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James Lee
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Godmanchester, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Compounds for use in organic electronic devices
Patent number
11,634,420
Issue date
Apr 25, 2023
Sumitomo Chemical Company Limited
William Tarran
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting compound
Patent number
11,283,030
Issue date
Mar 22, 2022
Sumitomo Chemical Company Limited
James Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dibenzofuran and dibenzothiophene derivatives and organic light-emi...
Patent number
11,136,303
Issue date
Oct 5, 2021
Cambridge Display Technology Limited
Martin Humphries
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
DATA STORAGE METHOD AND COMPOSITION
Publication number
20220343946
Publication date
Oct 27, 2022
SUMITOMO CHEMICAL CO., LTD.
William Tarran
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOSITION AND ORGANIC LIGHT-EMITTING DEVICE
Publication number
20220048937
Publication date
Feb 17, 2022
SUMITOMO CHEMICAL CO., LTD.
Martin Humphries
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOTOACTIVE MATERIALS
Publication number
20210163677
Publication date
Jun 3, 2021
Sumitomo Chemical Company Limited
Kiran Kamtekar
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUNDS FOR USE IN ORGANIC ELECTRONIC DEVICES
Publication number
20200181145
Publication date
Jun 11, 2020
Sumitomo Chemical Company Limited
William Tarran
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DIBENZOFURAN AND DIBENZOTHIOPHENE DERIVATIVES AND ORGANIC LIGHT-EMI...
Publication number
20190084954
Publication date
Mar 21, 2019
Cambridge Display Technology Limited
Martin Humphries
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LIGHT-EMITTING COMPOUND
Publication number
20190016739
Publication date
Jan 17, 2019
Sumitomo Chemical Company Limited
James Lee
C07 - ORGANIC CHEMISTRY