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Tsukuba-shi, Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polymer compound and light emitting device using the same
Patent number
10,370,484
Issue date
Aug 6, 2019
Sumitomo Chemical Company, Limited
Motoaki Usui
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and light emitting device using the same
Patent number
9,530,966
Issue date
Dec 27, 2016
Sumitomo Chemical Company, Limited
Motoaki Usui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymer compound having carbon cluster structure and organic device...
Patent number
9,269,905
Issue date
Feb 23, 2016
Sumitomo Chemical Company, Limited
Shin-Ya Tanaka
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
METAL COMPLEX, COMPOSITION AND LIGHT EMITTING ELEMENT
Publication number
20230192737
Publication date
Jun 22, 2023
SUMITOMO CHEMICAL COMPANY, LIMITED
Motoaki USUI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METAL COMPLEX, AND COMPOSITION AND LIGHT EMITTING DEVICE CONTAINING...
Publication number
20230070277
Publication date
Mar 9, 2023
SUMITOMO CHEMICAL COMPANY, LIMITED
Shin SUZUKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METAL COMPLEX AND LIGHT EMITTING DEVICE CONTAINING THE SAME
Publication number
20220403234
Publication date
Dec 22, 2022
SUMITOMO CHEMICAL COMPANY, LIMITED
Motoaki USUI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOUND AND LIGHT EMITTING ELEMENT USING SAME
Publication number
20220123220
Publication date
Apr 21, 2022
Sumitomo Chemical Company, Limited
Satoshi KOBAYASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITION AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20200407386
Publication date
Dec 31, 2020
Sumitomo Chemical Company, Limited
Motoaki USUI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LIGHT EMITTING DEVICE
Publication number
20200091438
Publication date
Mar 19, 2020
Sumitomo Chemical Company, Limited
Shinichi INAKAZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE
Publication number
20200052228
Publication date
Feb 13, 2020
Sumitomo Chemical Company, Limited
Motoaki USUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20170137566
Publication date
May 18, 2017
Sumitomo Chemical Company, Limited
Motoaki USUI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20160013418
Publication date
Jan 14, 2016
SUMITOMO CHEMICAL COMPANY, LIMITED
Motoaki USUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLYMER COMPOUND HAVING CARBON CLUSTER STRUCTURE AND ORGANIC DEVICE...
Publication number
20130270545
Publication date
Oct 17, 2013
SUMITOMO CHEMICAL COMPANY, LIMITED
Shin-Ya Tanaka
B82 - NANO-TECHNOLOGY