Sang-Won KO

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20240032321
- Publication date Jan 25, 2024
- Hodogaya Chemical Co., Ltd.
- Kazuyuki SURUGA
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20230345817
- Publication date Oct 26, 2023
- Hodogaya Chemical Co., Ltd.
- Junichi IZUMIDA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ARYLAMINE COMPOUND AND ELECTRONIC APPARATUS USING SAME
- Publication number 20230099897
- Publication date Mar 30, 2023
- Hodogaya Chemical Co., Ltd.
- Kouki KASE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT
- Publication number 20200365813
- Publication date Nov 19, 2020
- Hodogaya Chemical Co., Ltd.
- Kazuyuki SURUGA
- H01 - BASIC ELECTRIC ELEMENTS