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Kazuhiro Ooshita
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Atsugi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Battery protection IC chip
Patent number
7,592,778
Issue date
Sep 22, 2009
Mitsumi Electric Co., Ltd.
Kazuhiro Ooshita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery protection circuit
Patent number
7,541,777
Issue date
Jun 2, 2009
Mitsumi Electric Co., Ltd.
Itsuki Nakano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor device having positive side of power supply voltage set
Patent number
7,501,796
Issue date
Mar 10, 2009
Mitsumi Electric Co., Ltd.
Akira Ikeuchi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery protection device, battery protection system using the same...
Patent number
7,397,221
Issue date
Jul 8, 2008
Mitsemi Electric Co., Ltd.
Katsuya Sakuma
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Overcharge/overdischarge detection apparatus, overcharge/overdischa...
Patent number
7,190,148
Issue date
Mar 13, 2007
Mitsumi Electric Co., Ltd.
Kazuhiro Ooshita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Battery protection method and battery protection circuit
Publication number
20070103143
Publication date
May 10, 2007
Kazuhiro Ooshita
G01 - MEASURING TESTING
Information
Patent Application
Battery protection circuit
Publication number
20060267557
Publication date
Nov 30, 2006
Itsuki Nakano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Battery protection method and battery protection circuit
Publication number
20060267576
Publication date
Nov 30, 2006
Kazuhiro Ooshita
G01 - MEASURING TESTING
Information
Patent Application
Semiconductor device
Publication number
20060214705
Publication date
Sep 28, 2006
Akira Ikeuchi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Battery protection IC chip
Publication number
20060164041
Publication date
Jul 27, 2006
Kazuhiro Ooshita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Overcharge/overdischarge detection apparatus, overcharge/overdischa...
Publication number
20060076930
Publication date
Apr 13, 2006
Kazuhiro Ooshita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Battery protection device, battery protection system using the same...
Publication number
20050242780
Publication date
Nov 3, 2005
Katsuya Sakuma
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER