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Patents Grants
last 30 patents
Information
Patent Grant
Polymer compound, luminescent material, and light emitting device
Patent number
9,976,078
Issue date
May 22, 2018
Sumitomo Chemical Company, Limited
Nobuhiko Akino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymer compound and light emitting element using same
Patent number
9,929,347
Issue date
Mar 27, 2018
SUMITOMO CHEMICAL COMPANY, LIMTIED
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymer compound, luminescent material, and light emitting device
Patent number
9,315,723
Issue date
Apr 19, 2016
Sumitomo Chemical Company, Limited
Nobuhiko Akino
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Metal complex and device using the metal complex
Patent number
9,287,514
Issue date
Mar 15, 2016
Sumitomo Chemical Company, Limited
Noboru Kitamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Composition containing a metal complex and organic compound, and li...
Patent number
9,048,442
Issue date
Jun 2, 2015
Sumitomo Chemical Company, Limited
Kohei Asada
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer and polymer light emitting device using the same
Patent number
8,889,265
Issue date
Nov 18, 2014
Sumitomo Chemical Company, Limited
Tomoyuki Suzuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and polymer light-emitting device using the same
Patent number
8,519,092
Issue date
Aug 27, 2013
Sumitomo Chemical Company, Limited
Makoto Kitano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer material and device using the same
Patent number
8,274,074
Issue date
Sep 25, 2012
Sumitomo Chemical Company, Limited
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and polymer light-emitting device using the same
Patent number
8,263,735
Issue date
Sep 11, 2012
Sumitomo Chemical Company, Limited
Makoto Kitano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer light-emitting material comprising a conjugated polymer and...
Patent number
8,142,908
Issue date
Mar 27, 2012
Sumitomo Chemical Company, Limited
Tomoya Nakatani
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer film and polymer film device using the same
Patent number
8,017,721
Issue date
Sep 13, 2011
Sumitomo Chemical Company, Limited
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer compound and polymer light-emitting device using the same
Patent number
7,772,360
Issue date
Aug 10, 2010
Sumitomo Chemical Company, Limited
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer film and polymer film device using same
Patent number
7,452,961
Issue date
Nov 18, 2008
Sumitomo Chemical Company, Limited
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer compound and polymer light emitting device using the same
Patent number
7,208,567
Issue date
Apr 24, 2007
Sumitomo Chemical Company, Limited
Jun Oguma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer and polymeric luminescent element comprising the same
Patent number
7,157,154
Issue date
Jan 2, 2007
Sumitomo Chemical Company, Limited
Kohei Tamao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dibenzothiophene oxide compound, and process for producing the same
Patent number
7,135,579
Issue date
Nov 14, 2006
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
COMPOUND HAVING PHENYLACETYLENE STRUCTURE, LIQUID CRYSTAL COMPOSITI...
Patent number
6,849,202
Issue date
Feb 1, 2005
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenylacetylene compound, liquid crystal composition, polymer, opti...
Patent number
6,673,267
Issue date
Jan 6, 2004
Sumitomo Chemical Company, Limited
Chizu Sekine
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phenylacetylene compound, liquid crystal composition, and liquid cr...
Patent number
6,623,810
Issue date
Sep 23, 2003
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystal, liquid crystal mixture having Tau-V min mode drivin...
Patent number
6,246,452
Issue date
Jun 12, 2001
Sumitomo Chemical Company, Limited
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phenylacetylene compound and liquid crystal composition comprising...
Patent number
6,149,837
Issue date
Nov 21, 2000
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Trans-olefin compounds, method for production thereof, liquid cryst...
Patent number
6,030,546
Issue date
Feb 29, 2000
Sumitomo Chemical Company, Limited
Yukari Fujimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystal mixture and liquid crystal device comprising the same
Patent number
5,866,035
Issue date
Feb 2, 1999
Sumitomo Chemical Company, Limited
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Fluorine-containing optically active compound, process for preparin...
Patent number
5,779,934
Issue date
Jul 14, 1998
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystal mixture and liquid crystal device comprising the same
Patent number
5,762,825
Issue date
Jun 9, 1998
Sumitomo Chemical Company, Limited
Yoshiaki Tsubata
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Optically active biphenyl derivative, process for preparation there...
Patent number
5,741,438
Issue date
Apr 21, 1998
Sumitomo Chemical Company, Limited
Isao Kurimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alcohol reactants for forming phenylpyrimidine derivatives and proc...
Patent number
5,723,610
Issue date
Mar 3, 1998
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Trans-olefin compounds, method for production thereof, liquid cryst...
Patent number
5,707,547
Issue date
Jan 13, 1998
Sumitomo Chemical Company, Limited
Yukari Fujimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystal mixture and liquid crystal element comprsing the same
Patent number
5,545,345
Issue date
Aug 13, 1996
Sumitomo Chemical Company, Limited
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phenylpyrimidine derivatives, process for preparing the same, liqui...
