Morihito HASEGAWA

Person

Kasugai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power supply control circuit, power supply device, electronic appar...
- Patent number 9,301,278
- Issue date Mar 29, 2016
- SOCIONEXT INC.
- Morihito Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Linear drop-out regulator circuit
- Patent number 8,760,133
- Issue date Jun 24, 2014
- Spansion LLC
- Morihito Hasegawa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Fractional frequency divider PLL device and control method thereof
- Patent number 8,406,364
- Issue date Mar 26, 2013
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
DC-DC converter for pulse frequency modulation control and power su...
- Patent number 8,248,046
- Issue date Aug 21, 2012
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply circuit, overcurrent protection circuit for the same,...
- Patent number 8,233,257
- Issue date Jul 31, 2012
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Power supply circuit, overcurrent protection circuit for the same,...
- Patent number 8,203,817
- Issue date Jun 19, 2012
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
Information Patent Grant
DC-DC converter with a plurality of soft-start control circuits
- Patent number 7,957,165
- Issue date Jun 7, 2011
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit of synchronous rectification type power supply unit...
- Patent number 7,948,219
- Issue date May 24, 2011
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit of power supply unit which controls output power of...
- Patent number 7,944,190
- Issue date May 17, 2011
- Fujitsu Semiconductor Limited
- Hidekiyo Ozawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter and control method thereof
- Patent number 7,936,156
- Issue date May 3, 2011
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter, power supply voltage supplying method, and power s...
- Patent number 7,916,503
- Issue date Mar 29, 2011
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit for preventing through current in DC-DC converter
- Patent number 7,876,076
- Issue date Jan 25, 2011
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit for synchronous rectifier-type DC-DC converter, syn...
- Patent number 7,843,179
- Issue date Nov 30, 2010
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit for detecting a reverse current in a DC-DC converter
- Patent number 7,821,236
- Issue date Oct 26, 2010
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit of power supply, power supply and control method th...
- Patent number 7,781,909
- Issue date Aug 24, 2010
- Fujitsu Semiconductor Limited
- Hidekiyo Ozawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter and control circuit for DC-DC converter
- Patent number 7,777,473
- Issue date Aug 17, 2010
- Fujitsu Semiconductor Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit of current mode DC-DC converter and control method...
- Patent number 7,733,074
- Issue date Jun 8, 2010
- Fujitsu Microelectronics Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter, power supply system, and power supply method
- Patent number 7,714,557
- Issue date May 11, 2010
- Fujitsu Microelectronics Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter control circuit, DC-DC converter, power supply unit...
- Patent number 7,705,483
- Issue date Apr 27, 2010
- Fujitsu Microelectronics Limited
- Hidekiyo Ozawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controller and control method for DC-DC converter
- Patent number 7,609,039
- Issue date Oct 27, 2009
- Fujitsu Microelectronics Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC linear regulator single controller with plural loads
- Patent number 7,545,054
- Issue date Jun 9, 2009
- Fujitsu Microelectronics Limited
- Hidekiyo Ozawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter and control circuit for DC-DC converter
- Patent number 7,456,623
- Issue date Nov 25, 2008
- Fujitsu Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter and its control method, and switching regulator and...
- Patent number 7,423,415
- Issue date Sep 9, 2008
- Fujitsu Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
ΣΔ modulator for PLL circuit
- Patent number 7,388,438
- Issue date Jun 17, 2008
- Fujitsu Limited
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Step-up (boost) DC regulator with two-level back-bias switch gate v...
- Patent number 7,298,117
- Issue date Nov 20, 2007
- Fujitsu Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter and method of controlling DC-DC converter
- Patent number 7,279,870
- Issue date Oct 9, 2007
- Fujitsu Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sigma-delta modulator for PLL circuits
- Patent number 7,279,990
- Issue date Oct 9, 2007
- Fujitsu Limited
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Plural output switching regulator with phase comparison and delay m...
- Patent number 7,268,448
- Issue date Sep 11, 2007
- Fujitsu Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter and control circuit for DC-DC converter
- Patent number 7,224,152
- Issue date May 29, 2007
- Fujitsu Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit and control method for DC-DC converter
- Patent number 7,193,401
- Issue date Mar 20, 2007
- Fujitsu Limited
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COMMUNICATION CONTROLLING DEVICE, WIRELESS COMMUNICATION S...
- Publication number 20140213251
- Publication date Jul 31, 2014
- FUJITSU SEMICONDUCTOR LIMITED
- Morihito HASEGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY CONTROL CIRCUIT, POWER SUPPLY DEVICE, ELECTRONIC APPAR...
- Publication number 20140210445
- Publication date Jul 31, 2014
- FUJITSU SEMICONDUCTOR LIMITED
- Morihito HASEGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY CIRCUIT, OVERCURRENT PROTECTION CIRCUIT FOR THE SAME,...
