Kotobu Nagai

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Welding equipment for metallic materials and method for welding met...
- Patent number 10,189,112
- Issue date Jan 29, 2019
- Neturen Co., Ltd.
- Takahiko Kanai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding structural part and welding method of the same
- Patent number 9,498,840
- Issue date Nov 22, 2016
- Neturen Co., Ltd.
- Takahiko Kanai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding equipment for metallic materials and method for welding met...
- Patent number 9,079,266
- Issue date Jul 14, 2015
- Neturen Co., Ltd.
- Takahiko Kanai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-strength and high-ductility die-quenched parts and method of m...
- Patent number 8,932,416
- Issue date Jan 13, 2015
- Nissan Motor Co., Ltd.
- Eizaburou Nakanishi
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength formed article comprising hyperfine grain structure s...
- Patent number 8,070,888
- Issue date Dec 6, 2011
- National Institute for Materials Science
- Shiro Torizuka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Controlled warm-rolling method
- Patent number 7,727,343
- Issue date Jun 1, 2010
- National Institute for Materials Science
- Shiro Torizuka
- C21 - METALLURGY OF IRON
Information Patent Grant
Large strain-introducing working method and caliber rolling device
- Patent number 7,647,804
- Issue date Jan 19, 2010
- National Institute for Materials Science
- Tadanobu Inoue
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
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-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 Applicationslast 30 patents

Information Patent Application
WELDING EQUIPMENT FOR METALLIC MATERIALS AND METHOD FOR WELDING MET...
- Publication number 20190099829
- Publication date Apr 4, 2019
- Neturen Co., Ltd.
- Takahiko Kanai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING EQUIPMENT FOR METALLIC MATERIALS AND METHOD FOR WELDING MET...
- Publication number 20150306696
- Publication date Oct 29, 2015
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Takahiko Kanai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING STRUCTURAL PART AND WELDING METHOD OF THE SAME
- Publication number 20120129006
- Publication date May 24, 2012
- Neturen Co., Ltd.
- Takahiko Kanai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH-STRENGTH AND HIGH-DUCTILITY DIE-QUENCHED PARTS AND METHOD OF M...
- Publication number 20120118440
- Publication date May 17, 2012
- NISSAN MOTOR CO., LTD.
- Eizaburou Nakanishi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WELDING EQUIPMENT FOR METALLIC MATERIALS AND METHOD FOR WELDING MET...
- Publication number 20110303655
- Publication date Dec 15, 2011
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Takahiko Kanai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
FORMED PRODUCT AND METHOD FOR PRODUCTION THEREOF
- Publication number 20100173716
- Publication date Jul 8, 2010
- Shiro TORIZUKA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
EXCELLENT COLD-WORKABILITY EXHIBITING HIGH-STRENGTH STEEL, WIRE OR...
- Publication number 20100051144
- Publication date Mar 4, 2010
- Shiro Torizuka
- 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
ULTRAHIGH STRENGTH STEEL SHEET AND STRENGTH PART FOR AUTOMOBILE UTI...
- Publication number 20090236015
- Publication date Sep 24, 2009
- NISSAN MOTOR CO., LTD.
- Hideyuki Sasaoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STEEL PLATE AND STEEL PLATE COIL
- Publication number 20090185943
- Publication date Jul 23, 2009
- National Institute for Materials Science
- Tadanobu Inoue
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Formed product and method for production thereof
- Publication number 20080210351
- Publication date Sep 4, 2008
- Shiro TORIZUKA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
High Strength Formed Article Comprising Hyperfine Grain Structure S...
- Publication number 20080135140
- Publication date Jun 12, 2008
- Shiro Torizuka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Excellent Cold-Workability Exhibiting High-Strength Steel Wire or S...
- Publication number 20080041503
- Publication date Feb 21, 2008
- Shiro Torizuka
- 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
Large strain introducing working method and caliber rolling device
- Publication number 20060260375
- Publication date Nov 23, 2006
- Tadanobu Inoue
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Warm rolling method
- Publication number 20060191613
- Publication date Aug 31, 2006
- Shiro Torizuka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Controlled warm-rolling method
- Publication number 20060054255
- Publication date Mar 16, 2006
- Shiro Torizuka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Formed product and method for production thereof
- Publication number 20050271496
- Publication date Dec 8, 2005
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Shiro Torizuka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
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

Kotobu Nagai

Person

Patents Grantslast 30 patents

Welding equipment for metallic materials and method for welding met...

Welding structural part and welding method of the same

Welding equipment for metallic materials and method for welding met...

High-strength and high-ductility die-quenched parts and method of m...

High strength formed article comprising hyperfine grain structure s...

Controlled warm-rolling method

Large strain-introducing working method and caliber rolling device

Fine ferrite-based structure steel production method

Production method of ultra fine grain steel

High-strength metal solidified material and acid steel and manufact...

High strength phosphorus-containing steel and method for producing...

Ultra-fine grain steel and method for producing it

Oxides dispersion steel and making process thereof

Patents Applicationslast 30 patents

WELDING EQUIPMENT FOR METALLIC MATERIALS AND METHOD FOR WELDING MET...

WELDING EQUIPMENT FOR METALLIC MATERIALS AND METHOD FOR WELDING MET...

WELDING STRUCTURAL PART AND WELDING METHOD OF THE SAME

HIGH-STRENGTH AND HIGH-DUCTILITY DIE-QUENCHED PARTS AND METHOD OF M...

WELDING EQUIPMENT FOR METALLIC MATERIALS AND METHOD FOR WELDING MET...

HEAVY WALL STEEL MATERIAL HAVING SUPERIOR WELDABILITY AND METHOD FO...

FORMED PRODUCT AND METHOD FOR PRODUCTION THEREOF

EXCELLENT COLD-WORKABILITY EXHIBITING HIGH-STRENGTH STEEL, WIRE OR...

Steel for Warm Working, Warm Working Method Using the Steel, and St...

ULTRAHIGH STRENGTH STEEL SHEET AND STRENGTH PART FOR AUTOMOBILE UTI...

STEEL PLATE AND STEEL PLATE COIL

Formed product and method for production thereof

High Strength Formed Article Comprising Hyperfine Grain Structure S...

Excellent Cold-Workability Exhibiting High-Strength Steel Wire or S...

Heavy wall steel material having superior weldability and method fo...

Large strain introducing working method and caliber rolling device

Warm rolling method

Controlled warm-rolling method

Formed product and method for production thereof

Heavy wall steel material having superior weldability and method fo...

Heavy wall steel material having superior weldability and method fo...

Heavy wall steel material having superior weldability and method fo...

FINE FERRITE-BASED STRUCTURE STEEL AND PRODUCTION METHOD THEREOF