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Yasushi HAYASAKA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary electric machine
Patent number
12,176,795
Issue date
Dec 24, 2024
Hitachi Industrial Products, Ltd.
Yasushi Hayasaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Abnormality diagnosis system for rotary electric machine
Patent number
11,598,694
Issue date
Mar 7, 2023
Hitachi Industrial Products, Ltd.
Shuhei Ayukawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for manufacturing a neutral ring for use in rotating electri...
Patent number
10,658,898
Issue date
May 19, 2020
Hitachi Industrial Products, Ltd.
Yasushi Hayasaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating electric machine or wind power generation system
Patent number
10,177,621
Issue date
Jan 8, 2019
Hitachi, Ltd.
Naoki Kunihiro
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Neutral ring for use in rotating electrical machine and method for...
Patent number
10,033,237
Issue date
Jul 24, 2018
Hitachi, Ltd.
Yasushi Hayasaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Steam turbine rotor blade assembly
Patent number
8,591,194
Issue date
Nov 26, 2013
Hitachi, Ltd.
Yasushi Hayasaka
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Steam turbine rotor blade assembly
Patent number
8,257,044
Issue date
Sep 4, 2012
Hitachi, Ltd.
Yasushi Hayasaka
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Permanent-magnet generator rotor for gas turbine, manufacturing met...
Patent number
7,839,040
Issue date
Nov 23, 2010
Hitachi, Ltd.
Yasushi Hayasaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gas turbine plant and gas turbine power generator plant
Patent number
7,762,083
Issue date
Jul 27, 2010
Hitachi, Ltd.
Yasushi Hayasaka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Gas turbine rotor blade, gas turbine using the rotor blade, and pow...
Patent number
7,334,993
Issue date
Feb 26, 2008
Hitachi, Ltd.
Masaru Sekihara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
System for aiding the preparation of operation and maintenance plan...
Patent number
7,152,005
Issue date
Dec 19, 2006
Hitachi, Ltd.
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for document management and synchronization
Patent number
7,107,295
Issue date
Sep 12, 2006
Hitachi, Ltd.
Katsuhito Shimizu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for aiding the preparation of operation and maintenance plan...
Patent number
7,065,472
Issue date
Jun 20, 2006
Hitachi, Ltd.
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for diagnosing state of gas turbine
Patent number
7,065,471
Issue date
Jun 20, 2006
Hitachi, Ltd.
Jinichiro Gotoh
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
System for aiding the preparation of operation and maintenance plan...
Patent number
6,907,381
Issue date
Jun 14, 2005
Hitachi, Ltd.
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document management system and method
Patent number
6,895,289
Issue date
May 17, 2005
Hitachi, Ltd.
Katsuhito Shimizu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Gas turbine and gas turbine power generator
Patent number
6,874,324
Issue date
Apr 5, 2005
Hitachi, Ltd.
Masaru Sekihara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
System for aiding the preparation of operation and maintenance plan...
Patent number
6,853,930
Issue date
Feb 8, 2005
Hitachi, Ltd.
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System foraiding the preparation of operation and maintenance plans...
Patent number
6,691,065
Issue date
Feb 10, 2004
Hitachi, Ltd.
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Service life management system for high-temperature part of gas tur...
Patent number
6,636,813
Issue date
Oct 21, 2003
Hitchi, Ltd.
Nobuhiro Isobe
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Rotary Electric Machine
Publication number
20230022399
Publication date
Jan 26, 2023
Hitachi Industrial Products, Ltd.
Yasushi HAYASAKA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Abnormality Diagnosis System for Rotary Electric Machine
Publication number
20220074814
Publication date
Mar 10, 2022
Hitachi Industrial Products, Ltd.
Shuhei AYUKAWA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method for Manufacturing a Neutral Ring for Use in Rotating Electri...
Publication number
20180301952
Publication date
Oct 18, 2018
Hitachi, Ltd
Yasushi HAYASAKA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotating Electric Machine or Wind Power Generation System
Publication number
20170117769
Publication date
Apr 27, 2017
Hitachi, Ltd
Naoki KUNIHIRO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Neutral Ring for Use in Rotating Electrical Machine and Method for...
Publication number
20160043603
Publication date
Feb 11, 2016
Hitachi, Ltd
Yasushi HAYASAKA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
STEAM TURBINE ROTOR BLADE ASSEMBLY
Publication number
20120301311
Publication date
Nov 29, 2012
Hitachi, Ltd
Yasushi HAYASAKA
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
TURBINE ROTOR BLADE AND FIXATION STRUCTURE THEREOF
Publication number
20100111701
Publication date
May 6, 2010
Hitachi, Ltd
Yasushi HAYASAKA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Permanent-Magnet Generator Rotor for Gas Turbine, Manufacturing Met...
Publication number
20090160282
Publication date
Jun 25, 2009
Hitachi Ltd.
Yasushi Hayasaka
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
STEAM TURBINE ROTOR BLADE ASSEMBLY
Publication number
20090097980
Publication date
Apr 16, 2009
Yasushi HAYASAKA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
METHOD OF CORRECTING BALANCE OF GAS TURBINE
Publication number
20090010760
Publication date
Jan 8, 2009
Yasushi Hayasaka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Gas turbine rotor blade, gas turbine using the rotor blade, and pow...
Publication number
20070065283
Publication date
Mar 22, 2007
Masaru Sekihara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Document management system and method
Publication number
20060271553
Publication date
Nov 30, 2006
Katsuhito Shimizu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System for aiding the preparation of operation and maintenance plan...
Publication number
20050246068
Publication date
Nov 3, 2005
Hitachi, Ltd
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Gas turbine plant and gas turbine power generator plant
Publication number
20050193738
Publication date
Sep 8, 2005
Yasushi Hayasaka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
System for aiding the preparation of operation and maintenance plan...
Publication number
20040181369
Publication date
Sep 16, 2004
Hitachi, Ltd.
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and system for diagnosing state of gas turbine
Publication number
20040148129
Publication date
Jul 29, 2004
Jinichiro Gotoh
G05 - CONTROLLING REGULATING
Information
Patent Application
System for aiding the preparation of operation and maintenance plan...
Publication number
20040148132
Publication date
Jul 29, 2004
Hitachi, Ltd.
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Gas turbine and gas turbine power generator
Publication number
20030217548
Publication date
Nov 27, 2003
Hitachi, Ltd.
Masaru Sekihara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Document management system and method
Publication number
20030109943
Publication date
Jun 12, 2003
Katsuhito Shimizu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document management system and method
Publication number
20030105740
Publication date
Jun 5, 2003
Katsuhito Shimizu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Operation and maintenance planning aiding system for power generati...
Publication number
20030004659
Publication date
Jan 2, 2003
Hitachi, Ltd.
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Operation and maintenance planning aiding system for power generati...
Publication number
20020120412
Publication date
Aug 29, 2002
Yoshiharu Hayashi
G06 - COMPUTING CALCULATING COUNTING