Patent number
5,539,115
Issue date
Jul 23, 1996
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
POLYMER COMPOUND, LUMINESCENT MATERIAL, AND LIGHT EMITTING DEVICE
Publication number
20160186051
Publication date
Jun 30, 2016
Sumitomo Chemical Company, Limited
Nobuhiko AKINO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYMER COMPOUND AND LIGHT EMITTING ELEMENT USING SAME
Publication number
20150115204
Publication date
Apr 30, 2015
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METAL COMPLEX AND DEVICE USING THE METAL COMPLEX
Publication number
20130168615
Publication date
Jul 4, 2013
National University Corporation Hokkaido University
Noboru Kitamura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME
Publication number
20120293749
Publication date
Nov 22, 2012
Sumitomo Chemical Company, Limited
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METAL COMPLEX COMPOSITION AND COMPLEX POLYMER
Publication number
20120211707
Publication date
Aug 23, 2012
NATIONAL INST. OF ADV. IND. SCI. AND TECH.
Hideo Konno
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COMPOSITION CONTAINING A METAL COMPLEX AND ORGANIC COMPOUND, AND LI...
Publication number
20110114890
Publication date
May 19, 2011
SUMITOMO CHEMICAL COMPANY, LIMITED
Kohei Asada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER MATERIAL AND DEVICE USING THE SAME
Publication number
20100283038
Publication date
Nov 11, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Chizu Sekine
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METAL COMPLEX, LIGHT-EMITTING MATERIAL, AND LIGHT-EMITTING DEVICE
Publication number
20100264812
Publication date
Oct 21, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Nobuhiko Akino
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LIGHT-EMITTING MATERIAL CONTAINING METAL COMPLEX AND PHOTOELECTRIC...
Publication number
20100177264
Publication date
Jul 15, 2010
SUMITOMO CHECMICAL COMPANY, LIMITED
Taro Tsubomura
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME
Publication number
20100133997
Publication date
Jun 3, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PYRENE POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20100109517
Publication date
May 6, 2010
SUMITOMO CHEMICAL COMPANY LIMITED
Daisuke Fukushima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND COMPOSITION CONTAINING THE SAME
Publication number
20100033086
Publication date
Feb 11, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Satoshi Mikami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METAL COMPLEX, POLYMER COMPOUND, AND DEVICE CONTAINING IT
Publication number
20090043064
Publication date
Feb 12, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Nobuhiko Akino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER FILM AND POLYMER FILM DEVICE USING THE SAME
Publication number
20080265246
Publication date
Oct 30, 2008
SUMITOMO CHEMICAL COMPANY, LIMITED
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer Compound, Luminescent Material, and Light Emitting Element
Publication number
20080254320
Publication date
Oct 16, 2008
SUMITOMO CHEMICAL COMPANY, LIMITED
Nobuhiko Akino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Light-Emitting Material and Light-Emitting Device Using the Same
Publication number
20080248220
Publication date
Oct 9, 2008
Sumitomo Chemical Company,Limited
Chizu Sekine
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DIBENZOTHIOPHENE OXIDE COMPOUND, AND PROCESS FOR PRODUCING THE SAME
Publication number
20080139824
Publication date
Jun 12, 2008
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymer Material and Device Using the Same
Publication number
20080100199
Publication date
May 1, 2008
Chizu Sekine
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Composition and polymer light-emitting device
Publication number
20070103059
Publication date
May 10, 2007
Sumitomo Chemical Company, Limited
Yoshiaki Tsubata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COMPOUND HAVING PHENYLACETYLENE STRUCTURE, LIQUID CRYSTAL COMPOSITI...
Publication number
20070057229
Publication date
Mar 15, 2007
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymer light-emitting material and polymer light-emitting device
Publication number
20070051922
Publication date
Mar 8, 2007
Tomoya Nakatani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer thin and polymer thin film device using same
Publication number
20060043358
Publication date
Mar 2, 2006
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer and polymeric luminescent element comprising the same
Publication number
20050170202
Publication date
Aug 4, 2005
Sumitomo Chemical Company, Limited
Kohei Tamao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Copolymer and polymer light emitting device using the same
Publication number
20050153167
Publication date
Jul 14, 2005
Sumitomo Chemical Company, Limited
Tomoyuki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Compound having phenylacetylene structure, liquid crystal compositi...
Publication number
20040232384
Publication date
Nov 25, 2004
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymer compound and polymer light-emitting device using the same
Publication number
20040109955
Publication date
Jun 10, 2004
Sumitomo Chemical Company, Limited
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer compound and polymer light emitting device using the same
Publication number
20040002576
Publication date
Jan 1, 2004
Sumitomo Chemical Company, Limited
Jun Oguma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Compound having phenylacetylene structure, liquid crystal compositi...
Publication number
20020110650
Publication date
Aug 15, 2002
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Phenylacetylene compound, liquid crystal composition, polymer, opti...
Publication number
20020006479
Publication date
Jan 17, 2002
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Phenylacetylene compound, liquid crystal composition, and liquid cr...
Publication number
20010050353
Publication date
Dec 13, 2001
Chizu Sekine
C07 - ORGANIC CHEMISTRY