Keiichiro Ohkawa

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery control apparatus
- Patent number 12,149,114
- Issue date Nov 19, 2024
- VEHICLE ENERGY JAPAN INC.
- Ryohhei Nakao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery status estimation apparatus and battery control apparatus
- Patent number 12,117,497
- Issue date Oct 15, 2024
- Vehicle Energy Japan Inc.
- Yosuke Wada
- G01 - MEASURING TESTING
Information Patent Grant
Battery management apparatus, battery management method, and batter...
- Patent number 12,117,499
- Issue date Oct 15, 2024
- VEHICLE ENERGY JAPAN INC.
- Fanny Matthey
- G01 - MEASURING TESTING
Information Patent Grant
Battery control device
- Patent number 12,038,483
- Issue date Jul 16, 2024
- Vehicle Energy Japan Inc.
- Miyuki Akatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Storage battery control device
- Patent number 11,532,841
- Issue date Dec 20, 2022
- Vehicle Energy Japan Inc.
- Shin Yamauchi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cell control device, power system
- Patent number 11,515,579
- Issue date Nov 29, 2022
- VEHICLE ENERGY JAPAN, INC.
- Kei Sakabe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery energy storage system, battery management system, and contr...
- Patent number 11,374,425
- Issue date Jun 28, 2022
- Vehicle Energy Japan Inc.
- Fanny Matthey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery control device
- Patent number 11,247,581
- Issue date Feb 15, 2022
- VEHICLE ENERGY JAPAN, INC.
- Kei Sakabe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Storage battery control device
- Patent number 11,226,376
- Issue date Jan 18, 2022
- Vehicle Energy Japan Inc.
- Shin Yamauchi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control device and electric motor vehicle system
- Patent number 11,124,072
- Issue date Sep 21, 2021
- Vehicle Energy Japan Inc.
- Ryohhei Nakao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control device, battery system, and vehicle
- Patent number 11,084,385
- Issue date Aug 10, 2021
- Vehicle Energy Japan Inc.
- Daiki Komatsu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control device
- Patent number 10,955,479
- Issue date Mar 23, 2021
- Vehicle Energy Japan Inc.
- Ryohhei Nakao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Storage battery control device
- Patent number 10,879,570
- Issue date Dec 29, 2020
- Vehicle Energy Japan Inc.
- Shin Yamauchi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery state estimation device, battery control device, battery sy...
- Patent number 10,845,417
- Issue date Nov 24, 2020
- VEHICLE ENERGY JAPAN, INC.
- Yohei Nakamura
- G01 - MEASURING TESTING
Information Patent Grant
Battery control device
- Patent number 10,840,722
- Issue date Nov 17, 2020
- VEHICLE ENERGY JAPAN, INC.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery management device and system, and hybrid vehicle control sy...
- Patent number 10,818,983
- Issue date Oct 27, 2020
- VEHICLE ENERGY JAPAN, INC.
- Masahiro Yonemoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery management system, battery system and hybrid vehicle contro...
- Patent number 10,807,494
- Issue date Oct 20, 2020
- Vehicle Energy Japan Inc.
- Masahiro Yonemoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control device
- Patent number 10,804,722
- Issue date Oct 13, 2020
- VEHICLE ENERGY JAPAN, INC.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
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
Battery control device
- Patent number 10,680,453
- Issue date Jun 9, 2020
- Hitachi Automotive Systems, Ltd.
- Kei Sakabe
- 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
Battery control device and vehicle system
- Patent number 10,589,732
- Issue date Mar 17, 2020
- VEHICLE ENERGY JAPAN INC.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery controller and vehicle system
- Patent number 10,266,063
- Issue date Apr 23, 2019
- Hitachi Automotive Systems, Ltd.
- Keiichiro Ohkawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control device for calculating battery deterioration based...
- Patent number 10,209,317
- Issue date Feb 19, 2019
- Hitachi Automotive Systems, Ltd.
- Keiichiro Ohkawa
- 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
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
- Patent number 9,685,807
- Issue date Jun 20, 2017
- Hitachi Automotive Systems, Ltd.
- Ryouhei Nakao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery control apparatus
- Patent number 9,680,320
- Issue date Jun 13, 2017
- Hitachi Automotive Systems, Ltd.
- Kenichiro Tsuru
- B60 - VEHICLES IN GENERAL
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

