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Yasuhiko Sakaguchi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Finish heat treatment method and finish heat treatment apparatus fo...
Patent number
9,815,115
Issue date
Nov 14, 2017
JFE Steel Corporation
Yasuhiko Sakaguchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Finish heat treatment method and finish heat treatment apparatus fo...
Patent number
9,321,103
Issue date
Apr 26, 2016
JFE Steel Corporation
Yasuhiko Sakaguchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process and apparatus for refining silicon
Patent number
6,231,826
Issue date
May 15, 2001
Kawasaki Steel Corporation
Kazuhiro Hanazawa
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing silicon for use in solar cells
Patent number
6,090,361
Issue date
Jul 18, 2000
Kawasaki Steel Corporation
Hiroyuki Baba
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process and apparatus for manufacturing polycrystalline silicon, an...
Patent number
5,961,944
Issue date
Oct 5, 1999
Kawasaki Steel Corporation
Fukuo Aratani
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for producing high-purity metallic silicon and apparatus the...
Patent number
5,104,633
Issue date
Apr 14, 1992
Kawasaki Steel Corporation, Technical Research Division
Yasuhiko Sakaguchi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for the transportation of a particulate material at controll...
Patent number
4,758,117
Issue date
Jul 19, 1988
Kawasaki Steel Corp.
Yunosuke Maki
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
FINISH HEAT TREATMENT METHOD AND FINISH HEAT TREATMENT APPARATUS FO...
Publication number
20160114391
Publication date
Apr 28, 2016
JFE STEEL CORPORATION
Yasuhiko Sakaguchi
C21 - METALLURGY OF IRON
Information
Patent Application
FINISH HEAT TREATMENT METHOD AND FINISH HEAT TREATMENT APPARATUS FO...
Publication number
20140048184
Publication date
Feb 20, 2014
JFE STEEL CORPORATION
Yasuhiko Sakaguchi
C21 - METALLURGY OF IRON
Information
Patent Application
Process for producing sponge iron and reduced iron powder sponge ir...
Publication number
20050193862
Publication date
Sep 8, 2005
JFE STEEL CORPORATION
Yoshitomo Suzuki
C21 - METALLURGY OF IRON