Shun Fukushima

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Control circuit and power supply circuit of DC/DC converter, and el...
- Patent number 12,149,164
- Issue date Nov 19, 2024
- Rohm Co., Ltd.
- Tomohisa Shinozaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching circuit, DC/DC converter, and control circuit thereof
- Patent number 12,015,349
- Issue date Jun 18, 2024
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device and memory abnormality determination system
- Patent number 11,527,297
- Issue date Dec 13, 2022
- Rohm Co., Ltd.
- Shun Fukushima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Switching power supply device
- Patent number 11,482,933
- Issue date Oct 25, 2022
- Rohm Co., Ltd.
- Yosuke Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply control device to discharge an output voltage at a tim...
- Patent number 11,463,003
- Issue date Oct 4, 2022
- Rohm Co., Ltd.
- Yosuke Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply device
- Patent number 11,368,093
- Issue date Jun 21, 2022
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter
- Patent number 11,196,343
- Issue date Dec 7, 2021
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device
- Patent number 11,050,348
- Issue date Jun 29, 2021
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step-up/down DC-DC converter
- Patent number 10,965,206
- Issue date Mar 30, 2021
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Clock generation circuit, switching power supply device, and semico...
- Patent number 10,910,026
- Issue date Feb 2, 2021
- Rohm Co., Ltd.
- Takehiro Yoshida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
DC-DC converter operable to perform current-mode control output fee...
- Patent number 10,892,681
- Issue date Jan 12, 2021
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply device and semiconductor device
- Patent number 10,879,811
- Issue date Dec 29, 2020
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driver circuit and switching regulator
- Patent number 10,651,846
- Issue date May 12, 2020
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Clock generation circuit, switching power supply device, and semico...
- Patent number 10,643,678
- Issue date May 5, 2020
- Rohm Co., Ltd.
- Takehiro Yoshida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Oscillator
- Patent number 10,594,305
- Issue date Mar 17, 2020
- Rohm Co., Ltd.
- Shun Fukushima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase compensation circuit and DC/DC converter using the same
- Patent number 10,320,292
- Issue date Jun 11, 2019
- Rohm Co., Ltd.
- Shun Fukushima
- G05 - CONTROLLING REGULATING
Information Patent Grant
DC/DC converter, control circuit and control method thereof, and el...
- Patent number 9,685,858
- Issue date Jun 20, 2017
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER SUPPLY CONTROLLER AND SWITCHING POWER SUPPLY
- Publication number 20250023451
- Publication date Jan 16, 2025
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT
- Publication number 20240146244
- Publication date May 2, 2024
- Rohm Co., Ltd.
- Shun Fukushima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DC/DC Converter Control Circuit, Power Supply Circuit and Electroni...
- Publication number 20240146193
- Publication date May 2, 2024
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING CIRCUIT, DC/DC CONVERTER, AND CONTROL CIRCUIT OF DC/DC CO...
- Publication number 20230130933
- Publication date Apr 27, 2023
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING CIRCUIT, DC/DC CONVERTER, AND CONTROL CIRCUIT THEREOF
- Publication number 20230129526
- Publication date Apr 27, 2023
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT AND POWER SUPPLY CIRCUIT OF DC/DC CONVERTER, AND EL...
- Publication number 20220407409
- Publication date Dec 22, 2022
- Tomohisa Shinozaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT OF BOOST DC-DC CONVERTER, POWER SUPPLY CIRCUIT, AND...
- Publication number 20220407419
- Publication date Dec 22, 2022
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT OF DC/DC CONVERTER, POWER SUPPLY CIRCUIT, AND ELECT...
- Publication number 20220393593
- Publication date Dec 8, 2022
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20220302822
- Publication date Sep 22, 2022
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT AND CONTROL METHOD OF DC/DC CONVERTER, POWER MANAGE...
- Publication number 20220239228
- Publication date Jul 28, 2022
- ROHM CO., LTD.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY DEVICE
- Publication number 20210257913
- Publication date Aug 19, 2021
- Rohm Co., Ltd.
- Yosuke FUKUMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEMICONDUCTOR DEVICE AND MEMORY ABNORMALITY DETERMINATION SYSTEM
- Publication number 20210158884
- Publication date May 27, 2021
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SWITCHING POWER SUPPLY DEVICE
- Publication number 20210091671
- Publication date Mar 25, 2021
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC CONVERTER
- Publication number 20210036616
- Publication date Feb 4, 2021
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY CONTROL DEVICE
- Publication number 20210013804
- Publication date Jan 14, 2021
- Rohm Co., Ltd.
- Yosuke FUKUMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CLOCK GENERATION CIRCUIT, SWITCHING POWER SUPPLY DEVICE, AND SEMICO...
- Publication number 20200227101
- Publication date Jul 16, 2020
- Rohm Co., Ltd.
- Takehiro YOSHIDA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20200161973
- Publication date May 21, 2020
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY DEVICE AND SEMICONDUCTOR DEVICE
- Publication number 20190393796
- Publication date Dec 26, 2019
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CLOCK GENERATION CIRCUIT, SWITCHING POWER SUPPLY DEVICE, AND SEMICO...
- Publication number 20190385652
- Publication date Dec 19, 2019
- Rohm Co., Ltd.
- Takehiro YOSHIDA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DRIVER CIRCUIT AND SWITCHING REGULATOR
- Publication number 20190238129
- Publication date Aug 1, 2019
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DC-DC CONVERTER
- Publication number 20180262110
- Publication date Sep 13, 2018
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OSCILLATOR
- Publication number 20180262183
- Publication date Sep 13, 2018
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
STEP-UP/DOWN DC-DC CONVERTER
- Publication number 20180262098
- Publication date Sep 13, 2018
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Phase Compensation Circuit and DC/DC Converter Using the Same
- Publication number 20180183338
- Publication date Jun 28, 2018
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- G05 - CONTROLLING REGULATING
Information Patent Application
DC/DC CONVERTER, CONTROL CIRCUIT AND CONTROL METHOD THEREOF, AND EL...
- Publication number 20150326123
- Publication date Nov 12, 2015
- Rohm Co., Ltd.
- Shun FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Shun Fukushima

