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Atsushi Sakurai
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Charge/discharge control circuit and battery device including the same
Patent number
10,686,323
Issue date
Jun 16, 2020
ABLIC INC.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge/discharge control circuit and battery device
Patent number
10,333,317
Issue date
Jun 25, 2019
ABLIC INC.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Booster apparatus for a direct current voltage generator
Patent number
9,882,469
Issue date
Jan 30, 2018
SII Semiconductor Corporation
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery state monitoring circuit and battery device
Patent number
9,812,743
Issue date
Nov 7, 2017
SII SEMICONDUCTOR CORPORATION
Toshiyuki Koike
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charge and discharge control circuit, charge and discharge control...
Patent number
9,647,469
Issue date
May 9, 2017
SII Semiconductor Corporation
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Cell balance device and battery system
Patent number
9,577,442
Issue date
Feb 21, 2017
SII SEMICONDUCTOR CORPORATION
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charging and discharging control circuit and battery device
Patent number
9,401,615
Issue date
Jul 26, 2016
SII SEMICONDUCTOR CORPORATION
Satoshi Abe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switch circuit, semiconductor device, and battery device
Patent number
9,374,077
Issue date
Jun 21, 2016
SII SEMICONDUCTOR CORPORATION
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge/discharge control circuit and battery device
Patent number
9,142,868
Issue date
Sep 22, 2015
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge/discharge control circuit and battery device
Patent number
9,065,281
Issue date
Jun 23, 2015
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge/discharge control circuit and battery device
Patent number
9,007,026
Issue date
Apr 14, 2015
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Cell balance device and battery system
Patent number
9,000,726
Issue date
Apr 7, 2015
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge/discharge control circuit and battery assembly
Patent number
8,896,268
Issue date
Nov 25, 2014
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Trimming circuit and semiconductor device
Patent number
8,710,902
Issue date
Apr 29, 2014
Seiko Instruments Inc.
Atsushi Sakurai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Battery state monitoring circuit and battery device
Patent number
8,503,143
Issue date
Aug 6, 2013
Seiko Instruments Inc.
Shohei Tsukamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery state monitoring circuit and battery device
Patent number
8,482,257
Issue date
Jul 9, 2013
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery state monitoring circuit and battery device
Patent number
8,410,757
Issue date
Apr 2, 2013
Seiko Instruments Inc.
Shohei Tsukamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery protection IC and battery device
Patent number
8,405,359
Issue date
Mar 26, 2013
Seiko Instruments Inc.
Yoshihisa Tange
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery state monitoring circuit and battery device
Patent number
8,384,355
Issue date
Feb 26, 2013
Seiko Instruments Inc.
Toshiyuki Koike
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor device and rechargeable power supply unit
Patent number
8,378,635
Issue date
Feb 19, 2013
Seiko Instruments Inc.
Toshiyuki Koike
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery state monitoring circuit and battery device
Patent number
8,319,476
Issue date
Nov 27, 2012
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge and discharge control circuit and battery device
Patent number
8,072,189
Issue date
Dec 6, 2011
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery state monitoring circuit and battery apparatus
Patent number
8,058,845
Issue date
Nov 15, 2011
Seiko Instruments Inc.
Yoshihisa Tange
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery protection circuit and battery device
Patent number
7,990,669
Issue date
Aug 2, 2011
Seiko Instruments Inc.
Kiyoshi Yoshikawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charging and discharging control circuit and charging type power su...
Patent number
7,928,694
Issue date
Apr 19, 2011
Seiko Instruments Inc.
Kazuaki Sano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge and discharge control circuit and rechargeable power supply...
Patent number
7,923,968
Issue date
Apr 12, 2011
Seiko Instruments Inc.
Kazuaki Sano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery state monitoring circuit and battery device
Patent number
7,791,315
Issue date
Sep 7, 2010
Seiko Instruments Inc.,
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charging and discharging control circuit and charging type power su...
Patent number
7,737,663
Issue date
Jun 15, 2010
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge/discharge protection circuit and power-supply unit
Patent number
7,719,235
Issue date
May 18, 2010
Seiko Instruments Inc.
Kazuaki Sano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery state monitoring circuit and battery device
Patent number
7,550,947
Issue date
Jun 23, 2009
Seiko Instruments Inc.
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20180183246
Publication date
Jun 28, 2018
SII Semiconductor Corporation
Atsushi SAKURAI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE INCLUDING THE SAME
Publication number
20180062410
Publication date
Mar 1, 2018
SII Semiconductor Corporation
Atsushi SAKURAI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BATTERY MONITORING SYSTEM
Publication number
20170003327
Publication date
Jan 5, 2017
SII Semiconductor Corporation
Kazuaki SANO
G01 - MEASURING TESTING
Information
Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
Publication number
20150380774
Publication date
Dec 31, 2015
SEIKO INSTRUMENTS INC.
Toshiyuki KOIKE
G01 - MEASURING TESTING
Information
Patent Application
BOOSTER APPARATUS
Publication number
20150280551
Publication date
Oct 1, 2015
SEIKO INSTRUMENTS INC.
Atsushi SAKURAI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGING AND DISCHARGING CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20150084599
Publication date
Mar 26, 2015
SEIKO INSTRUMENTS INC.
Satoshi ABE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SWITCH CIRCUIT, SEMICONDUCTOR DEVICE, AND BATTERY DEVICE
Publication number
20140232345
Publication date
Aug 21, 2014
SEIKO INSTRUMENTS INC.
Atsushi SAKURAI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGING AND DISCHARGING CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20140167702
Publication date
Jun 19, 2014
SEIKO INSTRUMENTS INC.
Atsushi SAKURAI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20130134942
Publication date
May 30, 2013
Atsushi Sakurai
G01 - MEASURING TESTING
Information
Patent Application
CELL BALANCE DEVICE AND BATTERY SYSTEM
Publication number
20130049691
Publication date
Feb 28, 2013
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
TRIMMING CIRCUIT AND SEMICONDUCTOR DEVICE
Publication number
20120299630
Publication date
Nov 29, 2012
Atsushi Sakurai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY ASSEMBLY
Publication number
20120229945
Publication date
Sep 13, 2012
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CELL BALANCE DEVICE AND BATTERY SYSTEM
Publication number
20120139493
Publication date
Jun 7, 2012
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20120056589
Publication date
Mar 8, 2012
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20120056592
Publication date
Mar 8, 2012
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20120056593
Publication date
Mar 8, 2012
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
Publication number
20110299206
Publication date
Dec 8, 2011
Shohei Tsukamoto
G01 - MEASURING TESTING
Information
Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
Publication number
20110101918
Publication date
May 5, 2011
Shohei Tsukamoto
G01 - MEASURING TESTING
Information
Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
Publication number
20110089906
Publication date
Apr 21, 2011
Atsushi Sakurai
G01 - MEASURING TESTING
Information
Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
Publication number
20110050176
Publication date
Mar 3, 2011
Toshiyuki Koike
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
Publication number
20110037432
Publication date
Feb 17, 2011
Seiko Instruments Inc.
Atsushi Sakurai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BATTERY PROTECTION IC AND BATTERY DEVICE
Publication number
20100060084
Publication date
Mar 11, 2010
SEIKO INSTRUMENTS INC.
Yoshihisa Tange
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CHARGE AND DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20090243543
Publication date
Oct 1, 2009
Muneharu Kawana
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGE AND DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE
Publication number
20090243546
Publication date
Oct 1, 2009
Atsushi Sakurai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BATTERY PROTECTION CIRCUIT AND BATTERY DEVICE
Publication number
20090213511
Publication date
Aug 27, 2009
Kiyoshi Yoshikawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
OVERHEAT PROTECTION CIRCUIT
Publication number
20090185323
Publication date
Jul 23, 2009
Kiyoshi Yoshikawa
G01 - MEASURING TESTING
Information
Patent Application
BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE
Publication number
20090179617
Publication date
Jul 16, 2009
Toshiyuki Koike
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Charge and discharge control circuit and rechargeable power supply...
Publication number
20090079395
Publication date
Mar 26, 2009
Kazuaki Sano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Battery state monitoring circuit and battery apparatus
Publication number
20090009133
Publication date
Jan 8, 2009
Yoshihisa Tange
G01 - MEASURING TESTING
Information
Patent Application
Charging and discharging control circuit and charging type power su...
Publication number
20080224664
Publication date
Sep 18, 2008
Kazuaki Sano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER