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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Organic electroluminescence device
Patent number
7,709,102
Issue date
May 4, 2010
Idemitsu Kosan Co., Ltd.
Chishio Hosokawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescence device with organic compound layer cont...
Patent number
7,045,950
Issue date
May 16, 2006
Idemitsu Kosan Co., Ltd.
Hisahiro Higashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent device
Patent number
6,773,831
Issue date
Aug 10, 2004
Idemitsu Kosan Co., Ltd.
Hisahiro Higashi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescence device
Patent number
6,617,051
Issue date
Sep 9, 2003
Idemitsu Kosan Co., Ltd.
Hisahiro Higashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescence device and organic light emitting medium
Patent number
6,534,199
Issue date
Mar 18, 2003
Idemitsu Kosan Co., Ltd.
Chishio Hosokawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device and method of its manufacture
Patent number
6,531,234
Issue date
Mar 11, 2003
Idemitsu Kosan Co., Ltd.
Hisahiro Higashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescent device
Patent number
6,489,489
Issue date
Dec 3, 2002
Idemitsu Kosan Co., Ltd.
Toshio Sakai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescent device
Patent number
6,406,804
Issue date
Jun 18, 2002
Idemitsu Kosan Co., Ltd.
Hisahiro Higashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescent device
Patent number
6,224,966
Issue date
May 1, 2001
Idemitsu Kosan Co., Ltd.
Toshio Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescent device
Patent number
6,214,481
Issue date
Apr 10, 2001
Idemitsu Kosan Co., Ltd.
Toshio Sakai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic dimethylidyne compounds
Patent number
6,093,864
Issue date
Jul 25, 2000
Idemitsu Kosan Co., Ltd.
Hiroshi Tokailin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thin film electroluminescence device
Patent number
5,705,284
Issue date
Jan 6, 1998
Idemitsu Kosan Co., Ltd.
Chishio Hosokawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Charge injection auxiliary material and organic electroluminescence...
Patent number
5,536,949
Issue date
Jul 16, 1996
Idemistu Kosan Co., Ltd.
Chishio Hosokawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescence device
Patent number
5,503,910
Issue date
Apr 2, 1996
Idemitsu Kosan Co., Ltd.
Masahide Matsuura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Thin film electroluminescence device and process for production the...
Patent number
5,443,921
Issue date
Aug 22, 1995
Idemitsu Kosan Co., Ltd.
Chishio Hosokawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescence device
Patent number
5,366,811
Issue date
Nov 22, 1994
Idemitsu Kosan Co., Ltd.
Hisahiro Higashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescence device with oligomers
Patent number
5,142,343
Issue date
Aug 25, 1992
Idemitsu Kosan Co., Ltd.
Chishio Hosokawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device
Patent number
5,130,603
Issue date
Jul 14, 1992
Idemitsu Kosan Co., Ltd.
Hiroshi Tokailin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electroluminescence device having an organic electroluminescent ele...
Patent number
5,121,029
Issue date
Jun 9, 1992
Idemitsu Kosan Co., Ltd.
Chishio Hosokawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Organic electroluminescence device
Publication number
20100201255
Publication date
Aug 12, 2010
IDEMITSU KOSAN CO., LTD.
Chishio Hosokawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Organic electroluminescence device with organic compound layer cont...
Publication number
20060159959
Publication date
Jul 20, 2006
IDEMITSU KOSAN CO., LTD.
Hisahiro Higashi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Organic electroluminescence device
Publication number
20050238921
Publication date
Oct 27, 2005
IDEMITSU KOSAN CO., LTD.
Chishio Hosokawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Organic electroluminescence device
Publication number
20040007971
Publication date
Jan 15, 2004
Idemitsu Kosan Co., Ltd.
Hisahiro Higashi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Organic electroluminescent device
Publication number
20020136924
Publication date
Sep 26, 2002
Idemitsu Kosan Co., Ltd.
Hisahiro Higashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Organic electroluminescent device
Publication number
20010019783
Publication date
Sep 6, 2001
Idemitsu Kosan Co., Ltd.
Toshio Sakai
C07 - ORGANIC CHEMISTRY