Shigehisa AOYAGI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Motor control device
- Patent number 11,831,265
- Issue date Nov 28, 2023
- Hitachi Astemo, Ltd.
- Midori Takaoka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power conversion device
- Patent number 11,611,292
- Issue date Mar 21, 2023
- Hitachi Astemo, Ltd.
- Shigehisa Aoyagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor control device and brake control device
- Patent number 11,451,179
- Issue date Sep 20, 2022
- Hitachi Astemo, Ltd.
- Takafumi Hara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control device for electric power steering apparatus and electric p...
- Patent number 11,325,641
- Issue date May 10, 2022
- Hitachi Astemo, Ltd.
- Takafumi Hara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control device
- Patent number 11,290,036
- Issue date Mar 29, 2022
- Hitachi Astemo, Ltd.
- Shigehisa Aoyagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control device for three-phase synchronous motor and electric power...
- Patent number 11,228,271
- Issue date Jan 18, 2022
- Hitachi Astemo, Ltd.
- Takafumi Hara
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Inverter control device, motor drive device, and electric power ste...
- Patent number 10,924,048
- Issue date Feb 16, 2021
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Hiroshi Tamura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Control device for power steering device, and power steering device
- Patent number 10,745,045
- Issue date Aug 18, 2020
- Hitachi Automotive Systems, Ltd.
- Mitsuo Sasaki
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Power converter and electric power steering apparatus
- Patent number 10,700,627
- Issue date Jun 30, 2020
- Hitachi Automotive Systems, Ltd.
- Shigehisa Aoyagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter driving device, electric brake apparatus, and electric pow...
- Patent number 10,511,249
- Issue date Dec 17, 2019
- Hitachi Automotive Systems, Ltd.
- Masahiro Seo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Drive device for three-phase synchronous motor
- Patent number 10,411,621
- Issue date Sep 10, 2019
- Hitachi Automotive Systems, Ltd.
- Takafumi Hara
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Power conversion device and electric power steering device using th...
- Patent number 10,348,218
- Issue date Jul 9, 2019
- Hitachi Automotive Systems, Ltd.
- Takuro Kanazawa
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric motor drive control device, electrically driven power stee...
- Patent number 9,831,814
- Issue date Nov 28, 2017
- Hitachi Automotive Systems, Ltd.
- Toshiyuki Ajima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Inverter apparatus
- Patent number 9,531,305
- Issue date Dec 27, 2016
- Hitachi Automotive Systems, Ltd.
- Toshiyuki Ajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive system for synchronous electrical motor
- Patent number 8,884,575
- Issue date Nov 11, 2014
- Hitachi Automotive Systems, Ltd.
- Ryoichi Takahata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous motor drive system and synchronous motor
- Patent number 8,878,480
- Issue date Nov 4, 2014
- Hitachi Automotive Systems, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous electric motor drive system
- Patent number 8,766,575
- Issue date Jul 1, 2014
- Hitachi Automotive Systems, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brushless motor drive apparatus and drive method
- Patent number 8,710,788
- Issue date Apr 29, 2014
- Hitachi Automotive Systems, Ltd.
- Masaki Hano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion device and method for controlling thereof
- Patent number 8,710,781
- Issue date Apr 29, 2014
- Hitachi Industrial Equipment Systems Co., Ltd.
- Yoichiro Arakawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control unit and control method for permanent magnet synchronous motor
- Patent number 8,436,563
- Issue date May 7, 2013
- Hitachi, Ltd.
- Satoshi Sumita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Torque controller for permanent magnet synchronous motor
- Patent number 8,305,019
- Issue date Nov 6, 2012
- Hitachi Car Engineering Co., Ltd.
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Position sensorless controller for permanent magnet motor
- Patent number 8,106,619
- Issue date Jan 31, 2012
- Hitachi Industrial Equipment Systems Co. Ltd.
- Kazuaki Tobari
- 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
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
Motor drive device that combined charge controller
- Patent number 7,332,882
- Issue date Feb 19, 2008
- Hitachi, Ltd.
- Shigehisa Aoyagi
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20240413746
- Publication date Dec 12, 2024
- Hitachi Astemo, Ltd.
- Takeshi TOKUYAMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Inverter Control Device, Hybrid System, Electromechanical Integrate...
- Publication number 20240380337
- Publication date Nov 14, 2024
- Hitachi Astemo, Ltd.
- Takafumi HARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ROTATING ELECTRIC MACHINE
- Publication number 20240322624
- Publication date Sep 26, 2024
- Hitachi Astemo, Ltd.
- Ryouichi TAKAHATA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD
- Publication number 20240291417
- Publication date Aug 29, 2024
- Hitachi Astemo, Ltd.
- Shigehisa AOYAGI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion Device
