Kenichi Fukumoto

Person

Saiin Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
LED drive circuit, LED drive device, and LED drive system
- Patent number 10,820,385
- Issue date Oct 27, 2020
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit and method for driving LED string for backlight, and backli...
- Patent number 8,599,333
- Issue date Dec 3, 2013
- Rohm Co., Ltd.
- Yoshikazu Sasaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Triangular-wave generating circuit synchronized with an external ci...
- Patent number 8,294,494
- Issue date Oct 23, 2012
- Rohm Co., Ltd.
- Junichi Hagino
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Inverter apparatus
- Patent number 8,264,162
- Issue date Sep 11, 2012
- Rohm Co., Ltd.
- Goang-Woo Nam
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter
- Patent number 8,044,604
- Issue date Oct 25, 2011
- Rohm Co., Ltd.
- Junichi Hagino
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluorescent lamp driving apparatus with abnormality detection circuit
- Patent number 8,030,850
- Issue date Oct 4, 2011
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Triangular-wave generating circuit, and inverter, light emitting de...
- Patent number 7,948,282
- Issue date May 24, 2011
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter with protection function
- Patent number 7,944,652
- Issue date May 17, 2011
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter
- Patent number 7,936,137
- Issue date May 3, 2011
- Rohm Co., Ltd.
- Yoshinori Imanaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
DC-AC converter, controller IC therefor, and electronic apparatus u...
- Patent number 7,920,390
- Issue date Apr 5, 2011
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Controller IC, DC-AC conversion apparatus, and parallel running sys...
- Patent number 7,859,866
- Issue date Dec 28, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter using PWM method
- Patent number 7,859,197
- Issue date Dec 28, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
DC-AC converter and method of supplying AC power
- Patent number 7,835,161
- Issue date Nov 16, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter
- Patent number 7,778,047
- Issue date Aug 17, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-AC converter and controller IC thereof
- Patent number 7,724,554
- Issue date May 25, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-AC converter, and method for supplying AC power
- Patent number 7,633,769
- Issue date Dec 15, 2009
- Rohm Co., Ltd.
- Hiroki Toda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter apparatus
- Patent number 7,622,870
- Issue date Nov 24, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
DC-AC converter with feedback signal control circuit utilizing powe...
- Patent number 7,599,202
- Issue date Oct 6, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-AC converter and method of supplying AC power
- Patent number 7,589,981
- Issue date Sep 15, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controller IC, DC-AC conversion apparatus, and parallel running sys...
- Patent number 7,554,823
- Issue date Jun 30, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for synchronizing phase of triangular signal
- Patent number 7,554,370
- Issue date Jun 30, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
DC-AC converter and controller IC therefor
- Patent number 7,538,536
- Issue date May 26, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter
- Patent number 7,525,820
- Issue date Apr 28, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-AC converter and controller IC thereof
- Patent number 7,492,620
- Issue date Feb 17, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Parallel operating system of DC-AC converters and controller IC the...
- Patent number 7,471,528
- Issue date Dec 30, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-AC converter, controller IC therefor, and electronic apparatus u...
- Patent number 7,466,566
- Issue date Dec 16, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-AC converter and method of supplying AC power
- Patent number 7,403,401
- Issue date Jul 22, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controller IC, DC-AC conversion apparatus, and parallel running sys...
- Patent number 7,394,671
- Issue date Jul 1, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for synchronizing phase of triangular signal
- Patent number 7,362,150
- Issue date Apr 22, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
DC-AC converter and controller IC therefor
- Patent number 7,339,802
- Issue date Mar 4, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
LED DRIVE CIRCUIT, LED DRIVE DEVICE, AND LED DRIVE SYSTEM
- Publication number 20190387591
- Publication date Dec 19, 2019
- Rohm Co., Ltd.
- Kenichi FUKUMOTO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CIRCUIT AND METHOD FOR DRIVING LED STRING FOR BACKLIGHT, AND BACKL...
- Publication number 20120274877
- Publication date Nov 1, 2012
- Rohm Co., Ltd.
- Yoshikazu Sasaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
TRIANGULAR-WAVE GENERATING CIRCUIT, AND INVERTER, LIGHT EMITTING DE...
- Publication number 20100277090
- Publication date Nov 4, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DRIVING APPARATUS AND METHOD FOR FLUORESCENT LAMP
- Publication number 20100188614
- Publication date Jul 29, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
INVERTER APPARATUS
- Publication number 20100149458
- Publication date Jun 17, 2010
- Rohm Co., Ltd.
- Goang-Woo NAM
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
TRIANGULAR-WAVE GENERATING CIRCUIT SYNCHRONIZED WITH AN EXTERNAL CI...
- Publication number 20100039571
- Publication date Feb 18, 2010
- Rohm Co., Ltd.
- Junichi Hagino
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FLUORESCENT LAMP DRIVING APPARATUS, LIGHT EMITTING APPARATUS AND LI...
- Publication number 20100020269
- Publication date Jan 28, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-AC Converter and Method of Supplying AC Power
- Publication number 20100014336
- Publication date Jan 21, 2010
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
INVERTER, ITS CONTROL CIRCUIT, AND LIGHT EMITTING DEVICE AND LIQUID...
- Publication number 20090273738
- Publication date Nov 5, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
INVERTER
- Publication number 20090251062
- Publication date Oct 8, 2009
- Rohm Co., Ltd.
- Junichi HAGINO
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Controller IC, DC-AC conversion apparatus, and parallel running sys...
- Publication number 20090237969
- Publication date Sep 24, 2009
- ROHM CO., LTD.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
INVERTER
- Publication number 20090184654
- Publication date Jul 23, 2009
- Rohm Co., Ltd.
- Kenichi FUKUMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-AC Converter and Controller IC Thereof
- Publication number 20090185401
- Publication date Jul 23, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
INVERTER, ITS DRIVE METHOD, LIGHT EMITTING DEVICE AND LIQUID CRYSTA...
- Publication number 20090160357
- Publication date Jun 25, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-AC CONVERTER, CONTROLLER IC THEREFOR, AND ELECTRONIC APPARATUS U...
- Publication number 20090072754
- Publication date Mar 19, 2009
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
INVERTER
- Publication number 20090066265
- Publication date Mar 12, 2009
- Rohm Co., Ltd.
- Yoshinori Imanaka
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-AC CONVERTER, CONTROLLER IC THEREFOR, AND ELECTRONIC APPARATUS U...
- Publication number 20090021970
- Publication date Jan 22, 2009
- ROHM COMPANY, LTD.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POWER SUPPLY DEVICE AND LIGHT-EMITTING DEVICE AND ELECTRONIC EQUIPM...
- Publication number 20090015177
- Publication date Jan 15, 2009
- Rohm Co., Ltd.
- Kenichi FUKUMOTO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
INVERTER APPARATUS
- Publication number 20080303447
- Publication date Dec 11, 2008
- Rohm Co., Ltd.
- Kenichi FUKUMOTO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DC-AC Converter and Method of Supplying AC Power
- Publication number 20080285321
- Publication date Nov 20, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Controller IC, DC-AC conversion apparatus, and parallel running sys...
- Publication number 20080258784
- Publication date Oct 23, 2008
- ROHM CO., LTD.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method and system for synchronizing phase of triangular signal
- Publication number 20080180140
- Publication date Jul 31, 2008
- Rohm Co., Ltd.
- Kenichi FUKUMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DC-AC Converter and Controller IC Therefor
- Publication number 20080158916
- Publication date Jul 3, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power supply apparatus using coil
- Publication number 20080048589
- Publication date Feb 28, 2008
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-AC Converter and Method of Supplying AC Power
- Publication number 20080037291
- Publication date Feb 14, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-AC Converter and Controller IC Thereof
- Publication number 20080031028
- Publication date Feb 7, 2008
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Controller Ic, Dc-Ac Conversion Apparatus, And Parallel Running Sys...
- Publication number 20070291523
- Publication date Dec 20, 2007
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Parallel Operating System of DC-AC Converters and Controller IC The...
- Publication number 20070285955
- Publication date Dec 13, 2007
- Rohm Co., Ltd.
- Kenichi Fukumoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-AC CONVERTER, AND METHOD FOR SUPPLYING AC POWER
- Publication number 20070279946
- Publication date Dec 6, 2007
- ROHM CO., LTD.
- Hiroki Toda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Inverter apparatus
- Publication number 20070252535
- Publication date Nov 1, 2007
- Kenichi Fukumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Kenichi Fukumoto

