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Kiyotoshi Iimura
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Ibaraki, JP
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Patents Grants
last 30 patents
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Patent Grant
Polymer composition and polymer light-emitting device using same
Patent number
9,045,613
Issue date
Jun 2, 2015
Sumitomo Chemical Company, Limited
Tomoyuki Suzuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Solution composition and polymer light-emitting device
Patent number
7,910,025
Issue date
Mar 22, 2011
Sumitomo Chemical Co., Ltd.
Tomoyuki Suzuki
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Light scattering resin layer, color filter and liquid crystal displ...
Patent number
6,416,910
Issue date
Jul 9, 2002
Sumitomo Chemical Company, Limited
Kiyotoshi Iimura
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
POLYMER COMPOSITION AND POLYMER LIGHT-EMITTING DEVICE USING SAME
Publication number
20150228901
Publication date
Aug 13, 2015
Sumitomo Chemical Company, Limited
Tomoyuki SUZUKI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SOLUTION COMPOSITION AND POLYMER LIGHT-EMITTING DEVICE
Publication number
20110121278
Publication date
May 26, 2011
SUMITOMO CHEMICAL CO., LTD.
Tomoyuki Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Polymer Composition And Polymer Light-Emitting Device Using Same
Publication number
20090103284
Publication date
Apr 23, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Tomoyuki Suzuki
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
Solution Composition And Polymer Light-Emitting Device
Publication number
20080061673
Publication date
Mar 13, 2008
SUMITOMO CHEMICAL CO., LTD.
Tomoyuki Suzuki
H01 - BASIC ELECTRIC ELEMENTS