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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Medical system, medical device, and medical method
Patent number
11,033,176
Issue date
Jun 15, 2021
Sony Corporation
Koji Obata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Inverter-driven rotary electric machine, phase-to-phase insulation...
Patent number
10,024,896
Issue date
Jul 17, 2018
Hitachi Automotive Systems, Ltd.
Koji Obata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Partial-discharge measurement method and high-voltage device inspec...
Patent number
9,851,394
Issue date
Dec 26, 2017
Hitachi, Ltd.
Hiroaki Kojima
G01 - MEASURING TESTING
Information
Patent Grant
Rotating electric machine and method of manufacturing same
Patent number
9,705,372
Issue date
Jul 11, 2017
Hitachi Automotive Systems, Ltd.
Yoshimi Kurahara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for testing an inverter drive rotating electric machine
Patent number
9,097,768
Issue date
Aug 4, 2015
Hitachi, Ltd.
Koji Obata
G01 - MEASURING TESTING
Information
Patent Grant
Method of testing partial discharge of rotating electrical machine...
Patent number
9,018,970
Issue date
Apr 28, 2015
Hitachi, Ltd.
Koji Obata
G01 - MEASURING TESTING
Information
Patent Grant
Rotating electric machine for electric vehicle, drive control devic...
Patent number
8,981,699
Issue date
Mar 17, 2015
Hitachi Automotive Systems, Ltd.
Koji Obata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rotating electrical machine having a plurality of cooling medium paths
Patent number
8,400,029
Issue date
Mar 19, 2013
Hitachi, Ltd.
Shinji Sugimoto
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Power distribution unit for rotary electric machine with linear con...
Patent number
7,952,245
Issue date
May 31, 2011
Hitachi, Ltd.
Toshiaki Ueda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Receiving device, clock synchronizing method, and computer program
Patent number
7,940,805
Issue date
May 10, 2011
Sony Corporation
Takahiro Ichikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Stator for rotating machine and rotating machine using the same
Patent number
7,936,100
Issue date
May 3, 2011
Hitachi, Ltd.
Takashi Naganawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Inverter-driven rotating machine system, rotating machine and inver...
Patent number
7,764,042
Issue date
Jul 27, 2010
Hitachi, Ltd.
Koji Obata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rotating electric machine, winding machine, and rotating electric m...
Patent number
7,659,651
Issue date
Feb 9, 2010
Hitachi, Ltd.
Koji Obata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rotating electrical machine and manufacturing method thereof
Patent number
7,557,483
Issue date
Jul 7, 2009
Hitachi, Ltd.
Takashi Yasuhara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Data multiplexer, data multiplexing method, and recording medium
Patent number
7,496,675
Issue date
Feb 24, 2009
Sony Corporation
Koji Obata
G11 - INFORMATION STORAGE
Information
Patent Grant
Encoding apparatus and method, and multiplexing apparatus and method
Patent number
7,394,851
Issue date
Jul 1, 2008
Sony Corporation
Motoki Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Picture signal processing method and apparatus
Patent number
6,825,886
Issue date
Nov 30, 2004
Sony Corporation
Hiroshi Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Decoding apparatus, decoding method, encoding apparatus, encoding m...
Patent number
6,795,498
Issue date
Sep 21, 2004
Sony Corporation
Motoki Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encoding apparatus and method, and multiplexing apparatus and method
Patent number
6,795,499
Issue date
Sep 21, 2004
Sony Corporation
Motoki Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacture of resin block
Patent number
6,730,255
Issue date
May 4, 2004
Hitachi, Ltd.
Ryozo Takeuchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Resin block insulating system
Patent number
6,649,847
Issue date
Nov 18, 2003
Hitachi, Ltd.
Ryozo Takeuchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Picture signal processing system, decoder, picture signal processin...
Patent number
6,574,274
Issue date
Jun 3, 2003
Sony Corporation
Koji Obata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Picture signal processing method and apparatus
Patent number
6,466,625
Issue date
Oct 15, 2002
Sony Corporation
Hiroshi Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Block distortion reduction method and device and encoding method an...
Patent number
6,434,275
Issue date
Aug 13, 2002
Sony Corporation
Kyoko Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Editing method and editing apparatus
Patent number
6,414,999
Issue date
Jul 2, 2002
Sony Corporation
Nobuhiro Igi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
MANAGEMENT DEVICE AND MANAGEMENT METHOD
Publication number
20240336158
Publication date
Oct 10, 2024
Komatsu Ltd.
Shota Yamawaki
B60 - VEHICLES IN GENERAL
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING DEVICE, AND I...
Publication number
20210249109
Publication date
Aug 12, 2021
SONY CORPORATION
Shunsuke HAYASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SURGICAL SYSTEM, SURGICAL DEVICE, AND SURGICAL METHOD
Publication number
20180168434
Publication date
Jun 21, 2018
SONY CORPORATION
Koji OBATA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Partial-Discharge Measurement Method and High-Voltage Device Inspec...
Publication number
20160216309
Publication date
Jul 28, 2016
Hitachi, Ltd
Hiroaki KOJIMA
G01 - MEASURING TESTING
Information
Patent Application
Rotary Machine
Publication number
20150381005
Publication date
Dec 31, 2015
Hitachi, Ltd
Tetsuji KATO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotating Electrical Machine
Publication number
20150349588
Publication date
Dec 3, 2015
Hitachi, Ltd
Hirooki TOKOI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Electrical Rotating Machine
Publication number
20150022045
Publication date
Jan 22, 2015
Hitachi Automotive Systems, Ltd.
