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Toshitake Kitagawa
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting device
Patent number
9,082,938
Issue date
Jul 14, 2015
Kabushiki Kaisha Toshiba
Takayoshi Fujii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bulb-type lamp
Patent number
8,975,806
Issue date
Mar 10, 2015
Toshiba Lighting & Technology Corporation
Toshitake Kitagawa
F21 - LIGHTING
Information
Patent Grant
Self-ballasted lamp and lighting fixture
Patent number
8,866,385
Issue date
Oct 21, 2014
Toshiba Lighting & Technology Corporation
Toshitake Kitagawa
F21 - LIGHTING
Information
Patent Grant
Semiconductor light emitting device and method for manufacturing se...
Patent number
8,546,178
Issue date
Oct 1, 2013
Kabushiki Kaisha Toshiba
Tomoko Morioka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Backlight for liquid crystal display device
Patent number
7,965,350
Issue date
Jun 21, 2011
Harison Toshiba Lighting Corporation
Ryuji Tsuchiya
G02 - OPTICS
Information
Patent Grant
Illumination apparatus comprising a light guide plate divided by we...
Patent number
7,764,334
Issue date
Jul 27, 2010
Kabushiki Kaisha Toshiba
Toshitake Kitagawa
G02 - OPTICS
Information
Patent Grant
Backlight device and liquid crystal display device
Patent number
7,537,371
Issue date
May 26, 2009
Kabushiki Kaisha Toshiba
Naotada Okada
G02 - OPTICS
Information
Patent Grant
Lens, lens device, camera module and electrical equipment
Patent number
6,507,443
Issue date
Jan 14, 2003
Kabushiki Kaisha Toshiba
Toshitake Kitagawa
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
RARE EARTH COMPLEX-CONTAINING COMPOSITION AND FLUORESCENT PENETRANT...
Publication number
20220363985
Publication date
Nov 17, 2022
Kabushiki Kaisha Toshiba
Hiroki IWANAGA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LIGHT EMITTING DEVICE
Publication number
20150076543
Publication date
Mar 19, 2015
KABUSHIKI KAISHA TOSHIBA
Takayoshi FUJII
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHTING APPARATUS
Publication number
20150077993
Publication date
Mar 19, 2015
KABUSHIKI KAISHA TOSHIBA
Kakeru YAMAGUCHI
F21 - LIGHTING
Information
Patent Application
LENS, LIGHTING DEVICE, BULB-TYPE LAMP, AND LUMINAIRE
Publication number
20130221829
Publication date
Aug 29, 2013
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
Toshitake Kitagawa
G02 - OPTICS
Information
Patent Application
BULB-TYPE LAMP AND LUMINAIRE USING BULB-TYPE LAMP
Publication number
20120306366
Publication date
Dec 6, 2012
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
Makoto SAKAI
F21 - LIGHTING
Information
Patent Application
ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20120105503
Publication date
May 3, 2012
Kabushiki Kaisha Toshiba
Tomoyuki TADA
G02 - OPTICS
Information
Patent Application
SELF-BALLASTED LAMP AND LIGHTING FIXTURE
Publication number
20120049737
Publication date
Mar 1, 2012
Kabushiki Kaisha Toshiba
Toshitake KITAGAWA
F21 - LIGHTING
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SE...
Publication number
20120012874
Publication date
Jan 19, 2012
Kabushiki Kaisha Toshiba
Tomoko MORIOKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PLANAR LIGHTING DEVICE AND LIQUID-CRYSTAL DISPLAY DEVICE WITH THE SAME
Publication number
20110317096
Publication date
Dec 29, 2011
Masahiro Yokota
G02 - OPTICS
Information
Patent Application
BACKLIGHT FOR LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20090046220
Publication date
Feb 19, 2009
HARISON TOSHIBA LIGHTING CORPORATION
Ryuji Tsuchiya
G02 - OPTICS
Information
Patent Application
BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20080165551
Publication date
Jul 10, 2008
Naotada Okada
G02 - OPTICS
Information
Patent Application
ILLUMINATION APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS
Publication number
20080030650
Publication date
Feb 7, 2008
Kabushiki Kaisha Toshiba
Toshitake Kitagawa
G02 - OPTICS
Information
Patent Application
Lens, lens device, camera module and electrical equipment
Publication number
20010003494
Publication date
Jun 14, 2001
Toshitake Kitagawa
G02 - OPTICS