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Patents Grants
last 30 patents
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
8,293,380
Issue date
Oct 23, 2012
Sumitomo Chemical Company, Limited
Takanobu Noguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and light emitting device using the same
Patent number
8,217,387
Issue date
Jul 10, 2012
Sumitomo Chemical Company, Limited
Takanobu Noguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and polymer light-emitting device using the same
Patent number
8,012,603
Issue date
Sep 6, 2011
Sumitomo Chemical Company, Limited
Shuji Doi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and polymer light emitting device using the same
Patent number
7,985,810
Issue date
Jul 26, 2011
Sumitomo Chemical Company, Limited
Takanobu Noguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer and polymer light emitting device using the same
Patent number
7,982,212
Issue date
Jul 19, 2011
Sumitomo Chemical Company, Limited
Tomoyuki Suzuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymeric fluorescent substance and polymer light-emitting device u...
Patent number
7,701,129
Issue date
Apr 20, 2010
Sumitomo Chemical Company, Limited
Shuji Doi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymer and polymer light-emitting device using the same
Patent number
7,662,478
Issue date
Feb 16, 2010
Sumitomo Chemical Company, Limited
Satoshi Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance and polymer light-emitting device
Patent number
7,396,571
Issue date
Jul 8, 2008
Sumitomo Chemical Company, Limited
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent material, process for producing the same, and...
Patent number
7,357,990
Issue date
Apr 15, 2008
Sumitomo Chemical Company, Limited
Shuji Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Processes for producing polymeric fluorescent material and polymeri...
Patent number
7,297,415
Issue date
Nov 20, 2007
Sumitomo Chemical Company, Limited
Takanobu Noguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymeric fluorescent substrate and polymer light-emitting device u...
Patent number
7,258,932
Issue date
Aug 21, 2007
Sumitomo Chemical Company, Limited
Takanobu Noguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymeric fluorescent substance and polymer light-emitting device u...
Patent number
7,255,936
Issue date
Aug 14, 2007
Sumitomo Chemical Company, Limited
Shuji Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance and polymer light-emitting device
Patent number
7,256,245
Issue date
Aug 14, 2007
Sumitomo Chemical Company, Limited
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance and polymer light-emitting device u...
Patent number
7,244,515
Issue date
Jul 17, 2007
Sumitomo Chemical Company, Limited
Shuji Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Block copolymer and polymeric luminescent element
Patent number
7,125,930
Issue date
Oct 24, 2006
Sumitomo Chemical Company, Limited
Takanobu Noguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymeric fluorescent substance and polymer light emitting device
Patent number
6,994,921
Issue date
Feb 7, 2006
Sumitomo Chemical Company
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance and polymer light emitting device
Patent number
6,984,459
Issue date
Jan 10, 2006
Sumito Chemical Company, Limited
Takanobu Noguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Copolymer, polymer composition and polymer light-emitting device
Patent number
6,926,973
Issue date
Aug 9, 2005
Sumitomo Chemical Company, Limited
Tomoyuki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance, production thereof and polymer lig...
Patent number
6,905,785
Issue date
Jun 14, 2005
Sumitomo Chemical Company, Limited
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hole transporting polymer and organic electroluminescence device us...
Patent number
6,841,269
Issue date
Jan 11, 2005
Sumitomo Chemical Company, Ltd.
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance, polymeric fluorescent substance an...
Patent number
6,720,091
Issue date
Apr 13, 2004
Sumitomo Chemical Company, Limited
Toshihiro Ohnishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance and polymer light-emitting device
Patent number
6,602,969
Issue date
Aug 5, 2003
Sumitomo Chemical Company, Limited
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hole transporting polymer and organic electroluminescence device us...
Patent number
6,544,670
Issue date
Apr 8, 2003
Sumitomo Chemical Company, Ltd.
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance and polymer light emitting device
Patent number
6,521,359
Issue date
Feb 18, 2003
Sumitomo Chemical Company, Limited
Takanobu Noguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymer light emitting device
Patent number
6,403,236
Issue date
Jun 11, 2002
Sumitomo Chemical Company, Limited
Toshihiro Ohnishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymeric fluorescent substance and organic electroluminescence device
Patent number
6,403,237
Issue date
Jun 11, 2002
Sumitomo Chemical Co., Ltd.
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer fluorescent substance and organic electroluminescence device
Patent number
6,207,301
Issue date
Mar 27, 2001
Sumitomo Chemical Company, Limited
Toshihiro Ohnishi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymeric fluorescent substance and organic electroluminescence device
Patent number
5,980,781
Issue date
Nov 9, 1999
Sumitomo Chemical Company, Limited
Shuji Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric fluorescent substance, production process thereof and org...
Patent number
5,821,002
Issue date
Oct 13, 1998
Sumitomo Chemical Company
Toshihiro Ohnishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLYMER COMPOUND AND POLYMER LIGHT EMITTING DEVICE USING THE SAME
Publication number
20130002989
Publication date
Jan 3, 2013
Sumitomo Chemical Company, Limited
Takanobu NOGUCHI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME
Publication number
20120008068
Publication date
Jan 12, 2012
Sumitomo Chemical Company, Limited
Shuji DOI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PHOTOELECTRIC CONVERSION ELEMENT
Publication number
20110127515
Publication date
Jun 2, 2011
SUMITOMO CHEMICAL COMPANY, LIMITED
Kunihito Miyake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND ORGANIC PHOTOELECTRIC CONVERTER USING THE SAME
Publication number
20110114183
Publication date
May 19, 2011
SUMITOMO CHEMICAL COMPANY, LIMITED
Yasunori Uetani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ORGANIC PHOTOELECTRIC CONVERSION ELEMENT
Publication number
20110101325
Publication date
May 5, 2011
Sumitomo Chemical Company, Limited
Yasunori Uetani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER AND POLYMERIC LUMINESCENT ELEMENT EMPLOYING THE SAME
Publication number
20100301310
Publication date
Dec 2, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND POLYMER LIGHT EMITTING DEVICE USING THE SAME
Publication number
20100288339
Publication date
Nov 18, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND METHOD FOR PRODUCING THE SAME, AND LIGHT-EMITT...
Publication number
20100289011
Publication date
Nov 18, 2010
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND METHOD FOR PRODUCING THE SAME, AND LIGHT-EMITT...
Publication number
20100212726
Publication date
Aug 26, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COPOLYMER AND POLYMER LIGHT EMITTING DEVICE USING THE SAME
Publication number
20100176376
Publication date
Jul 15, 2010
SUMITOMO CHEMICAL COMPANY , LIMITED
Tomoyuki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer Compound and Method for producing the same, and Light Emitt...
Publication number
20100164370
Publication date
Jul 1, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND METHOD FOR PRODUCING THE SAME, AND LIGHT-EMITT...
Publication number
20100140601
Publication date
Jun 10, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20100001263
Publication date
Jan 7, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND POLYMER LIGHT EMITTING DEVICE USING THE SAME
Publication number
20090056811
Publication date
Mar 5, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer Compound And Polymer Light-Emitting Device Using The Same
Publication number
20080138651
Publication date
Jun 12, 2008
Shuji Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NEW POLYMER AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME
Publication number
20080103278
Publication date
May 1, 2008
Sumitomo Chemical Company, Limited
Satoshi Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer Compound and Polymer Light Emitting Device Using the Same
Publication number
20080088228
Publication date
Apr 17, 2008
DSUMITOMO CHEMICAL COMPANY LIMITED
Takanobu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymeric fluorescent substance and polymer light-emitting device
Publication number
20070248842
Publication date
Oct 25, 2007
Sumitomo Chemical Company, Limited
Masato Ueda
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
New polymer and polymer light-emitting device using the same
Publication number
20050042195
Publication date
Feb 24, 2005
Sumitomo Chemical Company, Limited
Satoshi Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymeric fluorescent material, process for producing the same, and...
Publication number
20040234810
Publication date
Nov 25, 2004
Shuji Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Processes for producing polymeric fluorescent material and polymeri...
Publication number
20040219388
Publication date
Nov 4, 2004
Takanobu Noguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Block copolymer and polymeric luminescent element
Publication number
20040100804
Publication date
May 27, 2004
Takanobu Noguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Hole transporting polymer and organic electroluminescence device us...
Publication number
20030211358
Publication date
Nov 13, 2003
SUMITOMO CHEMICAL COMPANY, LTD
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymeric fluorescent substance and polymer light-emitting device
Publication number
20030212247
Publication date
Nov 13, 2003
Sumitomo Chemical Company, Limited
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
New polymer and polymer light-emitting device using the same
Publication number
20030168656
Publication date
Sep 11, 2003
Sumitomo Chemical Company, Limited
Satoshi Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Copolymer, polymer composition and polymer light-emitting device
Publication number
20030143429
Publication date
Jul 31, 2003
Sumitomo Chemical Company, Limited
Tomoyuki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymeric fluorescent substrate and polymer light-emitting device u...
Publication number
20030068527
Publication date
Apr 10, 2003
Sumitomo Chemical Company, Limited
Takanobu Noguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Polymeric fluorescent substance and polymer light-emitting device u...
Publication number
20030064247
Publication date
Apr 3, 2003
Sumitomo Chemical Company, Limited
Shuji Doi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Polymeric fluorescent substance and polymer light-emitting device u...
Publication number
20020185635
Publication date
Dec 12, 2002
Sumitomo Chemical Company, Limited
Shuji Doi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...