Masaaki Igarashi

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing Ni base alloy pipe stock
- Patent number 9,034,125
- Issue date May 19, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Austenitic heat resistant alloy, heat resistant pressure member com...
- Patent number 8,801,877
- Issue date Aug 12, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Hiroyuki Semba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fe-Ni alloy pipe stock and method for manufacturing the same
- Patent number 8,784,581
- Issue date Jul 22, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Masaaki Igarashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing a high alloy pipe
- Patent number 8,701,455
- Issue date Apr 22, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Masayuki Sagara
- C21 - METALLURGY OF IRON
Information Patent Grant
Austenitic stainless steel for hydrogen gas and a method for its ma...
- Patent number 8,696,835
- Issue date Apr 15, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Hiroyuki Semba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Low alloy steel for high-pressure hydrogen gas environment and cont...
- Patent number 8,663,400
- Issue date Mar 4, 2014
- Sumitomo Metal Industries, Ltd.
- Tomohiko Omura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ni-base heat resistant alloy
- Patent number 8,293,169
- Issue date Oct 23, 2012
- Sumitomo Metal Industries, Ltd.
- Hiroyuki Semba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Austenitic stainless steel welded joint and austenitic stainless st...
- Patent number 8,137,613
- Issue date Mar 20, 2012
- Sumitomo Metal Industries, Ltd.
- Takahiro Osuki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High strength Cr-Ni alloy material and seamless pipe for oil well
- Patent number 8,071,020
- Issue date Dec 6, 2011
- Sumitomo Metal Industries, Ltd.
- Yohei Otome
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Low alloy steel
- Patent number 7,935,303
- Issue date May 3, 2011
- Sumitomo Metal Industries, Ltd.
- Takashi Nakashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Stainless steel for high-pressure hydrogen gas
- Patent number 7,749,431
- Issue date Jul 6, 2010
- Sumitomo Metal Industries, Ltd.
- Masaaki Igarashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Austenitic Fe-Ni-Cr alloy
- Patent number 7,731,895
- Issue date Jun 8, 2010
- Sumitomo Metal Industries, Ltd.
- Hirokazu Okada
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless steel and method for manufacturing same
- Patent number 7,662,244
- Issue date Feb 16, 2010
- Sumitomo Metal Industries, Ltd.
- Mitsuru Yoshizawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Stainless steel for high-pressure hydrogen gas
- Patent number 7,531,129
- Issue date May 12, 2009
- Sumitomo Metal Industries, Ltd.
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Welded joint made of an austenitic steel
- Patent number 7,393,597
- Issue date Jul 1, 2008
- Sumitomo Metal Industries, Ltd.
- Kazuhiko Ogawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Martensitic stainless steel
- Patent number 7,361,236
- Issue date Apr 22, 2008
- Sumitomo Metal Industries, Ltd.
- Kunio Kondo
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat-resistant martensite alloy excellent in high-temperature creep...
- Patent number 7,128,791
- Issue date Oct 31, 2006
- National Institute for Materials Science
- Toshiaki Horiuchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Austenitic stainless steel
- Patent number 6,918,968
- Issue date Jul 19, 2005
- Sumitomo Metal Industries, Ltd.
- Hiroyuki Semba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Heat resisting steel containing a ferrite or tempered martensite st...
- Patent number 6,299,704
- Issue date Oct 9, 2001
- Japan as represented by Director General of National Research Institute for M...
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-strength welded steel structures having excellent corrosion re...
- Patent number 6,129,999
- Issue date Oct 10, 2000
- Sumitomo Metal Industries, Ltd.
- Masakatsu Ueda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Duplex stainless steel
- Patent number 5,849,111
- Issue date Dec 15, 1998
- Sumitomo Metal Industries, Ltd.
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Low Mn-low Cr ferritic heat resistant steel excellent in strength a...
- Patent number 5,746,843
- Issue date May 5, 1998
- Sumitomo Metal Industries, Ltd.
- Kaori Miyata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High chromium ferritic heat-resistant steel
- Patent number 5,591,391
- Issue date Jan 7, 1997
- Sumitomo Metal Industries, Ltd.
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Precipitation-hardening-type Ni-base alloy exhibiting improved corr...
- Patent number 5,217,684
- Issue date Jun 8, 1993
- Sumitomo Metal Industries, Ltd.
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Precipitation-hardening-type ni-base alloy exhibiting improved corr...
- Patent number 5,000,914
- Issue date Mar 19, 1991
- Sumitomo Metal Industries, Ltd.
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Precipitation-hardening nickel-base alloy and method of producing same
- Patent number 4,652,315
- Issue date Mar 24, 1987
- Sumitomo Metal Industries, Ltd.
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN...
- Publication number 20160304983
- Publication date Oct 20, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tomohiko OMURA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN...
