Masahiro KAWAMURA

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Sodegaura-shi, CH

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Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescent element and electronic device
- Patent number 12,022,728
- Issue date Jun 25, 2024
- Idemitsu Kosan Co., Ltd.
- Ryota Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescent element and electronic device
- Patent number 11,552,251
- Issue date Jan 10, 2023
- Idemitsu Kosan Co., Ltd.
- Ryota Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitrogen-containing heterocyclic compounds for organic light emitti...
- Patent number 11,289,661
- Issue date Mar 29, 2022
- Idemitsu Kosan Co., Ltd.
- Michelle Groarke
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
- Publication number 20220278283
- Publication date Sep 1, 2022
- Idemitsu Kosan Co., Ltd.
- Ryota TAKAHASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITROGEN-CONTAINING HETEROCYCLIC COMPOUNDS FOR ORGANIC LIGHT EMITTI...
- Publication number 20200058881
- Publication date Feb 20, 2020
- IDEMITSU KOSAN CO., LTD.
- Michelle GROARKE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SPECIFICALLY SUBSTITUTED BENZOFURO- AND BENZOTHIENOQUINOLINES FOR O...
- Publication number 20190161497
- Publication date May 30, 2019
- IDEMITSU KOSAN CO., LTD.
- Yuichi NISHIMAE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
- Publication number 20190051835
- Publication date Feb 14, 2019
- IDEMITSU KOSAN CO., LTD.
- Ryota TAKAHASHI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
BENZIMIDAZOLE FUSED HETEROARYLS
- Publication number 20180319813
- Publication date Nov 8, 2018
- IDEMITSU KOSAN CO., LTD.
- Yuichi NISHIMAE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BENZIMIDAZOLO[1,2-A]BENZIMIDAZOLE CARRYING BENZIMIDAZOLO[1,2-A]BENZ...
- Publication number 20180277768
- Publication date Sep 27, 2018
- IDEMITSU KOSAN CO., LTD.
- Thomas SCHAEFER
- C07 - ORGANIC CHEMISTRY