Shuya Hagiwara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotating Electric Machine and Method for Manufacturing Stator Coil...
Publication number
20140183985
Publication date
Jul 3, 2014
Hitachi Automotive Systems, Ltd.
Yoshimi Kurahara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INVERTER-DRIVEN ROTARY ELECTRIC MACHINE, PHASE-TO-PHASE INSULATION...
Publication number
20140180617
Publication date
Jun 26, 2014
HITACHI AUTOMOTIVE SYSTEMS, LTD.
Koji Obata
G01 - MEASURING TESTING
Information
Patent Application
Rotating Machine and Insulator and Slot Liner for Rotating Machine
Publication number
20140117805
Publication date
May 1, 2014
Hitachi Automotive Systems, Ltd.
Shuya Hagiwara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotating Electric Machine and Method of Manufacturing Same
Publication number
20140084713
Publication date
Mar 27, 2014
Hitachi Automotive Systems, Ltd.
Yoshimi Kurahara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INVERTER-DRIVEN ROTARY ELECTRIC MACHINE, INSULATION INSPECTION METH...
Publication number
20140062525
Publication date
Mar 6, 2014
HITACHI AUTOMOTIVE SYSTEMS, LTD.
Koji Obata
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR TESTING AN INVERTER DRIVE ROTATING ELECTRIC MACHINE
Publication number
20130093457
Publication date
Apr 18, 2013
Hitachi, Ltd
Koji OBATA
G01 - MEASURING TESTING
Information
Patent Application
INVERTER-DRIVEN DYNAMO ELECTRIC MACHINE AND SYSTEM, BEARING, AND EN...
Publication number
20130038182
Publication date
Feb 14, 2013
Hitachi, Ltd
Koji Obata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotating Electric Machine for Electric Vehicle, Drive Control Devic...
Publication number
20130033214
Publication date
Feb 7, 2013
Hitachi Automotive Systems, Ltd.
Koji Obata
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD OF TESTING PARTIAL DISCHARGE OF ROTATING ELECTRICAL MACHINE...
Publication number
20120182040
Publication date
Jul 19, 2012
Hitachi, Ltd.
Koji OBATA
G01 - MEASURING TESTING
Information
Patent Application
ROTATING ELECTRIC MACHINE AND PRODUCTION METHOD FOR ROTATING ELECTR...
Publication number
20120038230
Publication date
Feb 16, 2012
Yoshimi Kurahara
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
INSULATION DIAGNOSIS METHOD, INSULATION DIAGNOSIS SYSTEM, AND ROTAT...
Publication number
20110241697
Publication date
Oct 6, 2011
Chie Omatsu
G01 - MEASURING TESTING
Information
Patent Application
INSULATION DIAGNOSTIC UNIT AND ALGORITHM FOR ELECTRIC MACHINE, AND...
Publication number
20110184672
Publication date
Jul 28, 2011
Hitachi, Ltd.
Shuya Hagiwara
G01 - MEASURING TESTING
Information
Patent Application
MOTOR AND METHOD FOR MANUFACTURING THE SAME
Publication number
20110156504
Publication date
Jun 30, 2011
YOSHIMI KURAHARA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotating Electrical Machine
Publication number
20110133580
Publication date
Jun 9, 2011
Hitachi, Ltd
Shinji Sugimoto
B60 - VEHICLES IN GENERAL
Information
Patent Application
Receiving device, clock synchronizing method, and computer program
Publication number
20090245124
Publication date
Oct 1, 2009
SONY CORPORATION
Takahiro Ichikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Stator for Rotating Machine and Rotating Machine Using the Same
Publication number
20090140595
Publication date
Jun 4, 2009
Hitachi, Ltd
Takashi NAGANAWA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ROTATING ELECTRIC MACHINE, WINDING MACHINE, AND ROTATING ELECTRIC M...
Publication number
20080315705
Publication date
Dec 25, 2008
Koji OBATA
B60 - VEHICLES IN GENERAL
Information
Patent Application
Rotary Electric Machine, Power Distribution Unit Therefor and Metho...
Publication number
20080265701
Publication date
Oct 30, 2008
Hitachi, Ltd
Toshiaki Ueda
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
ELECTRICAL ROTATING MACHINE AND ELECTRIC VEHICLE
Publication number
20080231136
Publication date
Sep 25, 2008
Koji OBATA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Inverter-driven rotating machine system, rotating machine and inver...
Publication number
20080007197
Publication date
Jan 10, 2008
HITACHI, LTD.
Koji Obata
B60 - VEHICLES IN GENERAL
Information
Patent Application
Rotating electrical machine and manufacturing method thereof
Publication number
20060152188
Publication date
Jul 13, 2006
Hitachi, Ltd
Takashi Yasuhara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Encoding apparatus and method, and multiplexing apparatus and method
Publication number
20040264566
Publication date
Dec 30, 2004
Motoki Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of manufacture of resin block
Publication number
20030218273
Publication date
Nov 27, 2003
Ryozo Takeuchi
H01 - BASIC ELECTRIC ELEMENTS