- Publication number 20140017111
- Publication date Jan 16, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tomohiko Omura
- C21 - METALLURGY OF IRON
Information Patent Application
Ni BASE ALLOY PIPE STOCK AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20130283879
- Publication date Oct 31, 2013
- Masaaki IGARASHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AUSTENITIC HEAT RESISTANT ALLOY, HEAT RESISTANT PRESSURE MEMBER COM...
- Publication number 20130263974
- Publication date Oct 10, 2013
- Hiroyuki SEMBA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH Cr-Ni ALLOY SEAMLESS PIPE
- Publication number 20120031534
- Publication date Feb 9, 2012
- Sumitomo Metal Industries, Ltd.
- Yohei OTOME
- C21 - METALLURGY OF IRON
Information Patent Application
Ni-BASE HEAT RESISTANT ALLOY
- Publication number 20110223055
- Publication date Sep 15, 2011
- Sumitomo Metal Industries, Ltd.
- Hiroyuki SEMBA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AUSTENITIC HEAT RESISTANT ALLOY, HEAT RESISTANT PRESSURE MEMBER COM...
- Publication number 20110088819
- Publication date Apr 21, 2011
- Sumitomo Metal Industries, Ltd.
- Hiroyuki SEMBA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AUSTENITIC STAINLESS STEEL FOR HYDROGEN GAS AND A METHOD FOR ITS MA...
- Publication number 20110064649
- Publication date Mar 17, 2011
- Sumitomo Metal Industries, Ltd.
- Hiroyuki SEMBA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING A HIGH ALLOY PIPE
- Publication number 20100170320
- Publication date Jul 8, 2010
- Masayuki Sagara
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT RESISTANT FERRITIC STEEL
- Publication number 20100086430
- Publication date Apr 8, 2010
- Hiroyuki Hirata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Austenitic stainless steel welded joint and austenitic stainless st...
- Publication number 20100062279
- Publication date Mar 11, 2010
- Takahiro Osuki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH STRENGTH Cr-Ni ALLOY MATERIAL AND SEAMLESS PIPE FOR OIL WELL
- Publication number 20090291017
- Publication date Nov 26, 2009
- Yohei Otome
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
LOW ALLOY STEEL FOR HIGH-PRESSURE HYDROGEN GAS ENVIRONMENT AND CONT...
- Publication number 20090285713
- Publication date Nov 19, 2009
- Sumitomo Metal Industries, Ltd.
- Tomohiko Omura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Austenitic stainless steel welded joint and austenitic stainless st...
- Publication number 20090196783
- Publication date Aug 6, 2009
- Takahiro Osuki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Low alloy steel
- Publication number 20080156400
- Publication date Jul 3, 2008
- Takashi Nakashima
- C21 - METALLURGY OF IRON
Information Patent Application
Ferritic heat resistant steel
- Publication number 20080112837
- Publication date May 15, 2008
- Mitsuru Yoshizawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Austenitic stainless steel
- Publication number 20080089803
- Publication date Apr 17, 2008
- Hirokazu Okada
- C21 - METALLURGY OF IRON
Information Patent Application
Low alloy steel
- Publication number 20080050265
- Publication date Feb 28, 2008
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Ni base alloy pipe stock and method for manufacturing the same
- Publication number 20070181225
- Publication date Aug 9, 2007
- Masaaki Igarashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Fe-Ni alloy pipe stock and method for manufacturing the same
- Publication number 20070175547
- Publication date Aug 2, 2007
- Masaaki Igarashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Steel and component of structural equipment for use in a hydrogen g...
- Publication number 20060191600
- Publication date Aug 31, 2006
- Tomohiko Omura
- C21 - METALLURGY OF IRON
Information Patent Application
Welded joint made of an austenitic steel
- Publication number 20060191606
- Publication date Aug 31, 2006
- Kazuhiko Ogawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Austenitic stainless steel for hydrogen gas and method for its manu...
- Publication number 20060193743
- Publication date Aug 31, 2006
- Hiroyuki Semba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Ferritic heat-resistant steel and method for producing it
- Publication number 20060054253
- Publication date Mar 16, 2006
- NOBUYUKI FUJITSUNA
- C21 - METALLURGY OF IRON
Information Patent Application
Martensitic stainless steel
- Publication number 20050274436
- Publication date Dec 15, 2005
- Kunio Kondo
- C21 - METALLURGY OF IRON
Information Patent Application
Stainless steel for high-pressure hydrogen gas, and container and d...
- Publication number 20050178477
- Publication date Aug 18, 2005
- Masaaki Igarashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Stainless steel for high-pressure hydrogen gas, and container and d...
- Publication number 20050178478
- Publication date Aug 18, 2005
- Masaaki Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Austenitic stainless steel
- Publication number 20040234408
- Publication date Nov 25, 2004
- Hiroyuki Semba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Heat-resistant martensite alloy excellent in high-temperature creep...
- Publication number 20040057862
- Publication date Mar 25, 2004
- Toshiaki Horiuchi
- C21 - METALLURGY OF IRON
Information Patent Application
Martensitic stainless steel and method for manufacturing same
- Publication number 20030217789
- Publication date Nov 27, 2003
- Mitsuru Yoshizawa
- C21 - METALLURGY OF IRON

