Kiyoshi Sakamoto

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wind turbine generator system
- Patent number 9,458,736
- Issue date Oct 4, 2016
- Hitachi, Ltd.
- Takuji Yanagibashi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind power generation system, device using wind power generation sy...
- Patent number 9,231,441
- Issue date Jan 5, 2016
- Hitachi, Ltd.
- Kenichi Azegami
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind power generator system, and control method for the same
- Patent number 9,203,334
- Issue date Dec 1, 2015
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Driving system of permanent magnet synchronous motor
- Patent number 8,541,971
- Issue date Sep 24, 2013
- Hitachi Industrial Equipment Systems Co., Ltd.
- Toshifumi Sakai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power conversion device, compressor motor with the device,...
- Patent number 8,305,020
- Issue date Nov 6, 2012
- Hitachi, Ltd.
- Takahiro Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor control apparatus and motor system
- Patent number 8,115,436
- Issue date Feb 14, 2012
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control apparatus for AC motor
- Patent number 8,044,618
- Issue date Oct 25, 2011
- Hitachi, Ltd.
- Junnosuke Nakatsugawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor power converter
- Patent number 7,919,941
- Issue date Apr 5, 2011
- Hitachi, Ltd.
- Shigehisa Aoyagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vector controller for a permanent magnet motor and inverter module
- Patent number 7,821,223
- Issue date Oct 26, 2010
- Hitachi, Ltd.
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Beat-less controller for permanent magnet motor
- Patent number 7,808,202
- Issue date Oct 5, 2010
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for permanent magnet synchronous motor and module
- Patent number 7,388,341
- Issue date Jun 17, 2008
- Hitachi, Ltd.
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for driving synchronous motor
- Patent number 7,342,378
- Issue date Mar 11, 2008
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous motor drive unit and a driving method thereof
- Patent number 7,294,988
- Issue date Nov 13, 2007
- Hitachi, Ltd.
- Toshiyuki Ajima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Synchronous motor driving apparatus
- Patent number 7,276,876
- Issue date Oct 2, 2007
- Hitachi Industrial Equipment Systems Co., Ltd.
- Daigo Kaneko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor drive system for AC motors
- Patent number 7,064,514
- Issue date Jun 20, 2006
- Hitachi, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving systems of AC motor
- Patent number 7,030,589
- Issue date Apr 18, 2006
- Hitachi Industrial Equipment Systems Co., Ltd.
- Daigo Kaneko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sensorless control system for synchronous motor
- Patent number 6,690,137
- Issue date Feb 10, 2004
- Hitachi, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous motor driving system
- Patent number 6,650,081
- Issue date Nov 18, 2003
- Hitachi, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving device for synchronous motor
- Patent number 6,639,377
- Issue date Oct 28, 2003
- Hitachi, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous motor driving system and sensorless control method for...
- Patent number 6,628,099
- Issue date Sep 30, 2003
- Hitachi, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Position-sensorless controlling method of synchronous motor
- Patent number 6,462,492
- Issue date Oct 8, 2002
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of estimating a rotor position of synchronous motor, method...
- Patent number 6,396,229
- Issue date May 28, 2002
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power inverter device
- Patent number 6,028,779
- Issue date Feb 22, 2000
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Piping travelling apparatus
- Patent number 4,770,105
- Issue date Sep 13, 1988
- Hitachi, Ltd.
- Atsushi Takagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Wind Farm or Control Method of Wind Farm
- Publication number 20180058426
- Publication date Mar 1, 2018
- Hitachi, Ltd
- Shinichi KONDOU
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND POWER GENERATING EQUIPMENT, OPERATION METHOD THEREOF, AND WIND...
- Publication number 20180013364
- Publication date Jan 11, 2018
- Hitachi, Ltd
- Yuta ITOH
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND POWER GENERATION SYSTEM, DEVICE USING WIND POWER GENERATION SY...
- Publication number 20140103656
- Publication date Apr 17, 2014
- Hitachi, Ltd
- Kenichi Azegami
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wind Turbine Generator System
- Publication number 20130309093
- Publication date Nov 21, 2013
- Hitachi, Ltd
- Takuji Yanagibashi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wind Power Generator System, and Control Method for the Same
- Publication number 20130113212
- Publication date May 9, 2013
- Hitachi, Ltd
- Kiyoshi Sakamoto
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Driving system of permanent magnet synchronous motor
- Publication number 20110050140
- Publication date Mar 3, 2011
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Toshifumi Sakai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC POWER CONVERSION DEVICE, COMPRESSOR MOTOR WITH THE DEVICE,...
- Publication number 20090323232
- Publication date Dec 31, 2009
- Takahiro Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL APPARATUS FOR AC MOTOR
- Publication number 20090140674
- Publication date Jun 4, 2009
- Junnosuke NAKATSUGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Motor Control Apparatus and Motor System
- Publication number 20090108784
- Publication date Apr 30, 2009
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Semiconductor Power Converter
- Publication number 20090058331
- Publication date Mar 5, 2009
- Hitachi, Ltd.
- Shigehisa Aoyagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BEAT-LESS CONTROLLER FOR PERMANENT MAGNET MOTOR
- Publication number 20080157710
- Publication date Jul 3, 2008
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VECTOR CONTROLLER FOR A PERMANENT MAGNET MOTOR AND INVERTER MODULE
- Publication number 20080048606
- Publication date Feb 28, 2008
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Inverter system
- Publication number 20070241720
- Publication date Oct 18, 2007
- HITACHI, LTD.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System and method for driving synchronous motor
- Publication number 20070120519
- Publication date May 31, 2007
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Synchronous motor drive unit and a driving method thereof
- Publication number 20060125439
- Publication date Jun 15, 2006
- HITACHI, LTD.
- Toshiyuki Ajima
- B60 - VEHICLES IN GENERAL
Information Patent Application
Synchronous moter driving apparatus
- Publication number 20060113948
- Publication date Jun 1, 2006
- Daigo Kaneko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control system for permanent magnet synchronous motor and module
- Publication number 20060055362
- Publication date Mar 16, 2006
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Driving systems of AC motor
- Publication number 20040263114
- Publication date Dec 30, 2004
- Daigo Kaneko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Motor drive system for AC motors
- Publication number 20040183498
- Publication date Sep 23, 2004
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control apparatus for controlling inverter for driving permanent ma...
- Publication number 20040113572
- Publication date Jun 17, 2004
- Hitachi, Ltd
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System for driving electric motor
- Publication number 20030071588
- Publication date Apr 17, 2003
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Synchronous motor driving system and sensorless control method for...
- Publication number 20030057912
- Publication date Mar 27, 2003
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Synchronous motor driving system
- Publication number 20030052640
- Publication date Mar 20, 2003
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Sensorless control system for synchronous motor
- Publication number 20030030404
- Publication date Feb 13, 2003
- Hitachi, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Driving device for synchronous motor
- Publication number 20020153857
- Publication date Oct 24, 2002
- Hitachi, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Kiyoshi Sakamoto