Person

Patents Grantslast 30 patents

LED drive circuit, LED drive device, and LED drive system

Circuit and method for driving LED string for backlight, and backli...

Triangular-wave generating circuit synchronized with an external ci...

Inverter apparatus

Inverter

Fluorescent lamp driving apparatus with abnormality detection circuit

Triangular-wave generating circuit, and inverter, light emitting de...

Inverter with protection function

Inverter

DC-AC converter, controller IC therefor, and electronic apparatus u...

Controller IC, DC-AC conversion apparatus, and parallel running sys...

Inverter using PWM method

DC-AC converter and method of supplying AC power

Inverter

DC-AC converter and controller IC thereof

DC-AC converter, and method for supplying AC power

Inverter apparatus

DC-AC converter with feedback signal control circuit utilizing powe...

DC-AC converter and method of supplying AC power

Controller IC, DC-AC conversion apparatus, and parallel running sys...

Method and system for synchronizing phase of triangular signal

DC-AC converter and controller IC therefor

Inverter

DC-AC converter and controller IC thereof

Parallel operating system of DC-AC converters and controller IC the...

DC-AC converter, controller IC therefor, and electronic apparatus u...

DC-AC converter and method of supplying AC power

Controller IC, DC-AC conversion apparatus, and parallel running sys...

Method and system for synchronizing phase of triangular signal

DC-AC converter and controller IC therefor

Patents Applicationslast 30 patents

LED DRIVE CIRCUIT, LED DRIVE DEVICE, AND LED DRIVE SYSTEM

CIRCUIT AND METHOD FOR DRIVING LED STRING FOR BACKLIGHT, AND BACKL...

TRIANGULAR-WAVE GENERATING CIRCUIT, AND INVERTER, LIGHT EMITTING DE...

DRIVING APPARATUS AND METHOD FOR FLUORESCENT LAMP

INVERTER APPARATUS

TRIANGULAR-WAVE GENERATING CIRCUIT SYNCHRONIZED WITH AN EXTERNAL CI...

FLUORESCENT LAMP DRIVING APPARATUS, LIGHT EMITTING APPARATUS AND LI...

DC-AC Converter and Method of Supplying AC Power

INVERTER, ITS CONTROL CIRCUIT, AND LIGHT EMITTING DEVICE AND LIQUID...

INVERTER

Controller IC, DC-AC conversion apparatus, and parallel running sys...

INVERTER

DC-AC Converter and Controller IC Thereof

INVERTER, ITS DRIVE METHOD, LIGHT EMITTING DEVICE AND LIQUID CRYSTA...

DC-AC CONVERTER, CONTROLLER IC THEREFOR, AND ELECTRONIC APPARATUS U...

INVERTER

DC-AC CONVERTER, CONTROLLER IC THEREFOR, AND ELECTRONIC APPARATUS U...

POWER SUPPLY DEVICE AND LIGHT-EMITTING DEVICE AND ELECTRONIC EQUIPM...

INVERTER APPARATUS

DC-AC Converter and Method of Supplying AC Power

Controller IC, DC-AC conversion apparatus, and parallel running sys...

Method and system for synchronizing phase of triangular signal

DC-AC Converter and Controller IC Therefor

Power supply apparatus using coil

DC-AC Converter and Method of Supplying AC Power

DC-AC Converter and Controller IC Thereof

Controller Ic, Dc-Ac Conversion Apparatus, And Parallel Running Sys...

Parallel Operating System of DC-AC Converters and Controller IC The...

DC-AC CONVERTER, AND METHOD FOR SUPPLYING AC POWER

Inverter apparatus