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Yukihiro Terada
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Charge and discharge circuit of secondary battery and battery pack
Patent number
8,610,405
Issue date
Dec 17, 2013
Mitsumi Electric Co., Ltd.
Kazuo Yamazaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Bidirectional converter and electronic device
Patent number
8,098,056
Issue date
Jan 17, 2012
Mitsumi Electric Co., Ltd
Kazuo Yamazaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC-DC converter and power supply apparatus
Patent number
7,782,028
Issue date
Aug 24, 2010
Mitsumi Electric Co., Ltd
Junji Takeshita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery protecting apparatus and battery protecting circuit
Patent number
7,598,708
Issue date
Oct 6, 2009
Mitsumi Electric Co., Ltd.
Daisuke Kimura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Thermal head drive circuit and printer using the same
Patent number
7,580,052
Issue date
Aug 25, 2009
Mitsumi Electric Co., Ltd.
Tomomitsu Oohara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Battery pack with charge control function
Patent number
7,215,096
Issue date
May 8, 2007
Mitsumi Electric Co., Ltd
Seiji Miura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrostatic discharge semiconductor protection circuit of reduced...
Patent number
6,952,037
Issue date
Oct 4, 2005
Mitsumi Electric Co., Ltd.
Yasuhisa Ishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithic IC package
Patent number
6,797,993
Issue date
Sep 28, 2004
Mitsumi Electric Co., Ltd.
Yukihiro Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Secondary battery protection circuit having a clamping circuit incl...
Patent number
6,771,049
Issue date
Aug 3, 2004
Mitsumi Electric Co., Ltd.
Osamu Kawagoe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor wafer
Patent number
6,703,251
Issue date
Mar 9, 2004
Mitsumi Electric Co., Ltd.
Yukihiro Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Static protection device
Patent number
6,538,290
Issue date
Mar 25, 2003
Mitsumi Electric Co., Ltd.
Yasuhisa Ishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Secondary battery protection circuit capable of reducing time for f...
Patent number
6,518,729
Issue date
Feb 11, 2003
Mitsumi Electric Co., Ltd.
Yoshitaka Onishi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor wafer with scribe lines having inspection pads formed...
Patent number
6,492,666
Issue date
Dec 10, 2002
Mitsumi Electric Co., Ltd.
Yukihiro Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Head amplifier circuit
Patent number
6,411,455
Issue date
Jun 25, 2002
Mitsumi Electric Co., Ltd.
Yukihiro Terada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of protecting a chargeable electric cell
Patent number
6,340,880
Issue date
Jan 22, 2002
Mitsumi Electric Co., Ltd.
Yasuhisa Higashijima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Low power consumption circuit and secondary battery cell protection...
Patent number
6,320,355
Issue date
Nov 20, 2001
Mitsumi Electric Co., Ltd.
Yukihiro Terada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Secondary battery cell protection circuit
Patent number
6,310,463
Issue date
Oct 30, 2001
Mitsumi Electric Co., Ltd.
Hiroshi Nagaoka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Secondary battery cell protection circuit
Patent number
6,297,619
Issue date
Oct 2, 2001
Mitsumi Electric Co., Ltd.
Yukihiro Terada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Secondary battery protection circuit
Patent number
6,285,165
Issue date
Sep 4, 2001
Mitsumi Electric Co., Ltd.
Yukihiro Terada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor driving circuit
Patent number
6,104,150
Issue date
Aug 15, 2000
Mitsumi Electric Co., Ltd.
Tomomitsu Oohara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Variable gain amplification circuit having a circuit for controllin...
Patent number
5,999,051
Issue date
Dec 7, 1999
Mitsumi Electric Co., Ltd.
Yukihiro Terada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Differential amplifying circuit
Patent number
5,907,260
Issue date
May 25, 1999
Mitsumi Electric Co., Ltd.
Masaru Takeuchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Headphone stereo control circuit
Patent number
5,850,459
Issue date
Dec 15, 1998
Mitsumi Electric Co., Ltd.
Hideaki Adachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Amplifying circuit in which variable impedance circuit is used in n...
Patent number
5,451,904
Issue date
Sep 19, 1995
Mitsumi Electric Co., Ltd.
Yukihiro Terada
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
CHARGING POWER SOURCE APPARATUS
Publication number
20110248670
Publication date
Oct 13, 2011
Kazuo Yamazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Charge and Discharge Circuit of Secondary Battery and Battery Pack
Publication number
20110074356
Publication date
Mar 31, 2011
Mitsumi Electric Co. Ltd.
Kazuo Yamazaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BIDIRECTIONAL CONVERTER AND ELECTRONIC DEVICE
Publication number
20100314945
Publication date
Dec 16, 2010
MITSUMI ELECTRIC CO., LTD.
Kazuo Yamazaki
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
ELECTRONIC SYSTEM, ELECTRONIC DEVICE AND POWER SUPPLY DEVICE
Publication number
20100308778
Publication date
Dec 9, 2010
Kazuo Yamazaki
G05 - CONTROLLING REGULATING
Information
Patent Application
Secondary battery charging circuit
Publication number
20100188051
Publication date
Jul 29, 2010
Mitsumi Electric Co. Ltd.
Kazuo Yamazaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER SOURCE APPARATUS
Publication number
20100127676
Publication date
May 27, 2010
Mitsumi Electric Co. Ltd.
Kazuo Yamazaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGING SYSTEM, ELECTRONIC CIRCUIT DEVICE INCLUDING SECONDARY CELL...
Publication number
20100013442
Publication date
Jan 21, 2010
MITSUMI ELECTRIC CO., LTD.
Kazuo Yamazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
THERMAL HEAD DRIVE CIRCUIT AND PRINTER USING THE SAME
Publication number
20080204540
Publication date
Aug 28, 2008
Tomomitsu OOHARA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
THERMAL HEAD DRIVING CIRCUIT
Publication number
20080180511
Publication date
Jul 31, 2008
Tomomitsu Oohara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DC-DC converter and power supply apparatus
Publication number
20080013345
Publication date
Jan 17, 2008
Mitsumi Electric Co. Ltd.
Junji Takeshita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Battery protecting apparatus and battery protecting circuit
Publication number
20070096695
Publication date
May 3, 2007
Daisuke Kimura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Information
Patent Application
Battery pack with charge control function
Publication number
20040189259
Publication date
Sep 30, 2004
Mitsumi Electric Co. Ltd.
Seiji Miura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Semiconductor device
Publication number
20040124471
Publication date
Jul 1, 2004
Yasuhisa Ishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Secondary battery protection circuit having a clamping circuit
Publication number
20030146738
Publication date
Aug 7, 2003
Mitsumi Electric Co. Ltd.
Osamu Kawagoe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Semiconductor wafer
Publication number
20030030129
Publication date
Feb 13, 2003
Yukihiro Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Monolithic IC package
Publication number
20030011061
Publication date
Jan 16, 2003
Yukihiro Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Secondary battery protection circuit capable of reducing time for f...
Publication number
20020145406
Publication date
Oct 10, 2002
MITSUMI ELECTRIC CO., LTD.
Yoshitaka Onishi
G01 - MEASURING TESTING
Information
Patent Application
Semiconductor wafer
Publication number
20020084512
Publication date
Jul 4, 2002
Yukihiro Terada
H01 - BASIC ELECTRIC ELEMENTS