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Takatsugu Wachi
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Circuit for a switching power supply
Patent number
10,892,684
Issue date
Jan 12, 2021
Rohm Co., Ltd.
Takatsugu Wachi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC/DC converter and switching power supply having overcurrent prote...
Patent number
10,075,073
Issue date
Sep 11, 2018
Rohm Co., Ltd.
Shidong Guan
G05 - CONTROLLING REGULATING
Information
Patent Grant
Step-up switching power supply device with current-limiting transistor
Patent number
8,653,800
Issue date
Feb 18, 2014
Rohm Co., Ltd.
Takatsugu Wachi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power supply device with gain changing error amplifier
Patent number
8,330,440
Issue date
Dec 11, 2012
Rohm Co., Ltd.
Takatsugu Wachi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor device, temperature sensor, and electronic apparatus...
Patent number
7,176,701
Issue date
Feb 13, 2007
Rohm Co., Ltd.
Takatsugu Wachi
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Power Supply Control Device
Publication number
20220239215
Publication date
Jul 28, 2022
Rohm Co., Ltd.
Takatsugu Wachi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CIRCUIT FOR A SWITCHING POWER SUPPLY
Publication number
20200169174
Publication date
May 28, 2020
Rohm Co., Ltd.
Takatsugu Wachi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DC/DC CONVERTER AND SWITCHING POWER SUPPLY
Publication number
20170070149
Publication date
Mar 9, 2017
Rohm Co., Ltd.
Shidong Guan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
STEP-UP SWITCHING POWER SUPPLY DEVICE
Publication number
20100308655
Publication date
Dec 9, 2010
ROHM CO., LTD.
Takatsugu Wachi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
POWER SUPPLY DEVICE
Publication number
20100176776
Publication date
Jul 15, 2010
Rohm Co., Ltd.
Takatsugu Wachi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Semiconductor device, temperature sensor, and electronic apparatus...
Publication number
20050104151
Publication date
May 19, 2005
Takatsugu Wachi
H03 - BASIC ELECTRONIC CIRCUITRY