Hiroyuki Doi

Person

Tokai-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Steam turbine rotor blade and method for manufacturing steam turbin...
- Patent number 10,378,366
- Issue date Aug 13, 2019
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinji Oikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steam turbine rotor, steam turbine including same, and thermal powe...
- Patent number 10,260,357
- Issue date Apr 16, 2019
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinji Oikawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ni-based alloy for welding material and welding wire, rod and power
- Patent number 9,878,403
- Issue date Jan 30, 2018
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Shinya Imano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Precipitation hardening martensitic stainless steel and steam turbi...
- Patent number 9,873,930
- Issue date Jan 23, 2018
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinji Oikawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Nickel based alloy for forging
- Patent number 9,567,656
- Issue date Feb 14, 2017
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinya Imano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-temperature piping product and method for producing same
- Patent number 9,541,281
- Issue date Jan 10, 2017
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinya Imano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Precipitation hardening martensitic stainless steel, and steam turb...
- Patent number 9,388,702
- Issue date Jul 12, 2016
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinji Oikawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing an interlayer connection substrate
- Patent number 9,320,154
- Issue date Apr 19, 2016
- Hitachi, Ltd.
- Akira Soeda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steam turbine rotor
- Patent number 9,200,524
- Issue date Dec 1, 2015
- Mitsubishi Hitachi Power Systems, Ltd.
- Masahiko Arai
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Precipitate hardening stainless steel and long blade using same for...
- Patent number 9,062,362
- Issue date Jun 23, 2015
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinji Oikawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Nickel based alloy for forging
- Patent number 8,956,471
- Issue date Feb 17, 2015
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinya Imano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ni-base alloy, high-temperature member for steam turbine and welded...
- Patent number 8,883,072
- Issue date Nov 11, 2014
- Hitachi, Ltd.
- Jun Sato
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Nickel based forged alloy, gas turbine member using said alloy and...
- Patent number 8,864,919
- Issue date Oct 21, 2014
- Hitachi, Ltd.
- Jun Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Gas turbine blade and manufacturing method thereof
- Patent number 8,813,361
- Issue date Aug 26, 2014
- Hitachi, Ltd.
- Shinya Imano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-reliability turbine metal sealing material
- Patent number 8,801,373
- Issue date Aug 12, 2014
- Hitachi Ltd.
- Yoshitaka Kojima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Precipitation hardenable martensitic stainless steel and steam turb...
- Patent number 8,747,733
- Issue date Jun 10, 2014
- Hitachi, Ltd.
- Shinji Oikawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Ni-based heat resistant alloy, gas turbine component and gas turbine
- Patent number 8,685,316
- Issue date Apr 1, 2014
- Hitachi, Ltd.
- Jun Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Turbine rotor
- Patent number 8,596,982
- Issue date Dec 3, 2013
- Hitachi, Ltd.
- Eiji Nishioka
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Nickel base wrought alloy
- Patent number 8,524,149
- Issue date Sep 3, 2013
- Hitachi, Ltd.
- Jun Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ni—Fe based forging superalloy excellent in high-temperature streng...
- Patent number 8,512,488
- Issue date Aug 20, 2013
- Hitachi, Ltd.
- Shinya Imano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Seals in steam turbine
- Patent number 8,500,397
- Issue date Aug 6, 2013
- Hitachi, Ltd.
- Kenjiro Narita
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Low-thermal-expansion Ni-based super-heat-resistant alloy for boile...
- Patent number 8,444,778
- Issue date May 21, 2013
- Hitachi Metals, Ltd.
- Toshihiro Uehara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for assessing remaining lifespan of bolt used at high temper...
- Patent number 8,225,672
- Issue date Jul 24, 2012
- Hitachi, Ltd.
- Masahiko Arai
- G01 - MEASURING TESTING
Information Patent Grant
Seals in steam turbine
- Patent number 8,128,351
- Issue date Mar 6, 2012
- Hitachi, Ltd.
- Kenjiro Narita
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Ni-Fe based super alloy, process of producing the same and gas turbine
- Patent number 8,043,068
- Issue date Oct 25, 2011
- Hitachi, Ltd.
- Shinya Imano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Pipe for steam turbine, manufacturing process of same, main stream...
- Patent number 7,632,066
- Issue date Dec 15, 2009
- Hitachi, Ltd.
- Masahiko Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ni-based alloy member, method of producing the alloy member, turbin...
- Patent number 7,547,188
- Issue date Jun 16, 2009
- Hitachi, Ltd.
- Shinya Imano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steam turbine rotor and steam turbine plant
- Patent number 7,459,035
- Issue date Dec 2, 2008
- Hitachi, Ltd.
- Shinya Imano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ni-based superalloy having high oxidation resistance and gas turbin...
- Patent number 7,169,241
- Issue date Jan 30, 2007
- Hitachi, Ltd.
- Hideki Tamaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Welding material, gas turbine blade or nozzle and a method of repai...
- Patent number 7,165,325
- Issue date Jan 23, 2007
- Hitachi, Ltd.
- Shinya Imano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
