Nao Yoshihara

Person

Kobe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-strength steel material having excellent fatigue properties
- Patent number 10,385,430
- Issue date Aug 20, 2019
- Kobe Steel, Ltd.
- Hiroshi Oura
- C21 - METALLURGY OF IRON
Information Patent Grant
High carbon steel wire rod having excellent drawability
- Patent number 9,994,940
- Issue date Jun 12, 2018
- Kobe Steel, Ltd.
- Hiroshi Oura
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength spring steel wire with excellent hydrogen embrittleme...
- Patent number 9,970,072
- Issue date May 15, 2018
- Kobe Steel, Ltd.
- Atsuhiko Takeda
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold formable spring steel wire excellent in cold cutting capabilit...
- Patent number 9,611,523
- Issue date Apr 4, 2017
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao Yoshihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-strength steel wire material exhibiting excellent cold-drawing...
- Patent number 9,540,718
- Issue date Jan 10, 2017
- Kobe Steel, Ltd.
- Tomonobu Ishida
- C21 - METALLURGY OF IRON
Information Patent Grant
High-carbon steel wire excellent in wire drawability and fatigue pr...
- Patent number 9,121,080
- Issue date Sep 1, 2015
- Kobe Steel, Ltd.
- Hiroshi Oura
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire rod for high-strength spring excellent in wire drawabili...
- Patent number 9,097,306
- Issue date Aug 4, 2015
- Kobe Steel, Ltd.
- Tomonobu Ishida
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring steel with excellent resistance to hydrogen embrittlement an...
- Patent number 8,557,061
- Issue date Oct 15, 2013
- Kabushiki Kaisha Kobe Seiko Sho
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire material for spring and its producing method
- Patent number 8,382,918
- Issue date Feb 26, 2013
- Kobe Steel, Ltd.
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring steel wire excellent in fatigue characteristic and wire draw...
- Patent number 8,192,562
- Issue date Jun 5, 2012
- Kobe Steel, Ltd.
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire for cold-formed spring excellent in corrosion resistance...
- Patent number 8,043,444
- Issue date Oct 25, 2011
- Kobe Steel, Ltd.
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring wire rod excelling in fatigue characteristics
- Patent number 7,901,520
- Issue date Mar 8, 2011
- Kobe Steel, Ltd.
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength steel with excellent unsusceptibility to hydrogen emb...
- Patent number 7,887,924
- Issue date Feb 15, 2011
- Kobe Steel, Ltd.
- Wataru Urushihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring produced by a process comprising coiling a hard drawn steel...
- Patent number 7,763,123
- Issue date Jul 27, 2010
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie Suda
- C21 - METALLURGY OF IRON
Information Patent Grant
Steels for high-strength springs excellent in cold workability and...
- Patent number 7,618,498
- Issue date Nov 17, 2009
- (Kobe Steel, Ltd.)
- Takuya Kochi
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire for hard drawn spring excellent in fatigue strength and...
- Patent number 7,597,768
- Issue date Oct 6, 2009
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie Suda
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring steel superior in workability
- Patent number 6,372,056
- Issue date Apr 16, 2002
- Kobe Steel Ltd.
- Takeshi Kuroda
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-heat treated wire or bar steel for springs
- Patent number 6,206,984
- Issue date Mar 27, 2001
- Kabushiki Kaisha Kobe Seiko Sho
- Atsushi Inada
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH STEEL MATERIAL HAVING EXCELLENT FATIGUE PROPERTIES
- Publication number 20180216214
- Publication date Aug 2, 2018
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hiroshi OURA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SPRING STEEL
- Publication number 20170022580
- Publication date Jan 26, 2017
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Sayaka Nagamatsu
- C21 - METALLURGY OF IRON
Information Patent Application
COIL SPRING, AND METHOD FOR MANUFACTURING SAME
- Publication number 20160160306
- Publication date Jun 9, 2016
- NHK Spring Co., Ltd.
- Fumio YAMAMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL WIRE MATERIAL EXHIBITING EXCELLENT COLD-DRAWING...
- Publication number 20160010196
- Publication date Jan 14, 2016
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tomonobu ISHIDA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGH-STRENGTH STEEL WIRE MATERIAL EXHIBITING EXCELLENT COLD-DRAWING...
- Publication number 20160002755
- Publication date Jan 7, 2016
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tomonobu ISHIDA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGH-STRENGTH SPRING STEEL WIRE WITH EXCELLENT HYDROGEN EMBRITTLEME...
- Publication number 20150292052
- Publication date Oct 15, 2015
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Atsuhiko Takeda
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH STRENGTH STEEL WIRE FOR SPRING EXCELLENT IN COILING PERFORMANC...
- Publication number 20150101715
- Publication date Apr 16, 2015
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Atsuhiko Takeda
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH CARBON STEEL WIRE ROD HAVING EXCELLENT DRAWABILITY
- Publication number 20130216423
- Publication date Aug 22, 2013
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hiroshi Oura
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE ROD FOR HIGH-STRENGTH SPRING EXCELLENT IN WIRE DRAWABILI...
- Publication number 20130127100
- Publication date May 23, 2013
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tomonobu Ishida
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-CARBON STEEL WIRE EXCELLENT IN WIRE DRAWABILITY AND FATIGUE PR...
- Publication number 20130022491
- Publication date Jan 24, 2013
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hiroshi Oura
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH SPRING STEEL
- Publication number 20120285585
- Publication date Nov 15, 2012
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Sayaka Nagamatsu
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE MATERIAL FOR SPRING AND ITS PRODUCING METHOD
- Publication number 20110303327
- Publication date Dec 15, 2011
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON
Information Patent Application
SPRING STEEL WIRE EXCELLENT IN FATIGUE CHARACTERISTIC AND WIRE DRAW...
- Publication number 20100034691
- Publication date Feb 11, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE FOR HARD DRAWN SPRING EXCELLENT IN FATIGUE STRENGTH AND...
- Publication number 20090283181
- Publication date Nov 19, 2009
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie SUDA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL WITH EXCELLENT UNSUSCEPTIBILITY TO HYDROGEN EMB...
- Publication number 20090035602
- Publication date Feb 5, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Wataru Urushihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SPRING WIRE ROD EXCELLING IN FATIGUE CHARACTERISTICS
- Publication number 20090025832
- Publication date Jan 29, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd)
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE MATERIAL FOR SPRING AND ITS PRODUCING METHOD
- Publication number 20090020189
- Publication date Jan 22, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON
Information Patent Application
Steel For Springs, Process Of Manufacture For Spring Using This Ste...
- Publication number 20080308195
- Publication date Dec 18, 2008
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao Yoshihara
- C21 - METALLURGY OF IRON
Information Patent Application
COLD FORMABLE SPRING STEEL WIRE EXCELLENT IN COLD CUTTING CAPABILIT...
- Publication number 20070137741
- Publication date Jun 21, 2007
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SPRING STEEL WIRE ROD EXCELLENT IN PICKLING PERFORMANCE
- Publication number 20070125455
- Publication date Jun 7, 2007
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON
Information Patent Application
SPRING STEEL WITH EXCELLENT RESISTANCE TO HYDROGEN EMBRITTLEMENT AN...
- Publication number 20070095439
- Publication date May 3, 2007
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE FOR COLD-FORMED SPRING EXCELLENT IN CORROSION RESISTANCE...
- Publication number 20060225819
- Publication date Oct 12, 2006
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON
Information Patent Application
Steels for high-strength springs excellent in cold workability and...
- Publication number 20060196584
- Publication date Sep 7, 2006
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Takuya Kochi
- C21 - METALLURGY OF IRON
Information Patent Application
Steel wire for hard drawn spring excellent in fatigue strength and...
- Publication number 20050173028
- Publication date Aug 11, 2005
- Sumie Suda
- C21 - METALLURGY OF IRON

