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Kaneaki Tsuzaki
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fine ferrite-based structure steel production method
Patent number
6,572,716
Issue date
Jun 3, 2003
National Research Institute for Metals
Tohru Hayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of evaluating high fatigue strength material in high tensile...
Patent number
6,546,808
Issue date
Apr 15, 2003
National Institute for Materials Science
Tatsuaki Sawai
G01 - MEASURING TESTING
Information
Patent Grant
Method for setting shape and working stress, and working environmen...
Patent number
6,523,416
Issue date
Feb 25, 2003
Kawasaki Steel Corporation
Shusaku Takagi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production method of ultra fine grain steel
Patent number
6,464,807
Issue date
Oct 15, 2002
Japan as represented by Director General of National Research Institute for M...
Shiro Torizuka
C21 - METALLURGY OF IRON
Information
Patent Grant
High toughness steel and a method for manufacturing the same
Patent number
6,348,108
Issue date
Feb 19, 2002
National Research Institute for Metals
Satoru Yusa
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength metal solidified material and acid steel and manufact...
Patent number
6,332,905
Issue date
Dec 25, 2001
Japan as represented by Director General of National Research Institute for M...
Minoru Ootaguchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High strength phosphorus-containing steel and method for producing...
Patent number
6,287,397
Issue date
Sep 11, 2001
Japan as represented by Director General of National Research Institute of Me...
Toshihiro Hanamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-fine grain steel and method for producing it
Patent number
6,221,178
Issue date
Apr 24, 2001
National Research Institute for Metals
Shiro Torizuka
C21 - METALLURGY OF IRON
Information
Patent Grant
Oxides dispersion steel and making process thereof
Patent number
6,129,791
Issue date
Oct 10, 2000
Japan as represented by Director General of National Research Institute for M...
Hiroshi Nakajima
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HEAVY WALL STEEL MATERIAL HAVING SUPERIOR WELDABILITY AND METHOD FO...
Publication number
20110083775
Publication date
Apr 14, 2011
Hiroshi Nakajima
C21 - METALLURGY OF IRON
Information
Patent Application
Steel for Warm Working, Warm Working Method Using the Steel, and St...
Publication number
20090277539
Publication date
Nov 12, 2009
Yuuji Kimura
C21 - METALLURGY OF IRON
Information
Patent Application
Heavy wall steel material having superior weldability and method fo...
Publication number
20070119527
Publication date
May 31, 2007
Hiroshi Nakajima
C21 - METALLURGY OF IRON
Information
Patent Application
Heavy wall steel material having superior weldability and method fo...
Publication number
20050178482
Publication date
Aug 18, 2005
Hiroshi Nakajima
C21 - METALLURGY OF IRON
Information
Patent Application
Heavy wall steel material having superior weldability and method fo...
Publication number
20030145917
Publication date
Aug 7, 2003
Hiroshi Nakajima
C21 - METALLURGY OF IRON
Information
Patent Application
Method for setting shape and working stress, and working environmen...
Publication number
20020043111
Publication date
Apr 18, 2002
Shusaku Takagi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method of evaluating high fatigue strength material in high tensile...
Publication number
20020033053
Publication date
Mar 21, 2002
Tatsuaki Sawai
G01 - MEASURING TESTING
Information
Patent Application
Heavy wall steel material having superior weldability and method fo...
Publication number
20020026969
Publication date
Mar 7, 2002
Hiroshi Nakajima
C21 - METALLURGY OF IRON
Information
Patent Application
FINE FERRITE-BASED STRUCTURE STEEL AND PRODUCTION METHOD THEREOF
Publication number
20020014285
Publication date
Feb 7, 2002
TOHRU HAYASHI
C21 - METALLURGY OF IRON