- Publication number 20090201618
- Publication date Aug 13, 2009
- Fujitsu Microelectronics Limited
- Morihito Hasegawa
- G05 - CONTROLLING REGULATING
Information Patent Application
LINEAR REGULATOR CIRCUIT, LINEAR REGULATION METHOD AND SEMICONDUCTO...
- Publication number 20090115382
- Publication date May 7, 2009
- Fujitsu Microelectronics Limited
- Morihito HASEGAWA
- G05 - CONTROLLING REGULATING
Information Patent Application
DC-DC CONVERTER AND CONTROL CIRCUIT FOR DC-DC CONVERTER
- Publication number 20090051339
- Publication date Feb 26, 2009
- FUJITSU LIMITED
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DC-DC CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20080303500
- Publication date Dec 11, 2008
- FUJITSU LIMITED
- Morihito Hasegawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-DC CONVERTER, POWER SUPPLY VOLTAGE SUPPLYING METHOD, AND POWER S...
- Publication number 20080238394
- Publication date Oct 2, 2008
- Fujitsu Limited
- Morihito HASEGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC Converter, Power Supply System, and Power Supply Method
- Publication number 20080238395
- Publication date Oct 2, 2008
- FUJITSU LIMITED
- Morihito Hasegawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DC-DC CONVERTER AND POWER SUPPLY SYSTEM
- Publication number 20080224674
- Publication date Sep 18, 2008
- FUJITSU LIMITED
- Morihito HASEGAWA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fractional Frequency Divider PLL Device and Control Method Thereof
- Publication number 20080198959
- Publication date Aug 21, 2008
- FUJITSU LIMITED
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DC-DC CONVERSION CIRCUIT, DC-DC CONVERSION CONTROL CIRCUIT, AND DC-...
- Publication number 20080197821
- Publication date Aug 21, 2008
- FUJITSU LIMITED
- Morihito Hasegawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
CONTROL CIRCUIT FOR DC-DC CONVERTER
- Publication number 20080136383
- Publication date Jun 12, 2008
- FUJITSU LIMITED
- Morihito Hasegawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CONTROL CIRCUIT FOR SYNCHRONOUS RECTIFIER-TYPE DC-DC CONVERTER, SYN...
- Publication number 20080111531
- Publication date May 15, 2008
- FUJITSU LIMITED
- Morihito Hasegawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CONTROL CIRCUIT OF CURRENT MODE DC-DC CONVERTER AND CONTROL METHOD...
- Publication number 20080111530
- Publication date May 15, 2008
- FUJITSU LIMITED
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control circuit of synchronous rectification type power supply unit...
- Publication number 20080079408
- Publication date Apr 3, 2008
- FUJITSU LIMITED
- Morihito Hasegawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Control circuit of power supply unit, power supply unit and control...
- Publication number 20080052550
- Publication date Feb 28, 2008
- FUJITSU LIMITED
- Hidekiyo Ozawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Controller for DC-DC converter
- Publication number 20070285077
- Publication date Dec 13, 2007
- FUJITSU LIMITED
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Control circuit of power supply, power supply and control method th...
- Publication number 20070217108
- Publication date Sep 20, 2007
- FUJITSU LIMITED
- Hidekiyo Ozawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DC-DC converter control circuit, DC-DC converter, power supply unit...
- Publication number 20070210649
- Publication date Sep 13, 2007
- FUJITSU LIMITED
- Hidekiyo Ozawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DC-DC converter control circuit, DC-DC converter, and DC-DC convert...
- Publication number 20070194766
- Publication date Aug 23, 2007
- FUJITSU LIMITED
- Hidekiyo Ozawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DC-DC converter and control circuit for DC-DC converter
- Publication number 20070145961
- Publication date Jun 28, 2007
- FUJITSU LIMITED
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Control circuit and control method for DC-DC converter
- Publication number 20070139023
- Publication date Jun 21, 2007
- FUJITSU LIMITED
- Morihito Hasegawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Step-up type DC-DC converter and method for controlling step-up typ...
- Publication number 20070132435
- Publication date Jun 14, 2007
- FUJITSU LIMITED
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DC-DC converter and method for controlling DC-DC converter
- Publication number 20070090819
- Publication date Apr 26, 2007
- FUJITSU LIMITED
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Controller and control method for DC-DC converter
- Publication number 20070057658
- Publication date Mar 15, 2007
- FUJITSU LIMITED
- Morihito Hasegawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-DC converter and its control method, and switching regulator and...
- Publication number 20070052398
- Publication date Mar 8, 2007
- FUJITSU LIMITED
- Morihito Hasegawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-DC converter and control circuit for DC-DC converter
- Publication number 20060170405
- Publication date Aug 3, 2006
- FUJITSU LIMITED
- Morihito Hasegawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Multi-phase DC-DC converter and control circuit for multi-phase DC-...
- Publication number 20060164050
- Publication date Jul 27, 2006
- FUJITSU LIMITED
- Morihito Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Sigma-delta modulator for PLL circuits
- Publication number 20060139194
- Publication date Jun 29, 2006
- FUJITSU LIMITED
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Sigmadelta modulator for PLL circuit
- Publication number 20050153662
- Publication date Jul 14, 2005
- FUJITSU LIMITED
- Morihito Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Morihito HASEGAWA

