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Takehiko Toh
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Continuous casting apparatus for steel
Patent number
8,418,749
Issue date
Apr 16, 2013
Nippon Steel & Sumitomo Metal Corporation
Takehiko Toh
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Continuous casting method of molten metal
Patent number
8,210,239
Issue date
Jul 3, 2012
Nippon Steel Corporation
Takehiko Toh
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for casting molten metal, apparatus for the same, and cast slab
Patent number
6,773,829
Issue date
Aug 10, 2004
Nippon Steel Corporation
Katsuhiro Sasai
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Evaluation apparatus for cleanliness of metal and method thereof
Patent number
6,555,063
Issue date
Apr 29, 2003
Nippon Steel Corporation
Kazushige Umezawa
G01 - MEASURING TESTING
Information
Patent Grant
Method for casting molten metal
Patent number
6,443,219
Issue date
Sep 3, 2002
Nippon Steel Corporation
Katsuhiro Sasai
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Evaluation apparatus for cleanliness of metal and method thereof
Patent number
6,432,718
Issue date
Aug 13, 2002
Nippon Steel Corporation
Kazushige Umezawa
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for continuous casting of metal
Patent number
6,336,496
Issue date
Jan 8, 2002
Nippon Steel Corporation
Shigeo Asai
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Evaluation method for cleanliness of metal
Patent number
5,985,674
Issue date
Nov 16, 1999
Nippon Steel Corporation
Kazushige Umezawa
G01 - MEASURING TESTING
Information
Patent Grant
Quality prediction and quality control of continuous-cast steel
Patent number
5,884,685
Issue date
Mar 23, 1999
Nippon Steel Corporation
Kazushige Umezawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Continuous casting method and apparatus
Patent number
5,746,268
Issue date
May 5, 1998
Nippon Steel Corporation
Keisuke Fujisaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for continuous casting of molten metal and apparatus for th...
Patent number
5,722,480
Issue date
Mar 3, 1998
Nippon Steel Corporation
Shigeo Asai
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for regulating flow of molten steel within mold by utilizing...
Patent number
5,657,816
Issue date
Aug 19, 1997
Nippon Steel Corporation
Hiroshi Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for producing thin sheet by continuous casting in twin-roll...
Patent number
5,439,046
Issue date
Aug 8, 1995
Nippon Steel Corporation
Kenichi Miyazawa
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
CONTINUOUS CASTING APPARATUS FOR STEEL
Publication number
20140190655
Publication date
Jul 10, 2014
NIPPON STEEL & SUMITOMO METAL CORPORATION
Takehiko Toh
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CONTINUOUS CASTING APPARATUS FOR STEEL
Publication number
20110209847
Publication date
Sep 1, 2011
Takehiko Toh
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CONTINUOUS CASTING METHOD OF MOLTEN METAL
Publication number
20100059197
Publication date
Mar 11, 2010
Takehiko Toh
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method for casting molten metal, apparatus for the same, and cast slab
Publication number
20020096308
Publication date
Jul 25, 2002
NIPPON STEEL CORPORATION
Katsuhiro Sasai
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method for casting molten metal, apparatus for the same, and cast slab
Publication number
20020092642
Publication date
Jul 18, 2002
NIPPON STEEL CORPORATION
Katsuhiro Sasai
B22 - CASTING POWDER METALLURGY