Tsutomu Ishino

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Control circuit of boost DC-DC converter, power supply circuit, and...
- Patent number 12,166,419
- Issue date Dec 10, 2024
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit of DC/DC converter, power supply circuit, and elect...
- Patent number 12,081,125
- Issue date Sep 3, 2024
- Rohm Co., Ltd.
- Shun Fukushima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current detection circuit, synchronous rectification type DC/DC buc...
- Patent number 12,057,775
- Issue date Aug 6, 2024
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Buck DC/DC converter, controller thereof and controlling method the...
- Patent number 12,003,181
- Issue date Jun 4, 2024
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive circuit of high-side transistor, switching circuit, and contr...
- Patent number 11,936,298
- Issue date Mar 19, 2024
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device and method for controlling slew rate
- Patent number 10,389,339
- Issue date Aug 20, 2019
- Rohm Co., Ltd.
- Tetsuro Hashimoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control circuit and control method for switching power supply, and...
- Patent number 8,912,777
- Issue date Dec 16, 2014
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging circuit
- Patent number 8,786,247
- Issue date Jul 22, 2014
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit for switching power supply
- Patent number 8,716,995
- Issue date May 6, 2014
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step-down type switching regulator
- Patent number 7,888,926
- Issue date Feb 15, 2011
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching regulator
- Patent number 7,868,598
- Issue date Jan 11, 2011
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply unit and portable apparatus using the same
- Patent number 7,759,917
- Issue date Jul 20, 2010
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step-down type switching regulator
- Patent number 7,576,529
- Issue date Aug 18, 2009
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply unit and portable apparatus using the same
- Patent number 7,397,151
- Issue date Jul 8, 2008
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

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
CURRENT DETECTION CIRCUIT, SYNCHRONOUS RECTIFICATION TYPE DC/DC BUC...
- Publication number 20220302841
- Publication date Sep 22, 2022
- ROHM CO., LTD.
- Tsutomu ISHINO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVE CIRCUIT OF HIGH-SIDE TRANSISTOR, SWITCHING CIRCUIT, AND CONTR...
- Publication number 20220302839
- Publication date Sep 22, 2022
- ROHM CO., LTD.
- Tsutomu ISHINO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BUCK DC/DC CONVERTER, CONTROLLER THEREOF AND CONTROLLING METHOD THE...
- Publication number 20220302842
- Publication date Sep 22, 2022
- ROHM CO., LTD.
- Tsutomu ISHINO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYNCHRONOUS RECTIFICATION DC/DC CONVERTER
- Publication number 20170346402
- Publication date Nov 30, 2017
- Rohm Co., Ltd.
- Tsutomu ISHINO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DEVICE AND METHOD FOR CONTROLLING SLEW RATE
- Publication number 20170317667
- Publication date Nov 2, 2017
- Rohm Co., Ltd.
- Tetsuro HASHIMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DC/DC CONVERTER
- Publication number 20150015219
- Publication date Jan 15, 2015
- Rohm Co., Ltd.
- Tsutomu ISHINO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCHING POWER SUPPLY, AND...
- Publication number 20130043851
- Publication date Feb 21, 2013
- Rohm Co., Ltd.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING CIRCUIT
- Publication number 20120235623
- Publication date Sep 20, 2012
- Rohm Co., Ltd.
- Tsutomu ISHINO
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CONTROL CIRCUIT FOR SWITCHING POWER SUPPLY
- Publication number 20120126768
- Publication date May 24, 2012
- Rohm Co., Ltd.
- Tsutomu Ishino
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
STEP-DOWN TYPE SWITCHING REGULATOR
- Publication number 20090273329
- Publication date Nov 5, 2009
- Rohm Co., Ltd.
- Tsutomu Ishino
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
STEP-DOWN TYPE SWITCHING REGULATOR, CONTROL CIRCUIT THEREOF, AND EL...
- Publication number 20090033299
- Publication date Feb 5, 2009
- Rohm Co., Ltd.
- Tsutomu Ishino
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Switching Regulator
- Publication number 20090021232
- Publication date Jan 22, 2009
- Rohm Co., Ltd.
- Tsutomu ISHINO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Supply Unit and Portable Apparatus Using the Same
- Publication number 20080284402
- Publication date Nov 20, 2008
- Rohm Co., Ltd.
- Tsutomu ISHINO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Semiconductor Device, Power Supply Apparatus Using Same, and Electr...
- Publication number 20070262448
- Publication date Nov 15, 2007
- Tsutomu Ishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circuit Protection Method, Protection Circuit and Power Supply Devi...
- Publication number 20070206338
- Publication date Sep 6, 2007
- Tsutomu Ishino
- G05 - CONTROLLING REGULATING
Information Patent Application
Power supply unit and portable apparatus using the same
- Publication number 20050189931
- Publication date Sep 1, 2005
- ROHM CO., LTD.
- Tsutomu Ishino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Tsutomu Ishino

Person

Patents Grantslast 30 patents

Control circuit of boost DC-DC converter, power supply circuit, and...

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

Current detection circuit, synchronous rectification type DC/DC buc...

Buck DC/DC converter, controller thereof and controlling method the...

Drive circuit of high-side transistor, switching circuit, and contr...

Device and method for controlling slew rate

Control circuit and control method for switching power supply, and...

Charging circuit

Control circuit for switching power supply

Step-down type switching regulator

Switching regulator

Power supply unit and portable apparatus using the same

Step-down type switching regulator

Power supply unit and portable apparatus using the same

Patents Applicationslast 30 patents

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

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

CURRENT DETECTION CIRCUIT, SYNCHRONOUS RECTIFICATION TYPE DC/DC BUC...

DRIVE CIRCUIT OF HIGH-SIDE TRANSISTOR, SWITCHING CIRCUIT, AND CONTR...

BUCK DC/DC CONVERTER, CONTROLLER THEREOF AND CONTROLLING METHOD THE...

SYNCHRONOUS RECTIFICATION DC/DC CONVERTER

DEVICE AND METHOD FOR CONTROLLING SLEW RATE

DC/DC CONVERTER

CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCHING POWER SUPPLY, AND...

CHARGING CIRCUIT

CONTROL CIRCUIT FOR SWITCHING POWER SUPPLY

STEP-DOWN TYPE SWITCHING REGULATOR

STEP-DOWN TYPE SWITCHING REGULATOR, CONTROL CIRCUIT THEREOF, AND EL...

Switching Regulator

Power Supply Unit and Portable Apparatus Using the Same

Semiconductor Device, Power Supply Apparatus Using Same, and Electr...

Circuit Protection Method, Protection Circuit and Power Supply Devi...

Power supply unit and portable apparatus using the same