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Kenichiro Miyamoto
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Low-oxygen clean steel and low-oxygen clean steel product
Patent number
10,526,686
Issue date
Jan 7, 2020
Nippon Steel Corporation
Michimasa Aono
C21 - METALLURGY OF IRON
Information
Patent Grant
Spring steel and method for producing the same
Patent number
10,202,665
Issue date
Feb 12, 2019
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cast steel and steel material with excellent workability, method fo...
Patent number
6,918,969
Issue date
Jul 19, 2005
Nippon Steel Corporation
Masafumi Zeze
C21 - METALLURGY OF IRON
Information
Patent Grant
Cast steel piece and steel product excellent in forming characteris...
Patent number
6,585,799
Issue date
Jul 1, 2003
Nippon Steel Corporation
Masafumi Zeze
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for vacuum decarburization refining of molten...
Patent number
6,468,467
Issue date
Oct 22, 2002
Nippon Steel Corporation
Kenichiro Miyamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of vacuum decarburization/refining of molten steel
Patent number
6,190,435
Issue date
Feb 20, 2001
Nippon Steel Corporation
Kenichiro Miyamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Vacuum refining method for molten steel
Patent number
5,902,374
Issue date
May 11, 1999
Nippon Steel Corporation
Shinya Kitamura
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
SPRING STEEL AND METHOD FOR PRODUCING THE SAME
Publication number
20170044633
Publication date
Feb 16, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masayuki HASHIMURA
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-OXYGEN CLEAN STEEL AND LOW-OXYGEN CLEAN STEEL PRODUCT
Publication number
20160053352
Publication date
Feb 25, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Michimasa AONO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Material for Electrical/Electronic Use
Publication number
20130292008
Publication date
Nov 7, 2013
TOKURIKI HONTEN CO., LTD.
Ryu Shishino
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Machine structural steel excellent in machinability and strength pr...
Publication number
20100124515
Publication date
May 20, 2010
NIPPON STEEL CORPORATION
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Application
MACHINING STEEL SUPERIOR IN MANUFACTURABILITY
Publication number
20100054984
Publication date
Mar 4, 2010
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
Machine Structural Steel Excellent in Machinability and Strength Pr...
Publication number
20090274573
Publication date
Nov 5, 2009
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Application
Cast steel and steel material with excellent workability, method fo...
Publication number
20030015260
Publication date
Jan 23, 2003
NIPPON STEEL CORPORATION
Masafumi Zeze
C21 - METALLURGY OF IRON