Ayumu HATANAKA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power conversion device and manufacturing method of power conversio...
- Patent number 11,888,408
- Issue date Jan 30, 2024
- Hitachi Astemo, Ltd.
- Takeshi Seki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage filter and power conversion device
- Patent number 11,348,735
- Issue date May 31, 2022
- Hitachi Astemo, Ltd.
- Isao Houda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic valve control unit and internal combustion engine c...
- Patent number 11,300,070
- Issue date Apr 12, 2022
- Hitachi Astemo, Ltd.
- Toshihiro Aono
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Drive device for fuel injection device, and fuel injection system
- Patent number 10,961,935
- Issue date Mar 30, 2021
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Ryo Kusakabe
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Power converter
- Patent number 10,903,754
- Issue date Jan 26, 2021
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Ayumu Hatanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power conversion device with efficient cooling structure
- Patent number 10,673,349
- Issue date Jun 2, 2020
- Hitachi, Ltd.
- Youhei Nishizawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Acoustic emission wave detection system for a high voltage apparatus
- Patent number 10,488,515
- Issue date Nov 26, 2019
- Hitachi, Ltd.
- Daichi Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electromagnetic valve control unit and internal combustion engine c...
- Patent number 10,240,551
- Issue date Mar 26, 2019
- Hitachi Automotive Systems, Ltd.
- Toshihiro Aono
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Power module, electrical power conversion device, and driving devic...
- Patent number 10,115,700
- Issue date Oct 30, 2018
- Hitachi, Ltd.
- Ryuusei Fujita
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electromagnetic coil driving control device
- Patent number 10,002,699
- Issue date Jun 19, 2018
- Hitachi Automotive Systems, Ltd.
- Kiyoshi Aiki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Drive device for fuel injection device, and fuel injection system
- Patent number 9,926,874
- Issue date Mar 27, 2018
- Hitachi Automotive Systems, Ltd.
- Ryo Kusakabe
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Drive device for fuel injection device
- Patent number 9,714,626
- Issue date Jul 25, 2017
- Hitachi Automotive Systems, Ltd.
- Ayumu Hatanaka
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
In-vehicle step-down switching power supply, in-vehicle electronic...
- Patent number 9,694,694
- Issue date Jul 4, 2017
- Hitachi Automotive Systems, Ltd.
- Ayumu Hatanaka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Series regulator on electronic control unit for automotive vehicle
- Patent number 9,287,771
- Issue date Mar 15, 2016
- Hitachi Automotive Systems, Ltd.
- Ayumu Hatanaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor drive circuit and power conversion apparatus using same
- Patent number 8,928,363
- Issue date Jan 6, 2015
- Hitachi, Ltd.
- Ayumu Hatanaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Injector drive circuit
- Patent number 8,649,151
- Issue date Feb 11, 2014
- Hitachi Automotive Systems, Ltd.
- Shigeki Yamada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electromagnetic valve driving circuit
- Patent number 8,599,530
- Issue date Dec 3, 2013
- Hitachi Automotive Systems, Ltd.
- Kohei Onda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Injector drive circuit
- Patent number 8,514,541
- Issue date Aug 20, 2013
- Hitachi Automotive Systems, Ltd.
- Ayumu Hatanaka
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
POWER CONVERSION DEVICE AND MANUFACTURING METHOD OF POWER CONVERSIO...
- Publication number 20220158566
- Publication date May 19, 2022
- Hitachi Astemo, Ltd.
- Takeshi SEKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High Voltage Filter and Power Conversion Device
- Publication number 20210319956
- Publication date Oct 14, 2021
- Hitachi Automotive Systems, Ltd.
- Isao HOUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20200100377
- Publication date Mar 26, 2020
- Hitachi Automotive Systems, Ltd.
- Youhei NISHIZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERTER
- Publication number 20190356238
- Publication date Nov 21, 2019
- Hitachi Automotive Systems, Ltd.
- Ayumu HATANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electromagnetic Valve Control Unit and Internal Combustion Engine C...
- Publication number 20190218990
- Publication date Jul 18, 2019
- Hitachi Automotive Systems, Ltd.
- Toshihiro AONO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Drive Device for Fuel Injection Device, and Fuel Injection System
- Publication number 20180209366
- Publication date Jul 26, 2018
- Hitachi Automotive Systems, Ltd.
- Ryo KUSAKABE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
POWER MODULE, ELECTRICAL POWER CONVERSION DEVICE, AND DRIVING DEVIC...
- Publication number 20180026009
- Publication date Jan 25, 2018
- Hitachi, Ltd
- Ryuusei FUJITA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Acoustic Emission Wave Detector, Acoustic Emission Wave Detection S...
- Publication number 20170329006
- Publication date Nov 16, 2017
- Daichi KAWAMURA
- G01 - MEASURING TESTING
Information Patent Application
Drive Device for Fuel Injection Device, and Fuel Injection System
- Publication number 20160177855
- Publication date Jun 23, 2016
- Hitachi Automotive Systems, Ltd.
- Ryo KUSAKABE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Electromagnetic Valve Control Unit and Internal Combustion Engine C...
- Publication number 20160076498
- Publication date Mar 17, 2016
- Toshihiro AONO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Electromagnetic Coil Driving Control Device
- Publication number 20160071642
- Publication date Mar 10, 2016
- Kiyoshi AIKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IN-VEHICLE STEP-DOWN SWITCHING POWER SUPPLY, IN-VEHICLE ELECTRONIC...
- Publication number 20160001661
- Publication date Jan 7, 2016
- Hitachi Automotive Systems, Ltd.
- Ayumu HATANAKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Drive Device for Fuel Injection Device
- Publication number 20150377176
- Publication date Dec 31, 2015
- Hitachi Automotive Systems, Ltd.
- Ayumu HATANAKA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Semiconductor Drive Circuit and Power Conversion Apparatus Using Same
- Publication number 20140191784
- Publication date Jul 10, 2014
- Hitachi, Ltd
- Ayumu Hatanaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SERIES REGULATOR ON ELECTRONIC CONTROL UNIT FOR AUTOMOTIVE VEHICLE
- Publication number 20130049459
- Publication date Feb 28, 2013
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Ayumu Hatanaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Injector Drive Circuit
- Publication number 20120194961
- Publication date Aug 2, 2012
- Hitachi Automotive Systems, Ltd.
- Shigeki Yamada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Electromagnetic Valve Driving Circuit
- Publication number 20110222202
- Publication date Sep 15, 2011
- Hitachi Automotive Systems, Ltd.
- Kohei ONDA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Injector Drive Circuit
- Publication number 20110220069
- Publication date Sep 15, 2011
- Hitachi Automotive Systems, Ltd.
- Ayumu HATANAKA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Ayumu HATANAKA