Nao Yoshihara

Person

Patents Grantslast 30 patents

High-strength steel material having excellent fatigue properties

High carbon steel wire rod having excellent drawability

High-strength spring steel wire with excellent hydrogen embrittleme...

Cold formable spring steel wire excellent in cold cutting capabilit...

High-strength steel wire material exhibiting excellent cold-drawing...

High-carbon steel wire excellent in wire drawability and fatigue pr...

Steel wire rod for high-strength spring excellent in wire drawabili...

Spring steel with excellent resistance to hydrogen embrittlement an...

Steel wire material for spring and its producing method

Spring steel wire excellent in fatigue characteristic and wire draw...

Steel wire for cold-formed spring excellent in corrosion resistance...

Spring wire rod excelling in fatigue characteristics

High-strength steel with excellent unsusceptibility to hydrogen emb...

Spring produced by a process comprising coiling a hard drawn steel...

Steels for high-strength springs excellent in cold workability and...

Steel wire for hard drawn spring excellent in fatigue strength and...

Spring steel superior in workability

Non-heat treated wire or bar steel for springs

Patents Applicationslast 30 patents

HIGH-STRENGTH STEEL MATERIAL HAVING EXCELLENT FATIGUE PROPERTIES

HIGH-STRENGTH SPRING STEEL

COIL SPRING, AND METHOD FOR MANUFACTURING SAME

HIGH-STRENGTH STEEL WIRE MATERIAL EXHIBITING EXCELLENT COLD-DRAWING...

HIGH-STRENGTH STEEL WIRE MATERIAL EXHIBITING EXCELLENT COLD-DRAWING...

HIGH-STRENGTH SPRING STEEL WIRE WITH EXCELLENT HYDROGEN EMBRITTLEME...

HIGH STRENGTH STEEL WIRE FOR SPRING EXCELLENT IN COILING PERFORMANC...

HIGH CARBON STEEL WIRE ROD HAVING EXCELLENT DRAWABILITY

STEEL WIRE ROD FOR HIGH-STRENGTH SPRING EXCELLENT IN WIRE DRAWABILI...

HIGH-CARBON STEEL WIRE EXCELLENT IN WIRE DRAWABILITY AND FATIGUE PR...

HIGH-STRENGTH SPRING STEEL

STEEL WIRE MATERIAL FOR SPRING AND ITS PRODUCING METHOD

SPRING STEEL WIRE EXCELLENT IN FATIGUE CHARACTERISTIC AND WIRE DRAW...

STEEL WIRE FOR HARD DRAWN SPRING EXCELLENT IN FATIGUE STRENGTH AND...

HIGH-STRENGTH STEEL WITH EXCELLENT UNSUSCEPTIBILITY TO HYDROGEN EMB...

SPRING WIRE ROD EXCELLING IN FATIGUE CHARACTERISTICS

STEEL WIRE MATERIAL FOR SPRING AND ITS PRODUCING METHOD

Steel For Springs, Process Of Manufacture For Spring Using This Ste...

COLD FORMABLE SPRING STEEL WIRE EXCELLENT IN COLD CUTTING CAPABILIT...

SPRING STEEL WIRE ROD EXCELLENT IN PICKLING PERFORMANCE

SPRING STEEL WITH EXCELLENT RESISTANCE TO HYDROGEN EMBRITTLEMENT AN...

STEEL WIRE FOR COLD-FORMED SPRING EXCELLENT IN CORROSION RESISTANCE...

Steels for high-strength springs excellent in cold workability and...

Steel wire for hard drawn spring excellent in fatigue strength and...