Masahiko ARAI

Person

Yokohama, 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
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
Steam turbine rotor
- Patent number 9,784,110
- Issue date Oct 10, 2017
- Mitsubishi Hitachi Power Systems, Ltd.
- Kunio Asai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
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
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
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
Rotor for steam turbine and method of manufacturing the same
- Patent number 8,485,788
- Issue date Jul 16, 2013
- Hitachi, Ltd.
- Hideyuki Arikawa
- 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
Turbine casing
- Patent number 8,025,746
- Issue date Sep 27, 2011
- Hitachi, Ltd.
- Hirotsugu Kawanaka
- C21 - METALLURGY OF IRON
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
Heat resisting steel, steam turbine rotor shaft using the steel, st...
- Patent number 7,540,711
- Issue date Jun 2, 2009
- Hitachi, Ltd.
- Masahiko Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steam turbine blade, and steam turbine and steam turbine power plan...
- Patent number 6,575,700
- Issue date Jun 10, 2003
- Hitachi, Ltd.
- Masahiko Arai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steam turbine rotor shaft
- Patent number 6,419,453
- Issue date Jul 16, 2002
- Hitachi, Ltd.
- Yutaka Fukui
- C21 - METALLURGY OF IRON
Information Patent Grant
Steam turbine blade, and steam turbine and steam turbine power plan...
- Patent number 6,398,504
- Issue date Jun 4, 2002
- Hitachi, Ltd.
- Masahiko Arai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Precipitation hardening type single crystal austenitic steel, and u...
- Patent number 5,987,088
- Issue date Nov 16, 1999
- Hitachi, Ltd.
- Yasuhisa Aono
- C30 - CRYSTAL GROWTH
Information Patent Grant
Precipitation hardening type single crystal austenitic steel
- Patent number 5,779,822
- Issue date Jul 14, 1998
- Hitachi, Ltd.
- Yasuhisa Aono
- C30 - CRYSTAL GROWTH
Information Patent Grant
Microcomputer with built-in EPROM and test mode
- Patent number 4,905,191
- Issue date Feb 27, 1990
- Hitachi Ltd.
- Masahiko Arai
- G06 - COMPUTING CALCULATING COUNTING

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
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
Steam Turbine Rotor
- Publication number 20150044053
- Publication date Feb 12, 2015
- Mitsubishi Hitachi Power Systems, Ltd.
- Kunio ASAI
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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
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
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
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
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
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
HIGH-STRENGTH HEAT RESISTING CAST STEEL, METHOD OF PRODUCING THE ST...
- Publication number 20110126540
- Publication date Jun 2, 2011
- Hitachi, Ltd
- Masahiko ARAI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
TURBINE ROTOR
- Publication number 20100329849
- Publication date Dec 30, 2010
- Hitachi, Ltd.
- Eiji NISHIOKA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD FOR ASSESSING REMAINING LIFESPAN OF BOLT USED AT HIGH TEMPER...
- Publication number 20100236333
- Publication date Sep 23, 2010
- Hitachi, Ltd.
- Masahiko ARAI
- G01 - MEASURING TESTING
Information Patent Application
High-strength martensite heat resisting cast steel, method of produ...
- Publication number 20100122754
- Publication date May 20, 2010
- Hirotsugu Kawanaka
- C21 - METALLURGY OF IRON
Information Patent Application
Turbine Rotor
- Publication number 20100028155
- Publication date Feb 4, 2010
- Hitachi, Ltd.
- Eiji Nishioka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ROTOR FOR STEAM TURBINE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20090311103
- Publication date Dec 17, 2009
- Hideyuki Arikawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Heat resisting steel, gas turbine using the steel, and components t...
- Publication number 20090068052
- Publication date Mar 12, 2009
- Hitachi, Ltd
- Masahiko Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
TURBINE CASING
- Publication number 20070224041
- Publication date Sep 27, 2007
- Hirotsugu Kawanaka
- C21 - METALLURGY OF IRON
Information Patent Application
High-strength heat resisting cast steel, method of producing the st...
- Publication number 20070071599
- Publication date Mar 29, 2007
- Masahiko Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Pipe for steam turbine, manufacturing process of same, main steam p...
- Publication number 20070014671
- Publication date Jan 18, 2007
- Masahiko Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Heat resisting steel, steam turbine rotor shaft using the steel, st...
- Publication number 20060216145
- Publication date Sep 28, 2006
- Masahiko Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Heat resisting steel, gas turbine using the steel, and components t...
- Publication number 20050074356
- Publication date Apr 7, 2005
- Hitachi, Ltd.
- Masahiko Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Steam turbine blade, and steam turbine and steam turbine power plan...
- Publication number 20020197163
- Publication date Dec 26, 2002
- Masahiko Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Steam turbine rotor shaft
- Publication number 20010041137
- Publication date Nov 15, 2001
- Yutaka Fukui
- C21 - METALLURGY OF IRON

Masahiko ARAI

Person

Patents Grantslast 30 patents

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

Precipitation hardening martensitic stainless steel and steam turbi...

Steam turbine rotor

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

Steam turbine rotor

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

Precipitation hardenable martensitic stainless steel and steam turb...

Turbine rotor

Rotor for steam turbine and method of manufacturing the same

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

Turbine casing

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

Heat resisting steel, steam turbine rotor shaft using the steel, st...

Steam turbine blade, and steam turbine and steam turbine power plan...

Steam turbine rotor shaft

Steam turbine blade, and steam turbine and steam turbine power plan...

Precipitation hardening type single crystal austenitic steel, and u...

Precipitation hardening type single crystal austenitic steel

Microcomputer with built-in EPROM and test mode

Patents Applicationslast 30 patents

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

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

Steam Turbine Rotor

Remaining Life Assessment Method for Heat-Resisting Steel Member

Precipitation Hardening Martensitic Stainless Steel and Long Blade...

Steam Turbine Rotor

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

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

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

STEAM TURBINE MEMBER

Precipitation Hardening Martensitic Stainless Steel and Steam Turbi...

PRECIPITATION HARDENABLE MARTENSITIC STAINLESS STEEL AND STEAM TURB...

HIGH-STRENGTH HEAT RESISTING CAST STEEL, METHOD OF PRODUCING THE ST...

TURBINE ROTOR

METHOD FOR ASSESSING REMAINING LIFESPAN OF BOLT USED AT HIGH TEMPER...

High-strength martensite heat resisting cast steel, method of produ...

Turbine Rotor

ROTOR FOR STEAM TURBINE AND METHOD OF MANUFACTURING THE SAME

Heat resisting steel, gas turbine using the steel, and components t...

TURBINE CASING

High-strength heat resisting cast steel, method of producing the st...

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

Heat resisting steel, steam turbine rotor shaft using the steel, st...

Heat resisting steel, gas turbine using the steel, and components t...

Steam turbine blade, and steam turbine and steam turbine power plan...

Steam turbine rotor shaft