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Toshihiro KOIKE
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Anthracene derivative and organic electroluminescent element using...
Patent number
9,478,750
Issue date
Oct 25, 2016
JNC Corporation
Toshihiro Koike
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Benzofluorene compound, emission materials and organic electrolumin...
Patent number
9,099,654
Issue date
Aug 4, 2015
JNC Corporation
Guofang Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Coumarin compound, material for light emitting device and organic e...
Patent number
7,569,694
Issue date
Aug 4, 2009
Chisso Corporation
Toshihiro Koike
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescent device
Patent number
6,767,654
Issue date
Jul 27, 2004
Chisso Corporation
Kouhei Tamao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diaminonaphthalene derivative and organic electroluminescent device...
Patent number
6,376,106
Issue date
Apr 23, 2002
Chisso Corporation
Manabu Uchida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Silole derivatives and organic electroluminescent element containin...
Patent number
6,376,694
Issue date
Apr 23, 2002
Chisso Corporation
Manabu Uchida
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20200091431
Publication date
Mar 19, 2020
Kwansei Gakuin Educational Foundation
Takuji HATAKEYAMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20190207112
Publication date
Jul 4, 2019
KWANSEI GAKUIN EDUCATIONAL FOUNDATION
Takuji Hatakeyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20180301629
Publication date
Oct 18, 2018
Kwansei Gakuin Educational Foundation
Takuji HATAKEYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING...
Publication number
20150014671
Publication date
Jan 15, 2015
JNC CORPORATION
Toshihiro Koike
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BENZOFLUORENE COMPOUND, EMISSION MATERIALS AND ORGANIC ELECTROLUMIN...
Publication number
20130134405
Publication date
May 30, 2013
JNC CORPORATION
Guofang WANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Benzofluorene compound, emission materials and organic electrolumin...
Publication number
20080160347
Publication date
Jul 3, 2008
Guofang Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Coumarin compound, material for light emitting device and organic e...
Publication number
20070176544
Publication date
Aug 2, 2007
Toshihiro Koike
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Luminescent material and organic electroluminescent device using th...
Publication number
20060014046
Publication date
Jan 19, 2006
Guofang Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20030152800
Publication date
Aug 14, 2003
Kouhei Tamao
C07 - ORGANIC CHEMISTRY