STEAM TURBINE ROTOR BLADE AND METHOD FOR MANUFACTURING STEAM TURBIN...
- Publication number 20180080329
- Publication date Mar 22, 2018
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinji OIKAWA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Steam Turbine Rotor, Steam Turbine Including Same, and Thermal Powe...
- Publication number 20160177742
- Publication date Jun 23, 2016
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinji OIKAWA
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WELDING MATERIAL AND WELDING ROTOR
- Publication number 20160130954
- Publication date May 12, 2016
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Jun SATO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Turbine Blade, and Turbine Rotor and Steam Turbine Using the Turbin...
- Publication number 20160108743
- Publication date Apr 21, 2016
- Mitsubishi Hitachi Power Systems, Ltd.
- Masahiko ARAI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL, TURBINE COMPON...
- Publication number 20150132144
- Publication date May 14, 2015
- Mitsubishi Hitachi Power Systems, Ltd.
- Shinji OIKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
Nickel Based Alloy for Forging
- Publication number 20150017015
- Publication date Jan 15, 2015
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Shinya Imano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Remaining Life Assessment Method for Heat-Resisting Steel Member
- Publication number 20140379280
- Publication date Dec 25, 2014
- Masahiko ARAI
- G01 - MEASURING TESTING
Information Patent Application
INTERLAYER CONNECTION SUBSTRATE AND ITS MANUFACTURING METHOD
- Publication number 20140353018
- Publication date Dec 4, 2014
- Hitachi, Ltd
- Akira SOEDA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Ni-Based Heat Resistant Alloy, Gas Turbine Component and Gas Turbine
- Publication number 20140169973
- Publication date Jun 19, 2014
- Hitachi, Ltd
- Jun Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Precipitation Hardening Martensitic Stainless Steel and Long Blade...
- Publication number 20140105753
- Publication date Apr 17, 2014
- Hitachi, Ltd
- Shinji OIKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-RELIABLITY TURBINE METAL SEALING MATERIAL
- Publication number 20140064939
- Publication date Mar 6, 2014
- Hitachi, Ltd
- Yoshitaka KOJIMA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGH-TEMPERATURE PIPING PRODUCT AND METHOD FOR PRODUCING SAME
- Publication number 20130263796
- Publication date Oct 10, 2013
- Hitachi, Ltd
- Shinya IMANO
- B32 - LAYERED PRODUCTS
Information Patent Application
Ni-BASED ALLOY FOR WELDING MATERIAL AND WELDING WIRE, ROD AND POWER
- Publication number 20130255442
- Publication date Oct 3, 2013
- Hitachi, Ltd
- Shinya IMANO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Steam Turbine Rotor
- Publication number 20130224033
- Publication date Aug 29, 2013
- Hitachi, Ltd
- Masahiko ARAI
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL, AND STEAM TURB...
- Publication number 20130186106
- Publication date Jul 25, 2013
- Hitachi, Ltd
- Shinji OIKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
Nickel Based Forged Alloy, Gas Turbine Member Using Said Alloy and...
- Publication number 20130160466
- Publication date Jun 27, 2013
- Hitachi, Ltd
- Jun SATO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Bonded Board and Manufacturing Method Thereof
- Publication number 20130133936
- Publication date May 30, 2013
- Hitachi, Ltd
- Chiko YORITA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Turbine Blade, and Turbine Rotor and Steam Turbine Using the Turbin...
- Publication number 20130101425
- Publication date Apr 25, 2013
- Masahiko Arai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PRECIPITATE HARDENING STAINLESS STEEL AND LONG BLADE USING SAME FOR...
- Publication number 20120321478
- Publication date Dec 20, 2012
- Hitachi, Ltd.
- Shinji OIKAWA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STEAM TURBINE MEMBER
- Publication number 20120308772
- Publication date Dec 6, 2012
- Hitachi, Ltd
- Hiroshi Haruyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SEALS IN STEAM TURBINE
- Publication number 20120148389
- Publication date Jun 14, 2012
- Hitachi, Ltd
- Kenjiro NARITA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
NI-BASED HEAT RESISTANT ALLOY, GAS TURBINE COMPONENT AND GAS TURBINE
- Publication number 20120141293
- Publication date Jun 7, 2012
- Hitachi, Ltd.
- Jun Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Precipitation Hardening Martensitic Stainless Steel and Steam Turbi...
- Publication number 20120114496
- Publication date May 10, 2012
- Shinji Oikawa
- C21 - METALLURGY OF IRON
Information Patent Application
GAS TURBINE SHROUD WITH CERAMIC ABRADABLE LAYER
- Publication number 20120107103
- Publication date May 3, 2012
- Yoshitaka Kojima
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Gas Turbine Blade and Manufacturing Method Thereof
- Publication number 20110296685
- Publication date Dec 8, 2011
- Shinya IMANO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PRECIPITATION HARDENABLE MARTENSITIC STAINLESS STEEL AND STEAM TURB...
- Publication number 20110255988
- Publication date Oct 20, 2011
- Shinji OIKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
NI BASED ALLOY FOR FORGING AND COMPONENTS FOR STEAM TURBINE PLANT U...
- Publication number 20110192501
- Publication date Aug 11, 2011
- Hitachi, Ltd.
- Shinya Imano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
GAS TURBINE SHROUD WITH CERAMIC ABRADABLE COATINGS
- Publication number 20110182720
- Publication date Jul 28, 2011
- Yoshitaka KOJIMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEAM TURBINE ROTOR AND STEAM TURBINE USING THE SAME
- Publication number 20110076153
- Publication date Mar 31, 2011
- Shinya Imano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
NICKEL BASE WROUGHT ALLOY
- Publication number 20110058978
- Publication date Mar 10, 2011
- Hitachi, Ltd.
- Jun Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Hiroyuki Doi

