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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Controlling an output transistor of a switching power supply
Patent number
12,301,112
Issue date
May 13, 2025
Rohm Co., Ltd.
Shidong Guan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching power supply including a logic circuit to control a disch...
Patent number
11,942,863
Issue date
Mar 26, 2024
Rohm Co., Ltd.
Shidong Guan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuit for switching power supply and switching power supply device
Patent number
11,601,122
Issue date
Mar 7, 2023
Rohm Co., Ltd.
Shidong Guan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC/DC converter
Patent number
10,158,289
Issue date
Dec 18, 2018
Rohm Co., Ltd.
Shidong Guan
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
Patents Applications
last 30 patents
Information
Patent Application
POWER SUPPLY CONTROL DEVICE
Publication number
20240235377
Publication date
Jul 11, 2024
Rohm Co., Ltd.
Shidong Guan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SWITCHING POWER SUPPLY
Publication number
20240195298
Publication date
Jun 13, 2024
Rohm Co., Ltd.
Shidong Guan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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 Switching Power Supply and Switching Power Supply Device
Publication number
20220209764
Publication date
Jun 30, 2022
Rohm Co., Ltd.
Shidong Guan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SWITCHING POWER SUPPLY
Publication number
20210399637
Publication date
Dec 23, 2021
Shidong GUAN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DC/DC CONVERTER
Publication number
20180131275
Publication date
May 10, 2018
Rohm Co., Ltd.
Shidong Guan
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