Person

Patents Grantslast 30 patents

Power supply control circuit, power supply device, electronic appar...

Linear drop-out regulator circuit

Fractional frequency divider PLL device and control method thereof

DC-DC converter for pulse frequency modulation control and power su...

Power supply circuit, overcurrent protection circuit for the same,...

Power supply circuit, overcurrent protection circuit for the same,...

DC-DC converter with a plurality of soft-start control circuits

Control circuit of synchronous rectification type power supply unit...

Control circuit of power supply unit which controls output power of...

DC-DC converter and control method thereof

DC-DC converter, power supply voltage supplying method, and power s...

Circuit for preventing through current in DC-DC converter

Control circuit for synchronous rectifier-type DC-DC converter, syn...

Control circuit for detecting a reverse current in a DC-DC converter

Control circuit of power supply, power supply and control method th...

DC-DC converter and control circuit for DC-DC converter

Control circuit of current mode DC-DC converter and control method...

DC-DC converter, power supply system, and power supply method

DC-DC converter control circuit, DC-DC converter, power supply unit...

Controller and control method for DC-DC converter

DC linear regulator single controller with plural loads

DC-DC converter and control circuit for DC-DC converter

DC-DC converter and its control method, and switching regulator and...

ΣΔ modulator for PLL circuit

Step-up (boost) DC regulator with two-level back-bias switch gate v...

DC-DC converter and method of controlling DC-DC converter

Sigma-delta modulator for PLL circuits

Plural output switching regulator with phase comparison and delay m...

DC-DC converter and control circuit for DC-DC converter

Control circuit and control method for DC-DC converter

Patents Applicationslast 30 patents

WIRELESS COMMUNICATION CONTROLLING DEVICE, WIRELESS COMMUNICATION S...

POWER SUPPLY CONTROL CIRCUIT, POWER SUPPLY DEVICE, ELECTRONIC APPAR...

POWER SUPPLY CIRCUIT, OVERCURRENT PROTECTION CIRCUIT FOR THE SAME,...

LINEAR REGULATOR CIRCUIT, LINEAR REGULATION METHOD AND SEMICONDUCTO...

DC-DC CONVERTER AND CONTROL CIRCUIT FOR DC-DC CONVERTER

DC-DC CONVERTER AND CONTROL METHOD THEREOF

DC-DC CONVERTER, POWER SUPPLY VOLTAGE SUPPLYING METHOD, AND POWER S...

DC-DC Converter, Power Supply System, and Power Supply Method

DC-DC CONVERTER AND POWER SUPPLY SYSTEM

Fractional Frequency Divider PLL Device and Control Method Thereof

DC-DC CONVERSION CIRCUIT, DC-DC CONVERSION CONTROL CIRCUIT, AND DC-...

CONTROL CIRCUIT FOR DC-DC CONVERTER

CONTROL CIRCUIT FOR SYNCHRONOUS RECTIFIER-TYPE DC-DC CONVERTER, SYN...

CONTROL CIRCUIT OF CURRENT MODE DC-DC CONVERTER AND CONTROL METHOD...

Control circuit of synchronous rectification type power supply unit...

Control circuit of power supply unit, power supply unit and control...

Controller for DC-DC converter

Control circuit of power supply, power supply and control method th...

DC-DC converter control circuit, DC-DC converter, power supply unit...

DC-DC converter control circuit, DC-DC converter, and DC-DC convert...

DC-DC converter and control circuit for DC-DC converter

Control circuit and control method for DC-DC converter

Step-up type DC-DC converter and method for controlling step-up typ...

DC-DC converter and method for controlling DC-DC converter

Controller and control method for DC-DC converter

DC-DC converter and its control method, and switching regulator and...

DC-DC converter and control circuit for DC-DC converter

Multi-phase DC-DC converter and control circuit for multi-phase DC-...

Sigma-delta modulator for PLL circuits

Sigmadelta modulator for PLL circuit