- Publication number 20240275297
- Publication date Aug 15, 2024
- Hitachi Astemo, Ltd.
- Takahiro ARAKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC MOTOR SYSTEM
- Publication number 20240266920
- Publication date Aug 8, 2024
- Hitachi Astemo, Ltd.
- Takaki ITAYA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20240251532
- Publication date Jul 25, 2024
- Hitachi Astemo, Ltd.
- Takeshi TOKUYAMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC POWER CONVERTER
- Publication number 20240244807
- Publication date Jul 18, 2024
- Hitachi Astemo, Ltd.
- Takahiro ARAKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR CONTROL DEVICE, ELECTROMECHANICAL INTEGRATED UNIT, HYBRID SYS...
- Publication number 20240227771
- Publication date Jul 11, 2024
- Hitachi Astemo, Ltd.
- Takaya TSUKAGOSHI
- B60 - VEHICLES IN GENERAL
Information Patent Application
MOTOR CONTROL DEVICE, ELECTROMECHANICAL INTEGRATED UNIT, BOOST CONV...
- Publication number 20240042867
- Publication date Feb 8, 2024
- Hitachi Astemo, Ltd.
- Takafumi HARA
- B60 - VEHICLES IN GENERAL
Information Patent Application
INVERTER INTEGRATED MOTOR
- Publication number 20230402904
- Publication date Dec 14, 2023
- Hitachi Astemo, Ltd.
- Takaki ITAYA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Semiconductor Device, Power Conversion Device, and Electric S...
- Publication number 20230395457
- Publication date Dec 7, 2023
- Hitachi Astemo, Ltd.
- Takahiro ARAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROTATING ELECTRIC MACHINE
- Publication number 20230336040
- Publication date Oct 19, 2023
- Hitachi Astemo, Ltd.
- Hideaki GOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVE DEVICE OF SYNCHRONOUS MOTOR AND METHOD OF DRIVING SYNCHRONOUS...
- Publication number 20230198437
- Publication date Jun 22, 2023
- Hitachi Astemo, Ltd.
- Hiroaki SATO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR CONTROL DEVICE
- Publication number 20220029573
- Publication date Jan 27, 2022
- Hitachi Astemo, Ltd.
- Midori TAKAOKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20220029572
- Publication date Jan 27, 2022
- Hitachi Astemo, Ltd.
- Shigehisa AOYAGI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control Device for Three-Phase Synchronous Motor and Electric Power...
- Publication number 20210091700
- Publication date Mar 25, 2021
- Hitachi Automotive Systems, Ltd.
- Takafumi HARA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Control Device
- Publication number 20200412284
- Publication date Dec 31, 2020
- Hitachi Automotive Systems, Ltd.
- Shigehisa AOYAGI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INVERTER CONTROL DEVICE, MOTOR DRIVE DEVICE, AND ELECTRIC POWER STE...
- Publication number 20200280278
- Publication date Sep 3, 2020
- Hitachi Automotive Systems, Ltd.
- Hiroshi TAMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Motor Control Device and Brake Control Device
- Publication number 20200244203
- Publication date Jul 30, 2020
- Hitachi Automotive Systems, Ltd.
- Takafumi HARA
- B60 - VEHICLES IN GENERAL
Information Patent Application
POWER CONVERTER AND ELECTRIC POWER STEERING APPARATUS
- Publication number 20190074790
- Publication date Mar 7, 2019
- Hitachi Automotive Systems, Ltd.
- Shigehisa AOYAGI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL DEVICE FOR POWER STEERING DEVICE, AND POWER STEERING DEVICE
- Publication number 20190023309
- Publication date Jan 24, 2019
- Hitachi Automotive Systems, Ltd.
- Mitsuo SASAKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Inverter Driving Device, Electric Brake Apparatus, and Electric Pow...
- Publication number 20190013761
- Publication date Jan 10, 2019
- Hitachi Automotive Systems, Ltd.
- Masahiro SEO
- B60 - VEHICLES IN GENERAL
Information Patent Application
Control Device for Electric Power Steering Apparatus and Electric P...
- Publication number 20180201303
- Publication date Jul 19, 2018
- Hitachi Automotive Systems, Ltd.
- Takafumi HARA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Electric Power Converter and Electric Power Steering Apparatus Moun...
- Publication number 20180194388
- Publication date Jul 12, 2018
- Hitachi Automotive Systems, Ltd.
- Shigehisa AOYAGI
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Motor Control Device and Electric Power Steering Device Mounting th...
- Publication number 20180191283
- Publication date Jul 5, 2018
- Hitachi Automotive Systems, Ltd.
- Shigehisa AOYAGI
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Drive Device for Three-Phase Synchronous Motor
- Publication number 20180183366
- Publication date Jun 28, 2018
- Hitachi Automotive Systems, Ltd.
- Takafumi HARA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Power Conversion Device and Electric Power Steering Device Using th...
- Publication number 20170331395
- Publication date Nov 16, 2017
- Hitachi Automotive Systems, Ltd.
- Takuro KANAZAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electric Motor Drive Control Device, Electrically Driven Power Stee...
- Publication number 20160094180
- Publication date Mar 31, 2016
- Hitachi Automotive Systems, Ltd.
- Toshiyuki AJIMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
MOTOR DRIVING SYSTEM
- Publication number 20150311835
- Publication date Oct 29, 2015
- Hitachi Automotive Systems, Ltd.
- Takafumi HARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Shigehisa AOYAGI