Person

Patents Grantslast 30 patents

Wind turbine generator system

Wind power generation system, device using wind power generation sy...

Wind power generator system, and control method for the same

Driving system of permanent magnet synchronous motor

Electric power conversion device, compressor motor with the device,...

Motor control apparatus and motor system

Control apparatus for AC motor

Semiconductor power converter

Vector controller for a permanent magnet motor and inverter module

Beat-less controller for permanent magnet motor

Control system for permanent magnet synchronous motor and module

System and method for driving synchronous motor

Synchronous motor drive unit and a driving method thereof

Synchronous motor driving apparatus

Motor drive system for AC motors

Driving systems of AC motor

Sensorless control system for synchronous motor

Synchronous motor driving system

Driving device for synchronous motor

Synchronous motor driving system and sensorless control method for...

Position-sensorless controlling method of synchronous motor

Method of estimating a rotor position of synchronous motor, method...

Power inverter device

Piping travelling apparatus

Patents Applicationslast 30 patents

Wind Farm or Control Method of Wind Farm

WIND POWER GENERATING EQUIPMENT, OPERATION METHOD THEREOF, AND WIND...

WIND POWER GENERATION SYSTEM, DEVICE USING WIND POWER GENERATION SY...

Wind Turbine Generator System

Wind Power Generator System, and Control Method for the Same

Driving system of permanent magnet synchronous motor

ELECTRIC POWER CONVERSION DEVICE, COMPRESSOR MOTOR WITH THE DEVICE,...

CONTROL APPARATUS FOR AC MOTOR

Motor Control Apparatus and Motor System

Semiconductor Power Converter

BEAT-LESS CONTROLLER FOR PERMANENT MAGNET MOTOR

VECTOR CONTROLLER FOR A PERMANENT MAGNET MOTOR AND INVERTER MODULE

Inverter system

System and method for driving synchronous motor

Synchronous motor drive unit and a driving method thereof

Synchronous moter driving apparatus

Control system for permanent magnet synchronous motor and module

Driving systems of AC motor

Motor drive system for AC motors

Control apparatus for controlling inverter for driving permanent ma...

System for driving electric motor

Synchronous motor driving system and sensorless control method for...

Synchronous motor driving system

Sensorless control system for synchronous motor

Driving device for synchronous motor