Person

Patents Grantslast 30 patents

Steam turbine rotor blade and method for manufacturing steam turbin...

Steam turbine rotor, steam turbine including same, and thermal powe...

Ni-based alloy for welding material and welding wire, rod and power

Precipitation hardening martensitic stainless steel and steam turbi...

Nickel based alloy for forging

High-temperature piping product and method for producing same

Precipitation hardening martensitic stainless steel, and steam turb...

Method of manufacturing an interlayer connection substrate

Steam turbine rotor

Precipitate hardening stainless steel and long blade using same for...

Nickel based alloy for forging

Ni-base alloy, high-temperature member for steam turbine and welded...

Nickel based forged alloy, gas turbine member using said alloy and...

Gas turbine blade and manufacturing method thereof

High-reliability turbine metal sealing material

Precipitation hardenable martensitic stainless steel and steam turb...

Ni-based heat resistant alloy, gas turbine component and gas turbine

Turbine rotor

Nickel base wrought alloy

Ni—Fe based forging superalloy excellent in high-temperature streng...

Seals in steam turbine

Low-thermal-expansion Ni-based super-heat-resistant alloy for boile...

Method for assessing remaining lifespan of bolt used at high temper...

Seals in steam turbine

Ni-Fe based super alloy, process of producing the same and gas turbine

Pipe for steam turbine, manufacturing process of same, main stream...

Ni-based alloy member, method of producing the alloy member, turbin...

Steam turbine rotor and steam turbine plant

Ni-based superalloy having high oxidation resistance and gas turbin...

Welding material, gas turbine blade or nozzle and a method of repai...

Patents Applicationslast 30 patents

STEAM TURBINE ROTOR BLADE AND METHOD FOR MANUFACTURING STEAM TURBIN...

Steam Turbine Rotor, Steam Turbine Including Same, and Thermal Powe...

WELDING MATERIAL AND WELDING ROTOR

Turbine Blade, and Turbine Rotor and Steam Turbine Using the Turbin...

PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL, TURBINE COMPON...

Nickel Based Alloy for Forging

Remaining Life Assessment Method for Heat-Resisting Steel Member

INTERLAYER CONNECTION SUBSTRATE AND ITS MANUFACTURING METHOD

Ni-Based Heat Resistant Alloy, Gas Turbine Component and Gas Turbine

Precipitation Hardening Martensitic Stainless Steel and Long Blade...

HIGH-RELIABLITY TURBINE METAL SEALING MATERIAL

HIGH-TEMPERATURE PIPING PRODUCT AND METHOD FOR PRODUCING SAME

Ni-BASED ALLOY FOR WELDING MATERIAL AND WELDING WIRE, ROD AND POWER

Steam Turbine Rotor

PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL, AND STEAM TURB...

Nickel Based Forged Alloy, Gas Turbine Member Using Said Alloy and...

Bonded Board and Manufacturing Method Thereof

Turbine Blade, and Turbine Rotor and Steam Turbine Using the Turbin...

PRECIPITATE HARDENING STAINLESS STEEL AND LONG BLADE USING SAME FOR...

STEAM TURBINE MEMBER

SEALS IN STEAM TURBINE

NI-BASED HEAT RESISTANT ALLOY, GAS TURBINE COMPONENT AND GAS TURBINE

Precipitation Hardening Martensitic Stainless Steel and Steam Turbi...

GAS TURBINE SHROUD WITH CERAMIC ABRADABLE LAYER

Gas Turbine Blade and Manufacturing Method Thereof

PRECIPITATION HARDENABLE MARTENSITIC STAINLESS STEEL AND STEAM TURB...

NI BASED ALLOY FOR FORGING AND COMPONENTS FOR STEAM TURBINE PLANT U...

GAS TURBINE SHROUD WITH CERAMIC ABRADABLE COATINGS

STEAM TURBINE ROTOR AND STEAM TURBINE USING THE SAME

NICKEL BASE WROUGHT ALLOY