Hisashi Amaya

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Steel bar for downhole member, and downhole member
- Patent number 10,995,394
- Issue date May 4, 2021
- Nippon Steel Corporation
- Daisuke Matsuo
- C21 - METALLURGY OF IRON
Information Patent Grant
Duplex stainless steel
- Patent number 10,000,832
- Issue date Jun 19, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Hideki Takabe
- C21 - METALLURGY OF IRON
Information Patent Grant
Stainless steel for oil wells and stainless steel pipe for oil wells
- Patent number 9,783,876
- Issue date Oct 10, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Shinjiro Nakatsuka
- C21 - METALLURGY OF IRON
Information Patent Grant
Duplex stainless steel and production method therefor
- Patent number 9,771,628
- Issue date Sep 26, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Daisuke Motoya
- C21 - METALLURGY OF IRON
Information Patent Grant
Welded joint of duplex stainless steel
- Patent number 9,579,870
- Issue date Feb 28, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Hiroyuki Nagayama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for producing welded joint using GMA welding and CO2 as a s...
- Patent number 9,555,496
- Issue date Jan 31, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Kenta Yamada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Stainless steel for oil well, stainless steel pipe for oil well, an...
- Patent number 9,322,087
- Issue date Apr 26, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Hideki Takabe
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength stainless steel for oil well and high-strength stainl...
- Patent number 9,303,296
- Issue date Apr 5, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Taro Ohe
- C21 - METALLURGY OF IRON
Information Patent Grant
Stainless steel for oil well, stainless steel pipe for oil well, an...
- Patent number 9,109,268
- Issue date Aug 18, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Hideki Takabe
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless steel oil country tubular good
- Patent number 9,090,957
- Issue date Jul 28, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Hisashi Amaya
- C21 - METALLURGY OF IRON
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
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
High-strength stainless steel pipe excellent in sulfide stress crac...
- Patent number 8,608,872
- Issue date Dec 17, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Kunio Kondo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Martensitic stainless steel for welded structures
- Patent number 8,163,233
- Issue date Apr 24, 2012
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Martensitic stainless steel
- Patent number 8,157,930
- Issue date Apr 17, 2012
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Martensitic stainless steel
- Patent number 7,767,039
- Issue date Aug 3, 2010
- Sumitomo Metal Industries, Ltd.
- Kunio Kondo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steel pipe for embedding-expanding, and method of embedding-expandi...
- Patent number 7,458,426
- Issue date Dec 2, 2008
- Sumitomo Metal Industries, Ltd.
- Yuji Arai
- C21 - METALLURGY OF IRON
Information Patent Grant
Welded structure having improved resistance to stress corrosion cra...
- Patent number 7,238,434
- Issue date Jul 3, 2007
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steel pipe for embedding-expanding, and method of embedding-expandi...
- Patent number 7,225,868
- Issue date Jun 5, 2007
- Sumitomo Metal Industries, Ltd.
- Yuji Arai
- C21 - METALLURGY OF IRON
Information Patent Grant
Oil well steel pipe for embedding-expanding
- Patent number 7,082,992
- Issue date Aug 1, 2006
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Martensitic stainless steel products
- Patent number 6,440,234
- Issue date Aug 27, 2002
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless steel having oxide scale layers
- Patent number 6,210,806
- Issue date Apr 3, 2001
- Sumitomo Metal Industries, Ltd.
- Yasuyoshi Hidaka
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless steel pipe and method for manufacturing the same
- Patent number 6,159,311
- Issue date Dec 12, 2000
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
STEEL BAR FOR DOWNHOLE MEMBER, AND DOWNHOLE MEMBER
- Publication number 20190177823
- Publication date Jun 13, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Daisuke MATSUO
- C21 - METALLURGY OF IRON
Information Patent Application
STAINLESS STEEL FOR OIL WELL, STAINLESS STEEL PIPE FOR OIL WELL, AN...
- Publication number 20150307972
- Publication date Oct 29, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Hideki TAKABE
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR PRODUCING WELDED JOINT, AND WELDED JOINT
- Publication number 20150056005
- Publication date Feb 26, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kenta Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STAINLESS STEEL FOR OIL WELLS AND STAINLESS STEEL PIPE FOR OIL WELLS
- Publication number 20150047831
- Publication date Feb 19, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Shinjiro Nakatsuka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DUPLEX STAINLESS STEEL
- Publication number 20140212322
- Publication date Jul 31, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Hideki Takabe
- C21 - METALLURGY OF IRON
Information Patent Application
WELDED JOINT OF DUPLEX STAINLESS STEEL
- Publication number 20130316193
- Publication date Nov 28, 2013
- Hiroyuki Nagayama
- B32 - LAYERED PRODUCTS
Information Patent Application
DUPLEX STAINLESS STEEL AND PRODUCTION METHOD THEREFOR
- Publication number 20130312880
- Publication date Nov 28, 2013
- NIPPON STEEL & SUMITOMO METAL CORORATION
- Daisuke Motoya
- C21 - METALLURGY OF IRON
Information Patent Application
DUPLEX STAINLESS STEEL
- Publication number 20130315776
- Publication date Nov 28, 2013
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kenta Yamada
- 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
HIGH-STRENGTH STAINLESS STEEL FOR OIL WELL AND HIGH-STRENGTH STAINL...
- Publication number 20120328897
- Publication date Dec 27, 2012
- Sumitomo Metal Industries, Ltd.
- Taro OHE
- C21 - METALLURGY OF IRON
Information Patent Application
DUPLEX STAINLESS STEEL
- Publication number 20120177529
- Publication date Jul 12, 2012
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STAINLESS STEEL FOR OIL WELL, STAINLESS STEEL PIPE FOR OIL WELL, AN...
- Publication number 20120031530
- Publication date Feb 9, 2012
- Sumitomo Metal Industries, Ltd.
- Hideki TAKABE
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STAINLESS STEEL PIPE EXCELLENT IN SULFIDE STRESS CRAC...
- Publication number 20110226378
- Publication date Sep 22, 2011
- Sumitomo Metal Industries, Ltd.
- Kunio KONDO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STAINLESS STEEL USED FOR OIL COUNTRY TUBULAR GOODS
- Publication number 20110014083
- Publication date Jan 20, 2011
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- 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
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
Martensitic stainless steel for welded structures
- Publication number 20090232694
- Publication date Sep 17, 2009
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Metal Pipe and Manufacturing Method Thereof
- Publication number 20090158799
- Publication date Jun 25, 2009
- Yoshiaki Takeishi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Martensitic Stainless Steel Oil Country Tubular Good
- Publication number 20090098008
- Publication date Apr 16, 2009
- Hisashi Amaya
- C21 - METALLURGY OF IRON
Information Patent Application
Steel pipe for embedding-expanding, and method of embedding-expandi...
- Publication number 20070199720
- Publication date Aug 30, 2007
- Yuji Arai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Welded structure having improved resistance to stress corrosion cra...
- Publication number 20060201587
- Publication date Sep 14, 2006
- Hisashi Amaya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Martensitic stainless steel
- Publication number 20060174979
- Publication date Aug 10, 2006
- Kunio Kondo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Oil well steel pipe for embedding-expanding
- Publication number 20060073352
- Publication date Apr 6, 2006
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Martensitic stainless steel
- Publication number 20050034790
- Publication date Feb 17, 2005
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Steel pipe for embedding-expanding, and method of embedding-expandi...
- Publication number 20040035576
- Publication date Feb 26, 2004
- Yuji Arai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Hisashi Amaya

