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Beijing, CN
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last 30 patents
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Patent Application
MIXTURE INCLUDING 5- AND/OR 6-MEMBERED RING FUSED STRUCTURE, COMPOS...
Publication number
20240415015
Publication date
Dec 12, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Le WANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20240276869
Publication date
Aug 15, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Renjie ZHENG
Information
Patent Application
ELECTROLUMINESCENT DEVICE
Publication number
20240260447
Publication date
Aug 1, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Qi Zhang
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20240251579
Publication date
Jul 25, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Menglan Xie
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Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20240065100
Publication date
Feb 22, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Qiang Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Publication number
20240016057
Publication date
Jan 11, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Feng Li
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230309394
Publication date
Sep 28, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Chi Yuen Raymond KWONG
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Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230301189
Publication date
Sep 21, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Qiang Wang
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230200227
Publication date
Jun 22, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Ziyan Zhang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230136831
Publication date
May 4, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Le Wang
H01 - BASIC ELECTRIC ELEMENTS