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Tomiyuki Nagai
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Atsugi-Shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Voltage detection circuit
Patent number
11,549,972
Issue date
Jan 10, 2023
Mitsumi Electric Co., Ltd.
Hitoshi Tabuchi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Semiconductor integrated circuit, switching power supply, and contr...
Patent number
8,674,677
Issue date
Mar 18, 2014
Mitsumi Electric Co., Ltd.
Takehito Mishima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Reverse current preventing circuit and power source switching appar...
Patent number
8,183,715
Issue date
May 22, 2012
Mitsumi Electric Co., Ltd.
Daisuke Hanawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power supply circuit and power supply control method therein
Patent number
7,205,727
Issue date
Apr 17, 2007
Mitsumi Electric Co., Ltd.
Junji Takeshita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
VOLTAGE DETECTION CIRCUIT
Publication number
20210293859
Publication date
Sep 23, 2021
MITSUMI ELECTRIC CO., LTD.
Hitoshi TABUCHI
B60 - VEHICLES IN GENERAL
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT, SWITCHING POWER SUPPLY, AND CONTR...
Publication number
20120043952
Publication date
Feb 23, 2012
MITSUMI ELECTRIC CO., LTD.
Takehito Mishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REVERSE CURRENT PREVENTING CIRCUIT AND POWER SOURCE SWITCHING APPAR...
Publication number
20100225169
Publication date
Sep 9, 2010
MITSUMI ELECTRIC CO., LTD.
Daisuke Hanawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DC-DC CONVERTER AND SWITCHING CONTROL CIRCUIT
Publication number
20100194369
Publication date
Aug 5, 2010
Mitsumi Electric Co. Ltd.
Tomiyuki NAGAI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power supply circuit and power supply control method therein
Publication number
20050169022
Publication date
Aug 4, 2005
Junji Takeshita
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR