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Ken Sakakibara
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polymer compound and light-emitting element using same
Patent number
10,654,967
Issue date
May 19, 2020
Sumitomo Chemical Company, Limited
Mio Shiratori
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and light emitting device using the same
Patent number
10,336,860
Issue date
Jul 2, 2019
Sumitomo Chemical Company, Limited
Ken Sakakibara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition for forming conductive film
Patent number
9,758,688
Issue date
Sep 12, 2017
Sumitomo Chemical Company, Limited
Takayuki Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electroluminescent composition and electric device with high bright...
Patent number
9,601,696
Issue date
Mar 21, 2017
Sumitomo Chemical Company, Limited
Masanobu Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Aryl compounds for application in a highly polar solvent
Patent number
9,520,569
Issue date
Dec 13, 2016
Sumitomo Chemical Company, Limited
Ken Sakakibara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Layered structure, polymer, electroluminescent device, and photoele...
Patent number
9,455,408
Issue date
Sep 27, 2016
Sumitomo Chemical Company, Limited
Masanobu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electronic device, polymer compound, organic compound, and method o...
Patent number
9,306,169
Issue date
Apr 5, 2016
Sumitomo Chemical Company, Limited
Masanobu Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electronic device and polymer compound
Patent number
9,306,170
Issue date
Apr 5, 2016
Sumitomo Chemical Company, Limited
Masanobu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
PRODUCTION METHOD OF POLYMER COMPOUND
Publication number
20220017687
Publication date
Jan 20, 2022
Sumitomo Chemical Company, Limited
Ken SAKAKIBARA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND LIGHT-EMITTING ELEMENT USING SAME
Publication number
20180230264
Publication date
Aug 16, 2018
Sumitomo Chemical Company, Limited
Mio SHIRATORI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20170283546
Publication date
Oct 5, 2017
SUMITOMO CHEMICAL COMPANY, LIMITED
Ken SAKAKIBARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITION FOR FORMING CONDUCTIVE FILM
Publication number
20150275015
Publication date
Oct 1, 2015
Sumitomo Chemical Company, Limited
Takayuki Iijima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOUND
Publication number
20140231717
Publication date
Aug 21, 2014
Sumitomo Chemical Company, Limited
Ken Sakakibara
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ELECTRONIC DEVICE AND POLYMER COMPOUND
Publication number
20140039131
Publication date
Feb 6, 2014
SUMITOMO CHEMICAL COMPANY, LIMITED
Masanobu Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC DEVICE, POLYMER COMPOUND, ORGANIC COMPOUND, AND METHOD O...
Publication number
20140024785
Publication date
Jan 23, 2014
SUMITOMO CHEMICAL COMPANY, LIMITED
Masanobu Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ELECTROLUMINESCENT COMPOSITION AND ELECTRIC DEVICE WITH HIGH BRIGHT...
Publication number
20140008637
Publication date
Jan 9, 2014
SUMITOMO CHEMICAL COMPANY, LIMITED
Masanobu Tanaka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
LAYERED STRUCTURE, POLYMER, ELECTROLUMINESCENT DEVICE, AND PHOTOELE...
Publication number
20120181529
Publication date
Jul 19, 2012
SUMITOMO CHEMICAL COMPANY, LIMITED
Masanobu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...