Person

Patents Grantslast 30 patents

Power conversion device and manufacturing method of power conversio...

High voltage filter and power conversion device

Electromagnetic valve control unit and internal combustion engine c...

Drive device for fuel injection device, and fuel injection system

Power converter

Power conversion device with efficient cooling structure

Acoustic emission wave detection system for a high voltage apparatus

Electromagnetic valve control unit and internal combustion engine c...

Power module, electrical power conversion device, and driving devic...

Electromagnetic coil driving control device

Drive device for fuel injection device, and fuel injection system

Drive device for fuel injection device

In-vehicle step-down switching power supply, in-vehicle electronic...

Series regulator on electronic control unit for automotive vehicle

Semiconductor drive circuit and power conversion apparatus using same

Injector drive circuit

Electromagnetic valve driving circuit

Injector drive circuit

Patents Applicationslast 30 patents

POWER CONVERSION DEVICE AND MANUFACTURING METHOD OF POWER CONVERSIO...

High Voltage Filter and Power Conversion Device

POWER CONVERSION DEVICE

POWER CONVERTER

Electromagnetic Valve Control Unit and Internal Combustion Engine C...

Drive Device for Fuel Injection Device, and Fuel Injection System

POWER MODULE, ELECTRICAL POWER CONVERSION DEVICE, AND DRIVING DEVIC...

Acoustic Emission Wave Detector, Acoustic Emission Wave Detection S...

Drive Device for Fuel Injection Device, and Fuel Injection System

Electromagnetic Valve Control Unit and Internal Combustion Engine C...

Electromagnetic Coil Driving Control Device

IN-VEHICLE STEP-DOWN SWITCHING POWER SUPPLY, IN-VEHICLE ELECTRONIC...

Drive Device for Fuel Injection Device

Semiconductor Drive Circuit and Power Conversion Apparatus Using Same

SERIES REGULATOR ON ELECTRONIC CONTROL UNIT FOR AUTOMOTIVE VEHICLE

Injector Drive Circuit

Electromagnetic Valve Driving Circuit

Injector Drive Circuit