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Tomohiko Sawanaka
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Planar light source device and liquid crystal display device
Patent number
10,788,708
Issue date
Sep 29, 2020
Mitsubishi Electric Corporation
Tomohiko Sawanaka
G02 - OPTICS
Information
Patent Grant
Planar light source apparatus, display apparatus, and method of man...
Patent number
10,539,825
Issue date
Jan 21, 2020
Mitsubishi Electric Corporation
Tomohiko Sawanaka
G02 - OPTICS
Information
Patent Grant
Surface light source apparatus comprising a light-distribution cont...
Patent number
10,473,977
Issue date
Nov 12, 2019
Mitsubishi Electric Corporation
Hideyuki Murai
G02 - OPTICS
Information
Patent Grant
Surface light source device and liquid crystal display device
Patent number
10,088,706
Issue date
Oct 2, 2018
Mitsubishi Electric Corporation
Nami Okimoto
G02 - OPTICS
Information
Patent Grant
Surface light source device and liquid crystal display device
Patent number
9,703,142
Issue date
Jul 11, 2017
Mitsubishi Electric Corporation
Saki Maeda
G02 - OPTICS
Information
Patent Grant
Light source device using monochromatic light to excite stationary...
Patent number
9,599,316
Issue date
Mar 21, 2017
Mitsubishi Electric Corporation
Akihiro Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Surface light source device and liquid crystal display device
Patent number
9,588,373
Issue date
Mar 7, 2017
Mitsubishi Electric Corporation
Nami Okimoto
G02 - OPTICS
Information
Patent Grant
Light guide for LED lamp
Patent number
D773723
Issue date
Dec 6, 2016
Mitsubishi Electric Corporation
Nami Okimoto
D26 - Lighting
Information
Patent Grant
Light guide for LED lamp
Patent number
D773722
Issue date
Dec 6, 2016
Mitsubishi Electric Corporation
Nami Okimoto
D26 - Lighting
Information
Patent Grant
Projection display device
Patent number
9,467,670
Issue date
Oct 11, 2016
Mitsubishi Electric Corporation
Akihiro Yamada
F21 - LIGHTING
Information
Patent Grant
Light source device and projection-type display apparatus
Patent number
9,310,033
Issue date
Apr 12, 2016
Mitsubishi Electric Corporation
Akihiro Yamada
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
Publication number
20200233269
Publication date
Jul 23, 2020
Mitsubishi Electric Corporation
Saki MAEDA
G02 - OPTICS
Information
Patent Application
PLANAR LIGHT SOURCE APPARATUS, DISPLAY APPARATUS, AND METHOD OF MAN...
Publication number
20180180943
Publication date
Jun 28, 2018
Mitsubishi Electric Corporation
Tomohiko SAWANAKA
G02 - OPTICS
Information
Patent Application
SURFACE LIGHT SOURCE APPARATUS AND LIQUID CRYSTAL DISPLAY
Publication number
20180059484
Publication date
Mar 1, 2018
Mitsubishi Electric Corporation
Hideyuki MURAI
G02 - OPTICS
Information
Patent Application
PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20180031923
Publication date
Feb 1, 2018
Mitsubishi Electric Corporation
Tomohiko SAWANAKA
G02 - OPTICS
Information
Patent Application
SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20160054623
Publication date
Feb 25, 2016
Mitsubishi Electric Corporation
Saki MAEDA
G02 - OPTICS
Information
Patent Application
SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20160054506
Publication date
Feb 25, 2016
Mitsubishi Electric Corporation
Nami OKIMOTO
G02 - OPTICS
Information
Patent Application
SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20160054517
Publication date
Feb 25, 2016
Mitsubishi Electric Corporation
Nami OKIMOTO
G02 - OPTICS
Information
Patent Application
PROJECTION DISPLAY DEVICE
Publication number
20150341605
Publication date
Nov 26, 2015
Mitsubishi Electric Corporation
Akihiro YAMADA
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE DEVICE
Publication number
20150167932
Publication date
Jun 18, 2015
Mitsubishi Electric Corporation
Akihiro Yamada
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTION-TYPE DISPLAY APPARATUS
Publication number
20140354956
Publication date
Dec 4, 2014
Mitsubishi Electric Corporation
Akihiro Yamada
F21 - LIGHTING
Information
Patent Application
LASER LIGHT SOURCE DEVICE
Publication number
20110280272
Publication date
Nov 17, 2011
Takayuki YANAGISAWA
G02 - OPTICS
Information
Patent Application
PROJECTION DISPLAY DEVICE
Publication number
20110075108
Publication date
Mar 31, 2011
Mitsubishi Electric Corporation
Kuniko Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY