Hironori Sumitomo

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Switching power supply device
- Patent number 11,606,033
- Issue date Mar 14, 2023
- Rohm Co., Ltd.
- Shingo Hashiguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Linear power supply circuit with phase compensation circuit
- Patent number 11,586,235
- Issue date Feb 21, 2023
- Rohm Co., Ltd.
- Takeshi Nagata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power supply device including an electro-conductive cable wound aro...
- Patent number 9,563,214
- Issue date Feb 7, 2017
- Rohm Co., Ltd.
- Hironori Sumitomo
- G05 - CONTROLLING REGULATING
Information Patent Grant
Power supply device including an electro-conductive cable wound aro...
- Patent number 9,563,241
- Issue date Feb 7, 2017
- Rohm Co., Ltd.
- Hironori Sumitomo
- G05 - CONTROLLING REGULATING
Information Patent Grant
Switching regulator, motor drive device, magnetic disk storage devi...
- Patent number 8,982,498
- Issue date Mar 17, 2015
- Rohm Co., Ltd.
- Hironori Sumitomo
- G11 - INFORMATION STORAGE
Information Patent Grant
Switching power supply apparatus
- Patent number 8,581,564
- Issue date Nov 12, 2013
- Rohm Co., Ltd.
- Hironori Sumitomo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Level shift circuit and switching regulator using the same
- Patent number 8,575,986
- Issue date Nov 5, 2013
- Rohm Co., Ltd.
- Hironori Sumitomo
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
CURRENT DETECTION CIRCUIT, SWITCHING POWER SUPPLY CONTROLLER, LIGHT...
- Publication number 20250023442
- Publication date Jan 16, 2025
- Rohm Co., Ltd.
- Hironori SUMITOMO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY CONTROLLER, SWITCHING POWER SUPPLY, ELECTRONIC APPARAT...
- Publication number 20240275281
- Publication date Aug 15, 2024
- Rohm Co., Ltd.
- Hironori SUMITOMO
- B60 - VEHICLES IN GENERAL
Information Patent Application
SWITCH CONTROL CIRCUIT, VOLTAGE OUTPUT DEVICE, AND VEHICLE
- Publication number 20230198401
- Publication date Jun 22, 2023
- Rohm Co., Ltd.
- Hironori SUMITOMO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LINEAR POWER SUPPLY CIRCUIT AND VEHICLE
- Publication number 20230195152
- Publication date Jun 22, 2023
- Rohm Co., Ltd.
- Hironori Sumitomo
- G05 - CONTROLLING REGULATING
Information Patent Application
CONSTANT VOLTAGE GENERATING CIRCUIT
- Publication number 20230176603
- Publication date Jun 8, 2023
- Rohm Co., Ltd.
- Hironori Sumitomo
- G05 - CONTROLLING REGULATING
Information Patent Application
LINEAR POWER SUPPLY CIRCUIT
- Publication number 20220011799
- Publication date Jan 13, 2022
- Rohm Co., Ltd.
- Takeshi Nagata
- B60 - VEHICLES IN GENERAL
Information Patent Application
SWITCHING POWER SUPPLY DEVICE
- Publication number 20210376727
- Publication date Dec 2, 2021
- Rohm Co., Ltd.
- Shingo Hashiguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20160085284
- Publication date Mar 24, 2016
- Rohm Co., Ltd.
- Hironori Sumitomo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20160085251
- Publication date Mar 24, 2016
- Rohm Co., Ltd.
- Hironori Sumitomo
- G05 - CONTROLLING REGULATING
Information Patent Application
SWITCHING REGULATOR, MOTOR DRIVE DEVICE, MAGNETIC DISK STORAGE DEVI...
- Publication number 20140368950
- Publication date Dec 18, 2014
- Rohm Co., Ltd.
- Hironori Sumitomo
- G11 - INFORMATION STORAGE
Information Patent Application
SWITCHING POWER SUPPLY APPARATUS
- Publication number 20130038308
- Publication date Feb 14, 2013
- Rohm Co., Ltd.
- Hironori SUMITOMO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LEVEL SHIFT CIRCUIT AND SWITCHING REGULATOR USING THE SAME
- Publication number 20120075001
- Publication date Mar 29, 2012
- Rohm Co., Ltd.
- Hironori SUMITOMO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power Supply Device and Electric Appliance Therewith
- Publication number 20070279018
- Publication date Dec 6, 2007
- Rohm Co., Ltd.
- Hironori Sumitomo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Hironori Sumitomo

Person

Patents Grantslast 30 patents

Switching power supply device

Linear power supply circuit with phase compensation circuit

Power supply device including an electro-conductive cable wound aro...

Power supply device including an electro-conductive cable wound aro...

Switching regulator, motor drive device, magnetic disk storage devi...

Switching power supply apparatus

Level shift circuit and switching regulator using the same

Patents Applicationslast 30 patents

CURRENT DETECTION CIRCUIT, SWITCHING POWER SUPPLY CONTROLLER, LIGHT...

POWER SUPPLY CONTROLLER, SWITCHING POWER SUPPLY, ELECTRONIC APPARAT...

SWITCH CONTROL CIRCUIT, VOLTAGE OUTPUT DEVICE, AND VEHICLE

LINEAR POWER SUPPLY CIRCUIT AND VEHICLE

CONSTANT VOLTAGE GENERATING CIRCUIT

LINEAR POWER SUPPLY CIRCUIT

SWITCHING POWER SUPPLY DEVICE

POWER SUPPLY DEVICE

POWER SUPPLY DEVICE

SWITCHING REGULATOR, MOTOR DRIVE DEVICE, MAGNETIC DISK STORAGE DEVI...

SWITCHING POWER SUPPLY APPARATUS

LEVEL SHIFT CIRCUIT AND SWITCHING REGULATOR USING THE SAME

Power Supply Device and Electric Appliance Therewith