Youhei KAWAHARA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery state detection device, secondary battery system, program p...
- Patent number 10,725,111
- Issue date Jul 28, 2020
- Vehicle Energy Japan Inc.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery state detection device, secondary battery system, program p...
- Patent number 10,686,229
- Issue date Jun 16, 2020
- Vehicle Energy Japan Inc.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Secondary-battery monitoring device and prediction method of batter...
- Patent number 10,591,550
- Issue date Mar 17, 2020
- VEHICLE ENERGY JAPAN INC.
- Masahiro Yonemoto
- G01 - MEASURING TESTING
Information Patent Grant
Secondary battery system
- Patent number 10,147,983
- Issue date Dec 4, 2018
- Hitachi Automotive Systems, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Storage battery apparatus
- Patent number 9,748,537
- Issue date Aug 29, 2017
- Hitachi Automotive Systems, Ltd.
- Akihiko Emori
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery controlling using charge state calculator and charge state...
- Patent number 9,689,926
- Issue date Jun 27, 2017
- Hitachi Automotive Systems, Ltd.
- Keiichiro Ohkawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery control device adapting the battery current limit by decrea...
- Patent number 9,641,011
- Issue date May 2, 2017
- Hitachi Automotive Systems, Ltd.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Secondary battery module, battery information management device, ba...
- Patent number 9,397,374
- Issue date Jul 19, 2016
- Hitachi Automotive Systems, Ltd.
- Shuko Yamauchi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Battery control circuit and battery device
- Patent number 9,362,759
- Issue date Jun 7, 2016
- Hitachi Vehicle Energy, Ltd
- Ryouhei Nakao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control circuit having multiple adjusting units
- Patent number 9,356,451
- Issue date May 31, 2016
- Hitachi Automotive Systems, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric storage device
- Patent number 9,293,937
- Issue date Mar 22, 2016
- Hitachi Automotive Systems, Ltd.
- Youhei Kawahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device, battery pack, and electronic device
- Patent number 9,263,777
- Issue date Feb 16, 2016
- Renesas Electronics Corporation
- Youhei Kawahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric storage cell control circuit
- Patent number 9,252,602
- Issue date Feb 2, 2016
- Hitachi Automotive Systems, Ltd.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control device and battery system
- Patent number 9,252,624
- Issue date Feb 2, 2016
- Hitachi Automotive Systems, Ltd.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Integrated circuit for controlling battery cell and vehicle power s...
- Patent number 9,130,379
- Issue date Sep 8, 2015
- Hitachi, Ltd.
- Kei Sakabe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control device and motor drive system
- Patent number 8,947,023
- Issue date Feb 3, 2015
- Hitachi, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric storage device
- Patent number 8,798,832
- Issue date Aug 5, 2014
- Hitachi, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control circuit for reducing power consumption
- Patent number 8,736,229
- Issue date May 27, 2014
- Hitachi Vehicle Energy, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control device
- Patent number 8,583,389
- Issue date Nov 12, 2013
- Hitachi Vehicle Energy, Ltd.
- Yoshinori Aoshima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
State detection device for power supply system
- Patent number 8,466,708
- Issue date Jun 18, 2013
- Hitachi, Ltd.
- Youhei Kawahara
- G01 - MEASURING TESTING
Information Patent Grant
Multi-series battery control system
- Patent number 8,426,047
- Issue date Apr 23, 2013
- Hitachi, Ltd.
- Akihiko Emori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Secondary battery module, battery information management device, ba...
- Patent number 8,299,757
- Issue date Oct 30, 2012
- Hitachi Vehicle Energy, Ltd
- Shuko Yamauchi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Vehicle power supply device
- Patent number 8,212,571
- Issue date Jul 3, 2012
- Hitachi, Ltd.
- Akihiko Emori
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery apparatus, battery control apparatus, and motor drive unit
- Patent number 8,193,763
- Issue date Jun 5, 2012
- Hitachi Vehicle Energy, Ltd.
- Takahiro Kawata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automotive power supply system
- Patent number 8,159,184
- Issue date Apr 17, 2012
- Hitachi, Ltd.
- Akihiko Emori
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Status detector for power supply, power supply, and initial charact...
- Patent number 8,054,045
- Issue date Nov 8, 2011
- Hitachi Vehicle Energy, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery management system for calculating charge and disharge powers
- Patent number 8,004,239
- Issue date Aug 23, 2011
- Hitachi Vehicle Energy, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery apparatus, battery control apparatus, and motor drive unit
- Patent number 7,911,178
- Issue date Mar 22, 2011
- Hitachi Vehicle Energy, Ltd.
- Takahiro Kawata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hybrid vehicle control system and method
- Patent number 7,830,126
- Issue date Nov 9, 2010
- Hitachi, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Storage battery managing apparatus and vehicle controlling apparatu...
- Patent number 7,755,331
- Issue date Jul 13, 2010
- Hitachi, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
POWER MANAGEMENT SYSTEM, POWER MANAGEMENT DEVICE, AND POWER MANAGEM...
- Publication number 20190386511
- Publication date Dec 19, 2019
- Hitachi, Ltd