Person

Patents Grantslast 30 patents

Steel bar for downhole member, and downhole member

Duplex stainless steel

Stainless steel for oil wells and stainless steel pipe for oil wells

Duplex stainless steel and production method therefor

Welded joint of duplex stainless steel

Process for producing welded joint using GMA welding and CO2 as a s...

Stainless steel for oil well, stainless steel pipe for oil well, an...

High-strength stainless steel for oil well and high-strength stainl...

Stainless steel for oil well, stainless steel pipe for oil well, an...

Martensitic stainless steel oil country tubular good

Method for manufacturing Ni base alloy pipe stock

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

Method for manufacturing a high alloy pipe

High-strength stainless steel pipe excellent in sulfide stress crac...

Martensitic stainless steel for welded structures

Martensitic stainless steel

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

Martensitic stainless steel

Steel pipe for embedding-expanding, and method of embedding-expandi...

Welded structure having improved resistance to stress corrosion cra...

Steel pipe for embedding-expanding, and method of embedding-expandi...

Oil well steel pipe for embedding-expanding

Martensitic stainless steel products

Martensitic stainless steel having oxide scale layers

Martensitic stainless steel pipe and method for manufacturing the same

Patents Applicationslast 30 patents

STEEL BAR FOR DOWNHOLE MEMBER, AND DOWNHOLE MEMBER

STAINLESS STEEL FOR OIL WELL, STAINLESS STEEL PIPE FOR OIL WELL, AN...

PROCESS FOR PRODUCING WELDED JOINT, AND WELDED JOINT

STAINLESS STEEL FOR OIL WELLS AND STAINLESS STEEL PIPE FOR OIL WELLS

DUPLEX STAINLESS STEEL

WELDED JOINT OF DUPLEX STAINLESS STEEL

DUPLEX STAINLESS STEEL AND PRODUCTION METHOD THEREFOR

DUPLEX STAINLESS STEEL

Ni BASE ALLOY PIPE STOCK AND METHOD FOR MANUFACTURING THE SAME

HIGH-STRENGTH STAINLESS STEEL FOR OIL WELL AND HIGH-STRENGTH STAINL...

DUPLEX STAINLESS STEEL

STAINLESS STEEL FOR OIL WELL, STAINLESS STEEL PIPE FOR OIL WELL, AN...

HIGH-STRENGTH STAINLESS STEEL PIPE EXCELLENT IN SULFIDE STRESS CRAC...

STAINLESS STEEL USED FOR OIL COUNTRY TUBULAR GOODS

METHOD FOR MANUFACTURING A HIGH ALLOY PIPE

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

Martensitic stainless steel for welded structures

Metal Pipe and Manufacturing Method Thereof

Martensitic Stainless Steel Oil Country Tubular Good

Steel pipe for embedding-expanding, and method of embedding-expandi...

Ni base alloy pipe stock and method for manufacturing the same

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

Welded structure having improved resistance to stress corrosion cra...

Martensitic stainless steel

Oil well steel pipe for embedding-expanding

Martensitic stainless steel

Steel pipe for embedding-expanding, and method of embedding-expandi...