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Yuichi HIRAKAWA
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Hyogo-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for evaluating crack in metal member and method for evaluati...
Patent number
11,898,995
Issue date
Feb 13, 2024
Mitsubishi Heavy Industries, Ltd.
Hiroaki Fukushima
G01 - MEASURING TESTING
Information
Patent Grant
Faulted condition determination device and faulted condition determ...
Patent number
11,378,526
Issue date
Jul 5, 2022
Mitsubishi Heavy Industries, Ltd.
Nobuhiko Saito
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for manufacturing shaft body
Patent number
10,590,508
Issue date
Mar 17, 2020
Mitsubishi Hitachi Power Systems, Ltd.
Yuichi Hirakawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Precipitation hardened martensitic stainless steel, manufacturing m...
Patent number
9,982,545
Issue date
May 29, 2018
Mitsubishi Hitachi Power Systems, Ltd.
Yuichi Hirakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Damage evaluation method and maintenance evaluation index decision...
Patent number
9,689,789
Issue date
Jun 27, 2017
Mitsubishi Hitachi Power Systems, Ltd.
Nobuyoshi Komai
G01 - MEASURING TESTING
Information
Patent Grant
Rotor of rotating machine and method of manufacturing the rotor
Patent number
8,911,880
Issue date
Dec 16, 2014
Mitsubishi Heavy Industries, Ltd.
Shin Nishimoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ni-based alloy high-chrome steel structure and manufacturing method...
Patent number
8,603,265
Issue date
Dec 10, 2013
Mitsubishi Heavy Industries, Ltd.
Shin Nishimoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Seal structure
Patent number
8,240,675
Issue date
Aug 14, 2012
Mitsubishi Heavy Industries, Ltd.
Yuichi Hirakawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of manufacturing axis seals having reduced gas leakage prope...
Patent number
7,334,328
Issue date
Feb 26, 2008
Mitsubishi Heavy Industries, Ltd.
Hidekazu Uehara
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR EVALUATING CRACK IN METAL MEMBER AND METHOD FOR EVALUATI...
Publication number
20220349790
Publication date
Nov 3, 2022
Mitsubishi Power, Ltd.
Hiroaki FUKUSHIMA
G01 - MEASURING TESTING
Information
Patent Application
GAS TURBINE DISK MATERIAL AND HEAT TREATMENT METHOD THEREFOR
Publication number
20200165709
Publication date
May 28, 2020
MITSUBISHI HITACHI POWER SYSTEMS, LTD.
Hiroki TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
FAULTED CONDITION DETERMINATION DEVICE AND FAULTED CONDITION DETERM...
Publication number
20190250110
Publication date
Aug 15, 2019
Mitsubishi Heavy Industries, Ltd.
Nobuhiko SAITO
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR MANUFACTURING SHAFT BODY
Publication number
20170298468
Publication date
Oct 19, 2017
MITSUBISHI HITACHI POWER SYSTEMS, LTD.
Yuichi HIRAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
PRECIPITATION HARDENED MARTENSITIC STAINLESS STEEL, MANUFACTURING M...
Publication number
20150315921
Publication date
Nov 5, 2015
Mitsubishi Hitachi Power Systems, Ltd.
Yuichi HIRAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR SETTING AGING CONDITIONS AND METHOD FOR PRODUCING TURBIN...
Publication number
20150136280
Publication date
May 21, 2015
MITSUBISHI HITACHI POWER SYSTEMS, LTD.
Yuichi Hirakawa
C21 - METALLURGY OF IRON
Information
Patent Application
DAMAGE EVALUATION METHOD AND MAINTENANCE EVALUATION INDEX DECISION...
Publication number
20150019142
Publication date
Jan 15, 2015
Nobuyoshi Komai
G01 - MEASURING TESTING
Information
Patent Application
SHAFT SEAL DEVICE
Publication number
20110309585
Publication date
Dec 22, 2011
Hidekazu Uehara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Ni-BASED ALLOY HIGH-CHROME STEEL STRUCTURE AND MANUFACTURING METHOD...
Publication number
20110126945
Publication date
Jun 2, 2011
Shin Nishimoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ROTOR OF ROTATING MACHINE AND METHOD OF MANUFACTURING THE ROTOR
Publication number
20100296938
Publication date
Nov 25, 2010
Shin Nishimoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SEAL STRUCTURE
Publication number
20100164179
Publication date
Jul 1, 2010
Yuichi Hirakawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Precipitation hardened martensitic stainless steel, manufacturing m...
Publication number
20060118215
Publication date
Jun 8, 2006
Yuichi Hirakawa
C21 - METALLURGY OF IRON
Information
Patent Application
Method of manufacturing axis seals, axis seals, axis seal members a...
Publication number
20050125983
Publication date
Jun 16, 2005
Hidekazu Uehara
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...