- Hirofumi TAKAHASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Battery State Detection Device, Secondary Battery System, Program P...
- Publication number 20170141444
- Publication date May 18, 2017
- Hitachi Automotive Systems, Ltd.
- Youhei KAWAHARA
- G01 - MEASURING TESTING
Information Patent Application
Battery State Detection Device, Secondary Battery System, Program P...
- Publication number 20170131360
- Publication date May 11, 2017
- Hitachi Automotive Systems, Ltd.
- Youhei KAWAHARA
- G01 - MEASURING TESTING
Information Patent Application
SECONDARY-BATTERY MONITORING DEVICE AND PREDICTION METHOD OF BATTER...
- Publication number 20170082694
- Publication date Mar 23, 2017
- Hitachi Automotive Systems, Ltd.
- Masahiro YONEMOTO
- G01 - MEASURING TESTING
Information Patent Application
Secondary Battery System
- Publication number 20160351976
- Publication date Dec 1, 2016
- Hitachi Automotive Systems, Ltd.
- Youhei KAWAHARA
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY CONTROL DEVICE, BATTERY SYSTEM
- Publication number 20150301115
- Publication date Oct 22, 2015
- Hitachi Automotive Systems, Ltd.
- Keiichiro OHKAWA
- G01 - MEASURING TESTING
Information Patent Application
BATTERY CONTROLLER
- Publication number 20140239914
- Publication date Aug 28, 2014
- HITACHI VEHICLE ENERGY, LTD.
- Naoyuki Igarashi
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRIC STORAGE CELL CONTROL CIRCUIT
- Publication number 20140217982
- Publication date Aug 7, 2014
- HITACHI VEHICLE ENERGY, LTD.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY CONTROL APPARATUS AND BATTERY SYSTEM
- Publication number 20140184236
- Publication date Jul 3, 2014
- HITACHI VEHICLE ENERGY, LTD.
- Keiichiro Ohkawa
- G01 - MEASURING TESTING
Information Patent Application
BATTERY CONTROL DEVICE AND BATTERY SYSTEM
- Publication number 20140184166
- Publication date Jul 3, 2014
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
SEMICONDUCTOR DEVICE, BATTERY PACK, AND ELECTRONIC DEVICE
- Publication number 20140177145
- Publication date Jun 26, 2014
- RENESAS ELECTRONICS CORPORATION
- Youhei Kawahara
- G01 - MEASURING TESTING
Information Patent Application
Battery Control Circuit for Reducing Power Consumption
- Publication number 20140159671
- Publication date Jun 12, 2014
- HITACHI VEHICLE ENERGY, LTD.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY CONTROL DEVICE AND BATTERY SYSTEM
- Publication number 20140111164
- Publication date Apr 24, 2014
- HITACHI VEHICLE ENERGY, LTD.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRIC STORAGE DEVICE
- Publication number 20140042973
- Publication date Feb 13, 2014
- HITACHI VEHICLE ENERGY, LTD.
- Youhei Kawahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY STATE ESTIMATION METHOD AND BATTERY CONTROL SYSTEM
- Publication number 20130320989
- Publication date Dec 5, 2013
- Hitachi, Ltd
- Takeshi Inoue
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY CONTROL CIRCUIT AND BATTERY DEVICE
- Publication number 20130106356
- Publication date May 2, 2013
- HITACHI VEHICLE ENERGY, LTD.
- Ryouhei Nakao
- B60 - VEHICLES IN GENERAL
Information Patent Application
SECONDARY BATTERY MODULE, BATTERY INFORMATION MANAGEMENT DEVICE, BA...
- Publication number 20130018610
- Publication date Jan 17, 2013
- Shuko Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery Control Device and Motor Drive System
- Publication number 20120256569
- Publication date Oct 11, 2012
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Application
Battery Control Circuit
- Publication number 20110316520
- Publication date Dec 29, 2011
- HITACHI VEHICLE ENERGY, LTD.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Application
Electric Storage Device
- Publication number 20110313613
- Publication date Dec 22, 2011
- Hitachi Vechicle Energy, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Application
Battery Apparatus, Battery Control Apparatus, and Motor Drive Unit
- Publication number 20110187326
- Publication date Aug 4, 2011
- HITACHI VEHICLE ENERGY, LTD.
- Takahiro Kawata
- B60 - VEHICLES IN GENERAL
Information Patent Application
State Detection Device for Power Supply System
- Publication number 20100244886
- Publication date Sep 30, 2010
- Hitachi, Ltd
- Youhei KAWAHARA
- G01 - MEASURING TESTING
Information Patent Application
SECONDARY BATTERY MODULE, BATTERY INFORMATION MANAGEMENT DEVICE, BA...
- Publication number 20100188039
- Publication date Jul 29, 2010
- Shuko Yamauchi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Battery Control Device
- Publication number 20100185405
- Publication date Jul 22, 2010
- HITACHI VEHICLE ENERGY, LTD.
- Yoshinori AOSHIMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Status Detector for Power Supply, Power Supply, and Initial Charact...
- Publication number 20100030499
- Publication date Feb 4, 2010
- HITACHI VEHICLE ENERGY, LTD.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Application
Battery Management System
- Publication number 20090174369
- Publication date Jul 9, 2009
- HITACHI VEHICLE ENERGY, LTD.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Application
Multi-Series Battery Control System
- Publication number 20090130541
- Publication date May 21, 2009
- Hitachi, Ltd
- Akihiko Emori
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Vehicle power supply device
- Publication number 20090091332
- Publication date Apr 9, 2009
- Hitachi, Ltd
- Akihiko Emori
- B60 - VEHICLES IN GENERAL
Information Patent Application
Integrated Circuit For Controlling Battery Cell and Vehicle Power S...
- Publication number 20090087722
- Publication date Apr 2, 2009
- Hitachi, Ltd
- Kei Sakabe
- B60 - VEHICLES IN GENERAL
Information Patent Application
Automotive Power Supply System
- Publication number 20090085516
- Publication date Apr 2, 2009
- Hitachi, Ltd
- Akihiko EMORI
- B60 - VEHICLES IN GENERAL

