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Chiba-ken, JP
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last 30 patents
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Patent Grant
Organic electroluminescence device emitting white light
Patent number
6,866,947
Issue date
Mar 15, 2005
Idemitsu Kosan Co., Ltd.
Kenichi Fukuoka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescence device
Patent number
6,818,327
Issue date
Nov 16, 2004
Idemitsu Kosan Co., Ltd.
Sanae Tagami
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescence device
Patent number
6,815,090
Issue date
Nov 9, 2004
Idemitsu Kosan Co., Ltd.
Sanae Tagami
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescence device emitting white light
Patent number
6,803,120
Issue date
Oct 12, 2004
Idemitsu Kosan Co., Ltd.
Kenichi Fukuoka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescence device
Patent number
6,489,046
Issue date
Dec 3, 2002
Idemitsu Kosan Co., Ltd.
Hidetsugu Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polycarbonate with weatherproof prop...
Patent number
4,153,780
Issue date
May 8, 1979
Idemitsu Kosan Company Limited
Yoshihiro Narita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE EMITTING WHITE LIGHT
Publication number
20090179561
Publication date
Jul 16, 2009
Idemitsu Kosan Co., Ltd.
Kenichi Fukuoka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20080074045
Publication date
Mar 27, 2008
IDEMITSU KOSAN CO., LTD.
Sanae Tagami
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE EMITTING WHITE LIGHT
Publication number
20070134515
Publication date
Jun 14, 2007
Idemitsu Kosan Co., Ltd.
Kenichi Fukuoka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Organic electroluminescence device
Publication number
20070003788
Publication date
Jan 4, 2007
IDEMITSU KOSAN CO., LTD.
Sanae Tagami
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Organic electroluminescence device
Publication number
20060024523
Publication date
Feb 2, 2006
IDEMITSU KOSAN CO., LTD.
Sanae Tagami
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Organic electroluminescence device emitting white light
Publication number
20050129982
Publication date
Jun 16, 2005
IDEMITSU KOSAN CO., LTD.
Kenichi Fukuoka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Organic electroluminescence device emitting white light
Publication number
20050019606
Publication date
Jan 27, 2005
Idemitsu Kosan Co., Ltd.
Kenichi Fukuoka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Organic electroluminescence device
Publication number
20040214043
Publication date
Oct 28, 2004
Idemitsu Kosan Co., Ltd.
Sanae Tagami
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Organic electroluminescence device
Publication number
20030054200
Publication date
Mar 20, 2003
Idemitsu Kosan Co., Ltd.
Sanae Tagami
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Organic electroluminescence device emitting white light
Publication number
20020168544
Publication date
Nov 14, 2002
Idemitsu Kosan Co., Ltd.
Kenichi Fukuoka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...