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Takahiro Ueoka
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing liquid composition
Patent number
11,046,886
Issue date
Jun 29, 2021
Sumitomo Chemical Company, Limited
Sadamu Yoshida
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Composition and light emitting device using the same
Patent number
10,756,269
Issue date
Aug 25, 2020
Sumitomo Chemical Company, Limited
Hiroyuki Saito
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric light emitting substance and polymer light emitting devic...
Patent number
10,141,513
Issue date
Nov 27, 2018
SUMITOMO CHEMICAL COMPANY, LIMITED
Hideyuki Ikehira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric light emitting substance and polymer light emitting devic...
Patent number
7,947,340
Issue date
May 24, 2011
Sumitomo Chemical Company, Limited
Hideyuki Ikehira
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 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
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
Bis (diphenylvinyl) arene compound
Patent number
6,875,895
Issue date
Apr 5, 2005
Sumitomo Chemical Company, Limited
Takahiro Ueoka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing bromo-aromatic condensed ring compound
Patent number
6,528,692
Issue date
Mar 4, 2003
Sumitomo Chemical Company, Limited
Takahiro Ueoka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymeric fluorescent substance and polymer light-emitting device u...
Patent number
6,444,334
Issue date
Sep 3, 2002
Sumitomo Chemical Company, Limited
Shuji Doi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING LIQUID COMPOSITION
Publication number
20200199444
Publication date
Jun 25, 2020
Sumitomo Chemical Company, Limited
Sadamu YOSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITION AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20180047903
Publication date
Feb 15, 2018
Sumitomo Chemical Company, Limited
Hiroyuki SAITO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC-ELECTROLUMINESCENT-ELEMENT LIQUID COMPOSITION PACKAGING
Publication number
20170237036
Publication date
Aug 17, 2017
Sumitomo Chemical Company, Limited
Takahiro UEOKA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYMERIC LIGHT EMITTING SUBSTANCE AND POLYMER LIGHT EMITTING DEVIC...
Publication number
20140183508
Publication date
Jul 3, 2014
Sumitomo Chemical Company, Limited
Hideyuki Ikehira
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYMERIC LIGHT EMITTING SUBSTANCE AND POLYMER LIGHT EMITTING DEVIC...
Publication number
20110187969
Publication date
Aug 4, 2011
Sumitomo Chemical Company, Limited
Hideyuki Ikehira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer Compound and Polymer Light-Emitting Device Using the Same
Publication number
20080233429
Publication date
Sep 25, 2008
Sumitomo Chemical Company, Limited
Jun Oguma
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
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
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
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
Bis (diphenylvinyl) arene compound
Publication number
20030100786
Publication date
May 29, 2003
Sumitomo Chemical Company, Limited
Takahiro Ueoka
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymeric light emitting substance and polymer light emitting devic...
Publication number
20020193532
Publication date
Dec 19, 2002
Sumitomo Chemical Company, Limited
Hideyuki Ikehira
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...
Information
Patent Application
PROCESS FOR PRODUCING BROMO-AROMATIC CONDENSED RING COMPOUND
Publication number
20020137975
Publication date
Sep 26, 2002
Sumitomo Chemical Company, Limited
Takahiro Ueoka
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymeric fluorescent substance and polymer light-emitting device u...
Publication number
20020122899
Publication date
Sep 5, 2002
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
20020058157
Publication date
May 16, 2002
Sumitomo Chemical Company, Limited
Shuji Doi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...