Kenichi Ukai

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Nara-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Backlight device, liquid crystal display device and illuminating de...
- Patent number 8,300,177
- Issue date Oct 30, 2012
- Sharp Kabushiki Kaisha
- Masashi Takemoto
- G02 - OPTICS
Information Patent Grant
Backlight and liquid crystal display device
- Patent number 6,609,807
- Issue date Aug 26, 2003
- Sharp Kabushiki Kaisha
- Hiroshi Torihara
- G02 - OPTICS
Information Patent Grant
Backlighting device and a method of manufacturing the same, and a l...
- Patent number 6,412,969
- Issue date Jul 2, 2002
- Sharp Kabushiki Kaisha
- Hiroshi Torihara
- G02 - OPTICS
Information Patent Grant
Luminaire and display using the same
- Patent number 6,254,244
- Issue date Jul 3, 2001
- Sharp Kabushiki Kaisha
- Kenichi Ukai
- G02 - OPTICS
Information Patent Grant
Illumination device, method for driving the illumination device and...
- Patent number 6,066,920
- Issue date May 23, 2000
- Sharp Kabushiki Kaisha
- Hiroshi Torihara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Lighting apparatus
- Patent number 5,808,708
- Issue date Sep 15, 1998
- Sharp Kabushiki Kaisha
- Hisashi Oyama
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device having light guiding plate disposed b...
- Patent number 5,694,190
- Issue date Dec 2, 1997
- Sharp Kabushiki Kaisha
- Takumi Matsumoto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
BACKLIGHT DEVICE, LIQUID CRYSTAL DISPLAY DEVICE AND ILLUMINATING DE...
- Publication number 20100053498
- Publication date Mar 4, 2010
- Masashi Takemoto
- G02 - OPTICS
Information Patent Application
LIGHT EMITTING ELEMENT, PRODUCTION METHOD THEREOF, BACKLIGHT UNIT H...
- Publication number 20090194783
- Publication date Aug 6, 2009
- SHARP KABUSHIKI KAISHA
- Masashi Takemoto
- G02 - OPTICS
Information Patent Application
Light emitting element, production method thereof, backlight unit h...
- Publication number 20070114555
- Publication date May 24, 2007
- SHARP KABUSHIKI KAISHA
- Masashi Takemoto
- G02 - OPTICS
Information Patent Application
Backlight and liquid crystal display device
- Publication number 20020018341
- Publication date Feb 14, 2002
- Hiroshi Torihara
- G02 - OPTICS