number
6,406,558
Issue date
Jun 18, 2002
Kawasaki Steel Corporation
Mitsumasa Kurosawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet having very low iron loss and...
Patent number
6,364,963
Issue date
Apr 2, 2002
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing grain-oriented electromagnetic steel sheet
Patent number
6,331,215
Issue date
Dec 18, 2001
Kawasaki Steel Corporation
Tetsuo Toge
C21 - METALLURGY OF IRON
Information
Patent Grant
Electromagnetic steel sheet and process for producing the same
Patent number
6,322,635
Issue date
Nov 27, 2001
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making grain-oriented magnetic steel sheet having low iro...
Patent number
6,309,473
Issue date
Oct 30, 2001
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet and method
Patent number
6,136,456
Issue date
Oct 24, 2000
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet excellent in magnetic charact...
Patent number
6,110,298
Issue date
Aug 29, 2000
Kawasaki Steel Corporation
Kunihiro Senda
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet having very low iron loss and...
Patent number
6,103,022
Issue date
Aug 15, 2000
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electromagnetic steel sheet
Patent number
6,083,326
Issue date
Jul 4, 2000
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electromagnetic steel sheet and process for producin...
Patent number
6,039,818
Issue date
Mar 21, 2000
Kawasaki Steel Corporation
Tetsuo Toge
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing grain-oriented silicon steel sheet exhibiti...
Patent number
RE36423
Issue date
Dec 7, 1999
Kawasaki Steel Corporation
Michiro Komatsubara
148 - Metal treatment
Information
Patent Grant
Method of producing grain-oriented magnetic steel sheet
Patent number
5,885,371
Issue date
Mar 23, 1999
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing t...
Patent number
5,853,499
Issue date
Dec 29, 1998
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing grain oriented silicon steel sheet, and decar...
Patent number
5,725,681
Issue date
Mar 10, 1998
Kawasaki Steel Corporation
Hirotake Ishitobi
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing t...
Patent number
5,718,775
Issue date
Feb 17, 1998
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing grain-oriented silicon steel sheet exhibiti...
Patent number
5,679,178
Issue date
Oct 21, 1997
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of cold rolling grain-oriented silicon steel sheet having ex...
Patent number
5,666,842
Issue date
Sep 16, 1997
Kawasaki Steel Corporation
Michiro Komatsubara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing grain-oriented silicon steel sheet having e...
Patent number
5,665,178
Issue date
Sep 9, 1997
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Decarburized steel sheet for thin oriented silicon steel sheet havi...
Patent number
5,571,342
Issue date
Nov 5, 1996
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET FOR LOW-NOISE TRANSFORMER, AN...
Publication number
20170016085
Publication date
Jan 19, 2017
JFE STEEL CORPORATION
Hiroaki TODA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20150248957
Publication date
Sep 3, 2015
JFE STEEL CORPORATION
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Application
Grain oriented electromagnetic steel sheet exhibiting extremely sma...
Publication number
20030136470
Publication date
Jul 24, 2003
Minoru Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
Grain-oriented electromagnetic steel sheet
Publication number
20030121566
Publication date
Jul 3, 2003
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Application
Method of manufacturing grain-oriented electrical steel sheet
Publication number
20030034092
Publication date
Feb 20, 2003
KAWASAKI STEEL CORPORATION
Minoru Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
Non-oriented magnetic steel sheet having low iron loss and high mag...
Publication number
20030024606
Publication date
Feb 6, 2003
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Application
Electromagnetic steel sheet and process for producing the same
Publication number
20020059966
Publication date
May 23, 2002
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Application
Method of manufacturing a grain-oriented electromagnetic steel sheet
Publication number
20020011278
Publication date
Jan 31, 2002
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Application
Method of making grain-oriented magnetic steel sheet having low iro...
Publication number
20010030001
Publication date
Oct 18, 2001
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON