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Naoyuki Igarashi
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Battery controller
Patent number
9,952,288
Issue date
Apr 24, 2018
Hitachi Automotive Systems, Ltd.
Ryohei Nakao
G01 - MEASURING TESTING
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 state estimation system, battery control system, battery sy...
Patent number
9,537,325
Issue date
Jan 3, 2017
Hitachi Automotive Systems, Ltd.
Naoyuki Igarashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Battery Control Device
Publication number
20160097819
Publication date
Apr 7, 2016
Keiichiro OHKAWA
G01 - MEASURING TESTING
Information
Patent Application
BATTERY CONTROLLER
Publication number
20150369873
Publication date
Dec 24, 2015
Hitachi Automotive Systems, Ltd.
Ryohei NAKAO
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 CONTROLLER
Publication number
20140239914
Publication date
Aug 28, 2014
HITACHI VEHICLE ENERGY, LTD.
Naoyuki Igarashi
B60 - VEHICLES IN GENERAL
Information
Patent Application
BATTERY STATE ESTIMATION SYSTEM, BATTERY CONTROL SYSTEM, BATTERY SY...
Publication number
20140055100
Publication date
Feb 27, 2014
HITACHI VEHICLE ENERGY, LTD.
Naoyuki IGARASHI
G01 - MEASURING TESTING