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Keitaro YAMADA
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Sodegaura-shi, JP
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last 30 patents
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Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISP...
Publication number
20240147843
Publication date
May 2, 2024
Idemitsu Kosan Co., Ltd.
Satomi TASAKI
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20240130224
Publication date
Apr 18, 2024
IDEMITSU KOSAN CO., LTD.
Hiroaki TOYOSHIMA
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Patent Application
COMPOSITION, AND ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20230210002
Publication date
Jun 29, 2023
Idemitsu Kosan Co.,Ltd
Shota TANAKA
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Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS
Publication number
20220238814
Publication date
Jul 28, 2022
Idemitsu Kosan Co.,Ltd
Keitaro YAMADA
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISP...
Publication number
20220231231
Publication date
Jul 21, 2022
Idemitsu Kosan Co.,Ltd
Masato NAKAMURA
H01 - BASIC ELECTRIC ELEMENTS