Seiji Hachisuka

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light source device and display device
- Patent number 7,654,698
- Issue date Feb 2, 2010
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Inverter system
- Patent number 7,598,748
- Issue date Oct 6, 2009
- Fujitsu Limited
- Seiji Hachisuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Display device, including discharge tube temperature control member
- Patent number 7,549,768
- Issue date Jun 23, 2009
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Backlight having a polarization separating element
- Patent number 7,541,723
- Issue date Jun 2, 2009
- Sharp Kabushiki Kaisha
- Keiji Hayashi
- F21 - LIGHTING
Information Patent Grant
Display panel inspection apparatus and method
- Patent number 7,532,316
- Issue date May 12, 2009
- Fujitsu Limited
- Seiji Hachisuka
- G01 - MEASURING TESTING
Information Patent Grant
Light source device and display device
- Patent number 7,513,649
- Issue date Apr 7, 2009
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Light source device and display device
- Patent number 7,513,650
- Issue date Apr 7, 2009
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Inverter system
- Patent number 7,492,162
- Issue date Feb 17, 2009
- Fujitsu Limited
- Seiji Hachisuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Anomaly detection in inverter system
- Patent number 7,486,082
- Issue date Feb 3, 2009
- Fujitsu Limited
- Seiji Hachisuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light source device and display device
- Patent number 7,470,040
- Issue date Dec 30, 2008
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Light source device and display device
- Patent number 7,470,039
- Issue date Dec 30, 2008
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Light source device and display device
- Patent number 7,396,144
- Issue date Jul 8, 2008
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Backlight having discharge tube, reflector and heat conduction memb...
- Patent number 7,309,146
- Issue date Dec 18, 2007
- Sharp Kabushiki Kaisha
- Keiji Hayashi
- F21 - LIGHTING
Information Patent Grant
Light source device and display device
- Patent number 7,290,899
- Issue date Nov 6, 2007
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Light source device, and display device, display module, informatio...
- Patent number 7,290,901
- Issue date Nov 6, 2007
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING
Information Patent Grant
Method of producing a backlight having a discharge tube containing...
- Patent number 7,169,005
- Issue date Jan 30, 2007
- Sharp Kabushiki Kaisha
- Keiji Hayashi
- F21 - LIGHTING
Information Patent Grant
Light source device and display device
- Patent number 7,070,291
- Issue date Jul 4, 2006
- Fujitsu Limited
- Akio Sotokawa
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Light source device and display device
- Publication number 20080137376
- Publication date Jun 12, 2008
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Backlight having discharge tube, reflector and heat conduction memb...
- Publication number 20080062700
- Publication date Mar 13, 2008
- Sharp Kabushiki Kaisha
- Keiji Hayashi
- G02 - OPTICS
Information Patent Application
Display panel inspection apparatus and method
- Publication number 20080030725
- Publication date Feb 7, 2008
- FUJITSU LIMITED
- Seiji Hachisuka
- G01 - MEASURING TESTING
Information Patent Application
Light source device and display device
- Publication number 20070258269
- Publication date Nov 8, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20070253220
- Publication date Nov 1, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20070247849
- Publication date Oct 25, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20070242480
- Publication date Oct 18, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20070242481
- Publication date Oct 18, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20070242484
- Publication date Oct 18, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20070242482
- Publication date Oct 18, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20070242483
- Publication date Oct 18, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20070242458
- Publication date Oct 18, 2007
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
INVERTER SYSTEM
- Publication number 20070103163
- Publication date May 10, 2007
- Fujitsu Limited
- Seiji Hachisuka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
INVERTER SYSTEM
- Publication number 20070103094
- Publication date May 10, 2007
- Fujitsu Limited
- Seiji Hachisuka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Light source device and display device
- Publication number 20060098436
- Publication date May 11, 2006
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20060097642
- Publication date May 11, 2006
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Method of producing a backlight having a discharge tube containing...
- Publication number 20050255784
- Publication date Nov 17, 2005
- Fujitsu Display Technologies Corporation
- Keiji Hayashi
- G02 - OPTICS
Information Patent Application
Optical sheet having a diffusion portion
- Publication number 20050242693
- Publication date Nov 3, 2005
- Fujitsu Display Technologies Corporation
- Keiji Hayashi
- G02 - OPTICS
Information Patent Application
Backlight having a polarization separating element
- Publication number 20050236948
- Publication date Oct 27, 2005
- Fujitsu Display Technologies Corporation
- Keiji Hayashi
- G02 - OPTICS
Information Patent Application
Backlight having discharge tube, reflector and heat conduction memb...
- Publication number 20050179352
- Publication date Aug 18, 2005
- Fujitsu Display Technologies Corporation
- Keiji Hayashi
- G02 - OPTICS
Information Patent Application
Light source device and display device
- Publication number 20040062042
- Publication date Apr 1, 2004
- FUJITSU LIMITED
- Akio Sotokawa
- G02 - OPTICS
Information Patent Application
Anomaly detection circuit of inverter and electronic apparatus comp...
- Publication number 20040012987
- Publication date Jan 22, 2004
- FUJITSU LIMITED
- Seiji Hachisuka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Inverter system
- Publication number 20040012381
- Publication date Jan 22, 2004
- Fujitsu Limited, Kawasaki, Japan
- Seiji Hachisuka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Backlight having discharge tube, reflector and heat conduction memb...
- Publication number 20020113534
- Publication date Aug 22, 2002
- FUJITSU LIMITED
- Keiji Hayashi
- G02 - OPTICS

Seiji Hachisuka

Person

Patents Grantslast 30 patents

Light source device and display device

Inverter system

Display device, including discharge tube temperature control member

Backlight having a polarization separating element

Display panel inspection apparatus and method

Light source device and display device

Light source device and display device

Inverter system

Anomaly detection in inverter system

Light source device and display device

Light source device and display device

Light source device and display device

Backlight having discharge tube, reflector and heat conduction memb...

Light source device and display device

Light source device, and display device, display module, informatio...

Method of producing a backlight having a discharge tube containing...

Light source device and display device

Patents Applicationslast 30 patents

Light source device and display device

Backlight having discharge tube, reflector and heat conduction memb...

Display panel inspection apparatus and method

Light source device and display device

Light source device and display device

Light source device and display device

Light source device and display device

Light source device and display device

Light source device and display device

Light source device and display device

Light source device and display device

Light source device and display device

INVERTER SYSTEM

INVERTER SYSTEM

Light source device and display device

Light source device and display device

Method of producing a backlight having a discharge tube containing...

Optical sheet having a diffusion portion

Backlight having a polarization separating element

Backlight having discharge tube, reflector and heat conduction memb...

Light source device and display device

Anomaly detection circuit of inverter and electronic apparatus comp...

Inverter system

Backlight having discharge tube, reflector and heat conduction memb...