Person

Patents Grantslast 30 patents

Motor control device

Power conversion device

Motor control device and brake control device

Control device for electric power steering apparatus and electric p...

Control device

Control device for three-phase synchronous motor and electric power...

Inverter control device, motor drive device, and electric power ste...

Control device for power steering device, and power steering device

Power converter and electric power steering apparatus

Inverter driving device, electric brake apparatus, and electric pow...

Drive device for three-phase synchronous motor

Power conversion device and electric power steering device using th...

Electric motor drive control device, electrically driven power stee...

Inverter apparatus

Drive system for synchronous electrical motor

Synchronous motor drive system and synchronous motor

Synchronous electric motor drive system

Brushless motor drive apparatus and drive method

Power conversion device and method for controlling thereof

Control unit and control method for permanent magnet synchronous motor

Torque controller for permanent magnet synchronous motor

Position sensorless controller for permanent magnet motor

Semiconductor power converter

Vector controller for a permanent magnet motor and inverter module

Control system for permanent magnet synchronous motor and module

Motor drive device that combined charge controller

Patents Applicationslast 30 patents

POWER CONVERSION DEVICE

Inverter Control Device, Hybrid System, Electromechanical Integrate...

ROTATING ELECTRIC MACHINE

INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD

Power Conversion Device

ELECTRIC MOTOR SYSTEM

POWER CONVERSION DEVICE

ELECTRIC POWER CONVERTER

MOTOR CONTROL DEVICE, ELECTROMECHANICAL INTEGRATED UNIT, HYBRID SYS...

MOTOR CONTROL DEVICE, ELECTROMECHANICAL INTEGRATED UNIT, BOOST CONV...

INVERTER INTEGRATED MOTOR

Power Semiconductor Device, Power Conversion Device, and Electric S...

ROTATING ELECTRIC MACHINE

DRIVE DEVICE OF SYNCHRONOUS MOTOR AND METHOD OF DRIVING SYNCHRONOUS...

MOTOR CONTROL DEVICE

POWER CONVERSION DEVICE

Control Device for Three-Phase Synchronous Motor and Electric Power...

Control Device

INVERTER CONTROL DEVICE, MOTOR DRIVE DEVICE, AND ELECTRIC POWER STE...

Motor Control Device and Brake Control Device

POWER CONVERTER AND ELECTRIC POWER STEERING APPARATUS

CONTROL DEVICE FOR POWER STEERING DEVICE, AND POWER STEERING DEVICE

Inverter Driving Device, Electric Brake Apparatus, and Electric Pow...

Control Device for Electric Power Steering Apparatus and Electric P...

Electric Power Converter and Electric Power Steering Apparatus Moun...

Motor Control Device and Electric Power Steering Device Mounting th...

Drive Device for Three-Phase Synchronous Motor

Power Conversion Device and Electric Power Steering Device Using th...

Electric Motor Drive Control Device, Electrically Driven Power Stee...

MOTOR DRIVING SYSTEM