Patents Applicationslast 30 patents

Information Patent Application
BATTERY CONTROL APPARATUS AND BATTERY SYSTEM
- Publication number 20230039183
- Publication date Feb 9, 2023
- Vehicle Energy Japan Inc.
- Keiichiro OHKAWA
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY MANAGEMENT APPARATUS, BATTERY MANAGEMENT METHOD, AND BATTER...
- Publication number 20220163591
- Publication date May 26, 2022
- Vehicle Energy Japan Inc.
- Fanny MATTHEY
- G01 - MEASURING TESTING
Information Patent Application
BATTERY CONTROL APPARATUS
- Publication number 20220131400
- Publication date Apr 28, 2022
- Vehicle Energy Japan Inc.
- Ryohhei NAKAO
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY CONTROL DEVICE
- Publication number 20210341541
- Publication date Nov 4, 2021
- Vehicle Energy Japan Inc.
- Miyuki AKATSU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery Status Estimation Apparatus and Battery Control Apparatus
- Publication number 20210311127
- Publication date Oct 7, 2021
- Vehicle Energy Japan Inc.
- Yosuke WADA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Storage Battery Control Device
- Publication number 20210119272
- Publication date Apr 22, 2021
- Vehicle Energy Japan Inc.
- Shin YAMAUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY CONTROL DEVICE
- Publication number 20200280204
- Publication date Sep 3, 2020
- VEHICLE ENERGY JAPAN, INC.
- Kei SAKABE
- B60 - VEHICLES IN GENERAL
Information Patent Application
Battery Control Device
- Publication number 20190288344
- Publication date Sep 19, 2019
- Hitachi Automotive Systems, Ltd.
- Ryohhei NAKAO
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY CONTROL DEVICE, BATTERY SYSTEM, AND VEHICLE
- Publication number 20190242948
- Publication date Aug 8, 2019
- Hitachi Automotive Systems, Ltd.
- Daiki KOMATSU
- B60 - VEHICLES IN GENERAL
Information Patent Application
Battery Energy Storage System, Battery Management System, and Contr...
- Publication number 20190207406
- Publication date Jul 4, 2019
- Hitachi Automotive Systems, Ltd.
- Fanny MATTHEY
- G01 - MEASURING TESTING
Information Patent Application
BATTERY CONTROL DEVICE
- Publication number 20190067954
- Publication date Feb 28, 2019
- Hitachi Automotive Systems, Ltd.
- Keiichiro OHKAWA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Battery Management System, Battery System and Hybrid Vehicle Contro...
- Publication number 20190023132
- Publication date Jan 24, 2019
- Hitachi Automotive Systems, Ltd.
- Masahiro YONEMOTO
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY STATE ESTIMATION DEVICE, BATTERY CONTROL DEVICE, BATTERY SY...
- Publication number 20190004115
- Publication date Jan 3, 2019
- Hitachi Automotive Systems, Ltd.
- Yohei NAKAMURA
- G01 - MEASURING TESTING
Information Patent Application
CELL CONTROL DEVICE, POWER SYSTEM
- Publication number 20180375176
- Publication date Dec 27, 2018
- Hitachi Automotive Systems, Ltd.
- Kei SAKABE
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY MANAGEMENT DEVICE, BATTERY SYSTEM, AND HYBRID VEHICLE CONTR...
- Publication number 20180358663
- Publication date Dec 13, 2018
- Hitachi Automotive Systems, Ltd.
- Masahiro YONEMOTO
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY CONTROL DEVICE
- Publication number 20180226824
- Publication date Aug 9, 2018
- Hitachi Automotive Systems, Ltd.
- Kei SAKABE
- B60 - VEHICLES IN GENERAL
Information Patent Application
Storage Battery Control Device
- Publication number 20180210036
- Publication date Jul 26, 2018
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Shin YAMAUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Storage Battery Control Device
- Publication number 20180198175
- Publication date Jul 12, 2018
- Hitachi Automotive Systems, Ltd.
- Shin YAMAUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY CONTROL DEVICE AND ELECTRIC MOTOR VEHICLE SYSTEM
- Publication number 20180074129
- Publication date Mar 15, 2018
- Hitachi Automotive Systems, Ltd.
- Ryohhei NAKAO
- G01 - MEASURING TESTING
Information Patent Application
BATTERY CONTROL DEVICE AND VEHICLE SYSTEM
- Publication number 20180050681
- Publication date Feb 22, 2018
- Hitachi Automotive Systems, Ltd.
- Keiichiro OHKAWA
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY CONTROLLER AND VEHICLE SYSTEM
- Publication number 20180037130
- Publication date Feb 8, 2018
- Hitachi Automotive Systems, Ltd.
- Keiichiro OHKAWA
- B60 - VEHICLES IN GENERAL
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
- Publication number 20160097819
- Publication date Apr 7, 2016
- Keiichiro OHKAWA
- G01 - MEASURING TESTING
Information Patent Application
BATTERY CONTROL DEVICE
- Publication number 20150357852
- Publication date Dec 10, 2015
- Hitachi Automotive Systems, Ltd.
- Ryouhei NAKAO
- B60 - VEHICLES IN GENERAL
Information Patent Application
Device for Assessing Extent of Degradation of Secondary Battery
- Publication number 20150346285
- Publication date Dec 3, 2015
- Naoyuki IGARASHI
- G01 - MEASURING TESTING
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 CONTROL DEVICE
- Publication number 20150108991
- Publication date Apr 23, 2015
- Hitachi Automotive Systems, Ltd.
- Yoshinori Aoshima
- G01 - MEASURING TESTING