Youhei KAWAHARA

Person

Patents Grantslast 30 patents

Battery state detection device, secondary battery system, program p...

Battery state detection device, secondary battery system, program p...

Secondary-battery monitoring device and prediction method of batter...

Secondary battery system

Storage battery apparatus

Battery controlling using charge state calculator and charge state...

Battery control device adapting the battery current limit by decrea...

Secondary battery module, battery information management device, ba...

Battery control circuit and battery device

Battery control circuit having multiple adjusting units

Electric storage device

Semiconductor device, battery pack, and electronic device

Electric storage cell control circuit

Battery control device and battery system

Integrated circuit for controlling battery cell and vehicle power s...

Battery control device and motor drive system

Electric storage device

Battery control circuit for reducing power consumption

Battery control device

State detection device for power supply system

Multi-series battery control system

Secondary battery module, battery information management device, ba...

Vehicle power supply device

Battery apparatus, battery control apparatus, and motor drive unit

Automotive power supply system

Status detector for power supply, power supply, and initial charact...

Battery management system for calculating charge and disharge powers

Battery apparatus, battery control apparatus, and motor drive unit

Hybrid vehicle control system and method

Storage battery managing apparatus and vehicle controlling apparatu...

Patents Applicationslast 30 patents

POWER MANAGEMENT SYSTEM, POWER MANAGEMENT DEVICE, AND POWER MANAGEM...

Battery State Detection Device, Secondary Battery System, Program P...

Battery State Detection Device, Secondary Battery System, Program P...

SECONDARY-BATTERY MONITORING DEVICE AND PREDICTION METHOD OF BATTER...

Secondary Battery System

BATTERY CONTROL DEVICE, BATTERY SYSTEM

BATTERY CONTROLLER

ELECTRIC STORAGE CELL CONTROL CIRCUIT

BATTERY CONTROL APPARATUS AND BATTERY SYSTEM

BATTERY CONTROL DEVICE AND BATTERY SYSTEM

SEMICONDUCTOR DEVICE, BATTERY PACK, AND ELECTRONIC DEVICE

Battery Control Circuit for Reducing Power Consumption

BATTERY CONTROL DEVICE AND BATTERY SYSTEM

ELECTRIC STORAGE DEVICE

BATTERY STATE ESTIMATION METHOD AND BATTERY CONTROL SYSTEM

BATTERY CONTROL CIRCUIT AND BATTERY DEVICE

SECONDARY BATTERY MODULE, BATTERY INFORMATION MANAGEMENT DEVICE, BA...

Battery Control Device and Motor Drive System

Battery Control Circuit

Electric Storage Device

Battery Apparatus, Battery Control Apparatus, and Motor Drive Unit

State Detection Device for Power Supply System

SECONDARY BATTERY MODULE, BATTERY INFORMATION MANAGEMENT DEVICE, BA...

Battery Control Device

Status Detector for Power Supply, Power Supply, and Initial Charact...

Battery Management System

Multi-Series Battery Control System

Vehicle power supply device

Integrated Circuit For Controlling Battery Cell and Vehicle Power S...

Automotive Power Supply System