Masaaki Igarashi

Person

Patents Grantslast 30 patents

Method for manufacturing Ni base alloy pipe stock

Austenitic heat resistant alloy, heat resistant pressure member com...

Fe-Ni alloy pipe stock and method for manufacturing the same

Method for manufacturing a high alloy pipe

Austenitic stainless steel for hydrogen gas and a method for its ma...

Low alloy steel for high-pressure hydrogen gas environment and cont...

Ni-base heat resistant alloy

Austenitic stainless steel welded joint and austenitic stainless st...

High strength Cr-Ni alloy material and seamless pipe for oil well

Low alloy steel

Stainless steel for high-pressure hydrogen gas

Austenitic Fe-Ni-Cr alloy

Martensitic stainless steel and method for manufacturing same

Stainless steel for high-pressure hydrogen gas

Welded joint made of an austenitic steel

Martensitic stainless steel

Heat-resistant martensite alloy excellent in high-temperature creep...

Austenitic stainless steel

Heat resisting steel containing a ferrite or tempered martensite st...

High-strength welded steel structures having excellent corrosion re...

Duplex stainless steel

Low Mn-low Cr ferritic heat resistant steel excellent in strength a...

High chromium ferritic heat-resistant steel

Precipitation-hardening-type Ni-base alloy exhibiting improved corr...

Precipitation-hardening-type ni-base alloy exhibiting improved corr...

Precipitation-hardening nickel-base alloy and method of producing same

Patents Applicationslast 30 patents

HIGH-STRENGTH AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN...

HIGH-STRENGTH AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN...

Ni BASE ALLOY PIPE STOCK AND METHOD FOR MANUFACTURING THE SAME

AUSTENITIC HEAT RESISTANT ALLOY, HEAT RESISTANT PRESSURE MEMBER COM...

METHOD FOR PRODUCING HIGH-STRENGTH Cr-Ni ALLOY SEAMLESS PIPE

Ni-BASE HEAT RESISTANT ALLOY

AUSTENITIC HEAT RESISTANT ALLOY, HEAT RESISTANT PRESSURE MEMBER COM...

AUSTENITIC STAINLESS STEEL FOR HYDROGEN GAS AND A METHOD FOR ITS MA...

METHOD FOR MANUFACTURING A HIGH ALLOY PIPE

HEAT RESISTANT FERRITIC STEEL

Austenitic stainless steel welded joint and austenitic stainless st...

HIGH STRENGTH Cr-Ni ALLOY MATERIAL AND SEAMLESS PIPE FOR OIL WELL

LOW ALLOY STEEL FOR HIGH-PRESSURE HYDROGEN GAS ENVIRONMENT AND CONT...

Austenitic stainless steel welded joint and austenitic stainless st...

Low alloy steel

Ferritic heat resistant steel

Austenitic stainless steel

Low alloy steel

Ni base alloy pipe stock and method for manufacturing the same

Fe-Ni alloy pipe stock and method for manufacturing the same

Steel and component of structural equipment for use in a hydrogen g...

Welded joint made of an austenitic steel

Austenitic stainless steel for hydrogen gas and method for its manu...

Ferritic heat-resistant steel and method for producing it

Martensitic stainless steel

Stainless steel for high-pressure hydrogen gas, and container and d...

Stainless steel for high-pressure hydrogen gas, and container and d...

Austenitic stainless steel

Heat-resistant martensite alloy excellent in high-temperature creep...

Martensitic stainless steel and method for manufacturing same