Person

Patents Grantslast 30 patents

Control circuit and power supply circuit of DC/DC converter, and el...

Switching circuit, DC/DC converter, and control circuit thereof

Semiconductor device and memory abnormality determination system

Switching power supply device

Power supply control device to discharge an output voltage at a tim...

Switching power supply device

DC-DC converter

Semiconductor device

Step-up/down DC-DC converter

Clock generation circuit, switching power supply device, and semico...

DC-DC converter operable to perform current-mode control output fee...

Switching power supply device and semiconductor device

Driver circuit and switching regulator

Clock generation circuit, switching power supply device, and semico...

Oscillator

Phase compensation circuit and DC/DC converter using the same

DC/DC converter, control circuit and control method thereof, and el...

Patents Applicationslast 30 patents

POWER SUPPLY CONTROLLER AND SWITCHING POWER SUPPLY

SEMICONDUCTOR INTEGRATED CIRCUIT

DC/DC Converter Control Circuit, Power Supply Circuit and Electroni...

SWITCHING CIRCUIT, DC/DC CONVERTER, AND CONTROL CIRCUIT OF DC/DC CO...

SWITCHING CIRCUIT, DC/DC CONVERTER, AND CONTROL CIRCUIT THEREOF

CONTROL CIRCUIT AND POWER SUPPLY CIRCUIT OF DC/DC CONVERTER, AND EL...

CONTROL CIRCUIT OF BOOST DC-DC CONVERTER, POWER SUPPLY CIRCUIT, AND...

CONTROL CIRCUIT OF DC/DC CONVERTER, POWER SUPPLY CIRCUIT, AND ELECT...

POWER SUPPLY DEVICE

CONTROL CIRCUIT AND CONTROL METHOD OF DC/DC CONVERTER, POWER MANAGE...

SWITCHING POWER SUPPLY DEVICE

SEMICONDUCTOR DEVICE AND MEMORY ABNORMALITY DETERMINATION SYSTEM

SWITCHING POWER SUPPLY DEVICE

DC-DC CONVERTER

POWER SUPPLY CONTROL DEVICE

CLOCK GENERATION CIRCUIT, SWITCHING POWER SUPPLY DEVICE, AND SEMICO...

SEMICONDUCTOR DEVICE

SWITCHING POWER SUPPLY DEVICE AND SEMICONDUCTOR DEVICE

CLOCK GENERATION CIRCUIT, SWITCHING POWER SUPPLY DEVICE, AND SEMICO...

DRIVER CIRCUIT AND SWITCHING REGULATOR

DC-DC CONVERTER

OSCILLATOR

STEP-UP/DOWN DC-DC CONVERTER

Phase Compensation Circuit and DC/DC Converter Using the Same

DC/DC CONVERTER, CONTROL CIRCUIT AND CONTROL METHOD THEREOF, AND EL...