Hirohisa Warita

Person

Kitakatsuragi-Gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
LED drive circuit and LED illumination apparatus
- Patent number 9,497,808
- Issue date Nov 15, 2016
- Sharp Kabushiki Kaisha
- Takeshi Murata
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit and LED illumination light
- Patent number 8,970,123
- Issue date Mar 3, 2015
- Sharp Kabushiki Kaisha
- Atsushi Kanamori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit and LED illumination unit
- Patent number 8,878,449
- Issue date Nov 4, 2014
- Sharp Kabushiki Kaisha
- Atsushi Kanamori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit, LED illumination component, LED illumination dev...
- Patent number 8,810,135
- Issue date Aug 19, 2014
- Sharp Kabushiki Kaisha
- Yasuhiro Maruyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED driving circuit, LED illumination appliance, LED illuminator, a...
- Patent number 8,710,766
- Issue date Apr 29, 2014
- Sharp Kabushiki Kaisha
- Atsushi Kanamori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit and LED illumination apparatus using the same
- Patent number 8,692,469
- Issue date Apr 8, 2014
- Sharp Kabushiki Kaisha
- Takayuki Shimizu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit and LED illumination component using the same
- Patent number 8,653,751
- Issue date Feb 18, 2014
- Sharp Kabushiki Kaisha
- Takayuki Shimizu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED driver circuit and LED lighting device using the same
- Patent number 8,643,301
- Issue date Feb 4, 2014
- Sharp Kabushiki Kaisha
- Atsushi Kanamori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit, LED illumination fixture, LED illumination devic...
- Patent number 8,421,371
- Issue date Apr 16, 2013
- Sharp Kabushiki Kaisha
- Takayuki Shimizu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit, dimming device, LED illumination fixture, LED il...
- Patent number 8,400,079
- Issue date Mar 19, 2013
- Sharp Kabushiki Kaisha
- Atsushi Kanamori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit, LED illumination component, LED illumination dev...
- Patent number 8,258,706
- Issue date Sep 4, 2012
- Sharp Kabushiki Kaisha
- Yasuhiro Maruyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor device, step-down chopper regulator, and electronic e...
- Patent number 7,737,773
- Issue date Jun 15, 2010
- Sharp Kabushiki Kaisha
- Atsushi Kanamori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply circuit and electronic apparatus provided th...
- Patent number 7,262,582
- Issue date Aug 28, 2007
- Sharp Kabushiki Kaisha
- Hirohisa Warita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical encoder
- Patent number 7,223,963
- Issue date May 29, 2007
- Sharp Kabushiki Kaisha
- Norikazu Okada
- G01 - MEASURING TESTING
Information Patent Grant
Power supply circuit having soft start
- Patent number 7,129,679
- Issue date Oct 31, 2006
- Sharp Kabushiki Kaisha
- Katsumi Inaba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Direct-current stabilization power supply device
- Patent number 6,201,674
- Issue date Mar 13, 2001
- Sharp Kabushiki Kaisha
- Hirohisa Warita
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
LED DRIVE CIRCUIT AND LED ILLUMINATION UNIT
- Publication number 20130134895
- Publication date May 30, 2013
- Atsushi KANAMORI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVE CIRCUIT AND LED ILLUMINATION APPARATUS USING THE SAME
- Publication number 20130076248
- Publication date Mar 28, 2013
- Takayuki Shimizu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVE CIRCUIT, LED ILLUMINATION COMPONENT, LED ILLUMINATION DEV...
- Publication number 20130026946
- Publication date Jan 31, 2013
- Yasuhiro Maruyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVE CIRCUIT AND LED ILLUMINATION LIGHT
- Publication number 20120274230
- Publication date Nov 1, 2012
- Atsushi KANAMORI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVING CIRCUIT, LED ILLUMINATION APPLIANCE, LED ILLUMINATOR, A...
- Publication number 20120217900
- Publication date Aug 30, 2012
- Atsushi KANAMORI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LED DRIVE CIRCUIT AND LED ILLUMINATION APPARATUS
- Publication number 20120126708
- Publication date May 24, 2012
- Takeshi MURATA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVE CIRCUIT AND LED ILLUMINATION COMPONENT USING THE SAME
- Publication number 20120049755
- Publication date Mar 1, 2012
- Takayuki SHIMIZU
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LED DRIVER CIRCUIT AND LED LIGHTING DEVICE USING THE SAME
- Publication number 20120043902
- Publication date Feb 23, 2012
- Sharp Kabushiki Kaisha
- Atsushi KANAMORI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LED DRIVE CIRCUIT, LED ILLUMINATION FIXTURE, LED ILLUMINATION DEVIC...
- Publication number 20110234115
- Publication date Sep 29, 2011
- Takayuki SHIMIZU
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LED DRIVE CIRCUIT, DIMMING DEVICE, LED ILLUMINATION FIXTURE, LED IL...
- Publication number 20110193488
- Publication date Aug 11, 2011
- Atsushi KANAMORI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LED DRIVE CIRCUIT, PHASE CONTROL DIMMER, LED ILLUMINATION FIXTURE,...
- Publication number 20110156612
- Publication date Jun 30, 2011
- SHARP KABUSHIKI KAISHA
- Atsushi Kanamori
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LED DRIVE CIRCUIT, LED ILLUMINATION COMPONENT, LED ILLUMINATION DEV...
- Publication number 20100090604
- Publication date Apr 15, 2010
- Yasuhiro Maruyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SEMICONDUCTOR DEVICE, STEP-DOWN CHOPPER REGULATOR, AND ELECTRONIC E...
- Publication number 20080084243
- Publication date Apr 10, 2008
- Atsushi KANAMORI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power supply circuit device and electronic apparatus provided there...
- Publication number 20070262764
- Publication date Nov 15, 2007
- Sharp Kabushiki Kaisha
- Hirohisa Warita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Switching power supply circuit and electronic apparatus provided th...
- Publication number 20060082352
- Publication date Apr 20, 2006
- Sharp Kabushiki Kaisha
- Hirohisa Warita
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Power supply circuit
- Publication number 20050110469
- Publication date May 26, 2005
- Sharp Kabushiki Kaisha
- Katsumi Inaba
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Optical encoder
- Publication number 20050051715
- Publication date Mar 10, 2005
- Sharp Kabushiki Kaisha
- Norikazu Okada
- G01 - MEASURING TESTING

Hirohisa Warita

Person

Patents Grantslast 30 patents

LED drive circuit and LED illumination apparatus

LED drive circuit and LED illumination light

LED drive circuit and LED illumination unit

LED drive circuit, LED illumination component, LED illumination dev...

LED driving circuit, LED illumination appliance, LED illuminator, a...

LED drive circuit and LED illumination apparatus using the same

LED drive circuit and LED illumination component using the same

LED driver circuit and LED lighting device using the same

LED drive circuit, LED illumination fixture, LED illumination devic...

LED drive circuit, dimming device, LED illumination fixture, LED il...

LED drive circuit, LED illumination component, LED illumination dev...

Semiconductor device, step-down chopper regulator, and electronic e...

Switching power supply circuit and electronic apparatus provided th...

Optical encoder

Power supply circuit having soft start

Direct-current stabilization power supply device

Patents Applicationslast 30 patents

LED DRIVE CIRCUIT AND LED ILLUMINATION UNIT

LED DRIVE CIRCUIT AND LED ILLUMINATION APPARATUS USING THE SAME

LED DRIVE CIRCUIT, LED ILLUMINATION COMPONENT, LED ILLUMINATION DEV...

LED DRIVE CIRCUIT AND LED ILLUMINATION LIGHT

LED DRIVING CIRCUIT, LED ILLUMINATION APPLIANCE, LED ILLUMINATOR, A...

LED DRIVE CIRCUIT AND LED ILLUMINATION APPARATUS

LED DRIVE CIRCUIT AND LED ILLUMINATION COMPONENT USING THE SAME

LED DRIVER CIRCUIT AND LED LIGHTING DEVICE USING THE SAME

LED DRIVE CIRCUIT, LED ILLUMINATION FIXTURE, LED ILLUMINATION DEVIC...

LED DRIVE CIRCUIT, DIMMING DEVICE, LED ILLUMINATION FIXTURE, LED IL...

LED DRIVE CIRCUIT, PHASE CONTROL DIMMER, LED ILLUMINATION FIXTURE,...

LED DRIVE CIRCUIT, LED ILLUMINATION COMPONENT, LED ILLUMINATION DEV...

SEMICONDUCTOR DEVICE, STEP-DOWN CHOPPER REGULATOR, AND ELECTRONIC E...

Power supply circuit device and electronic apparatus provided there...

Switching power supply circuit and electronic apparatus provided th...

Power supply circuit

Optical encoder