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Hiroko Murata
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Odawara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Pyrazine derivative, and light emitting element, display device, el...
Patent number
9,324,951
Issue date
Apr 26, 2016
Semiconductor Energy Laboratory Co., Ltd.
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Light-emitting element, light-emitting device, and electronic device
Patent number
9,112,170
Issue date
Aug 18, 2015
Semiconductor Energy Laboratory Co., Ltd.
Nobuharu Ohsawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Oxadiazole derivative, and light emitting element, light emitting d...
Patent number
9,048,436
Issue date
Jun 2, 2015
Semiconductor Energy Laboratory Co., Ltd.
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrazine derivative, and light emitting element, display device, el...
Patent number
8,920,941
Issue date
Dec 30, 2014
Semiconductor Energy Laboratory Co., Ltd.
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxadiazole derivative, and light emitting element, light emitting d...
Patent number
8,686,159
Issue date
Apr 1, 2014
Semiconductor Energy Laboratory Co., Ltd.
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxadiazole derivative, and light emitting element, light emitting d...
Patent number
8,389,735
Issue date
Mar 5, 2013
Semiconductor Energy Laboratory Co., Ltd.
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE
Publication number
20150325806
Publication date
Nov 12, 2015
Semiconductor Energy Laboratory Co., Ltd.
Nobuharu Ohsawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Pyrazine Derivative, and Light Emitting Element, Display Device, El...
Publication number
20150112065
Publication date
Apr 23, 2015
Semiconductor Energy Laboratory Co., Ltd
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Oxadiazole Derivative, and Light Emitting Element, Light Emitting D...
Publication number
20140299822
Publication date
Oct 9, 2014
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Oxadiazole Derivative, and Light Emitting Element, Light Emitting D...
Publication number
20130200344
Publication date
Aug 8, 2013
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Light-emitting element, light-emitting device, and electronic device
Publication number
20070222376
Publication date
Sep 27, 2007
Semiconductor Energy Laboratory Co., Ltd.
Nobuharu Ohsawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Pyrazine derivative, and light emitting element, display device, el...
Publication number
20070161793
Publication date
Jul 12, 2007
Hiroko Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Oxadiazole derivative, and light emitting element, light emitting d...
Publication number
20070149784
Publication date
Jun 28, 2007
Semiconductor Energy Laboratory Co., Ltd
Hiroko Murata
C07 - ORGANIC CHEMISTRY