Keiichiro Ohkawa

Person

Patents Grantslast 30 patents

Battery control apparatus

Battery status estimation apparatus and battery control apparatus

Battery management apparatus, battery management method, and batter...

Battery control device

Storage battery control device

Cell control device, power system

Battery energy storage system, battery management system, and contr...

Battery control device

Storage battery control device

Battery control device and electric motor vehicle system

Battery control device, battery system, and vehicle

Battery control device

Storage battery control device

Battery state estimation device, battery control device, battery sy...

Battery control device

Battery management device and system, and hybrid vehicle control sy...

Battery management system, battery system and hybrid vehicle contro...

Battery control device

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

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

Battery control device

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

Battery control device and vehicle system

Battery controller and vehicle system

Battery control device for calculating battery deterioration based...

Secondary battery system

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

Battery control device

Battery control apparatus

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

Patents Applicationslast 30 patents

BATTERY CONTROL APPARATUS AND BATTERY SYSTEM

BATTERY MANAGEMENT APPARATUS, BATTERY MANAGEMENT METHOD, AND BATTER...

BATTERY CONTROL APPARATUS

BATTERY CONTROL DEVICE

Battery Status Estimation Apparatus and Battery Control Apparatus

Storage Battery Control Device

BATTERY CONTROL DEVICE

Battery Control Device

BATTERY CONTROL DEVICE, BATTERY SYSTEM, AND VEHICLE

Battery Energy Storage System, Battery Management System, and Contr...

BATTERY CONTROL DEVICE

Battery Management System, Battery System and Hybrid Vehicle Contro...

BATTERY STATE ESTIMATION DEVICE, BATTERY CONTROL DEVICE, BATTERY SY...

CELL CONTROL DEVICE, POWER SYSTEM

BATTERY MANAGEMENT DEVICE, BATTERY SYSTEM, AND HYBRID VEHICLE CONTR...

BATTERY CONTROL DEVICE

Storage Battery Control Device

Storage Battery Control Device

BATTERY CONTROL DEVICE AND ELECTRIC MOTOR VEHICLE SYSTEM

BATTERY CONTROL DEVICE AND VEHICLE SYSTEM

BATTERY CONTROLLER AND VEHICLE SYSTEM

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 CONTROL DEVICE

Device for Assessing Extent of Degradation of Secondary Battery

BATTERY CONTROL DEVICE, BATTERY SYSTEM

BATTERY CONTROL DEVICE