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Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescent element
- Patent number 11,723,263
- Issue date Aug 8, 2023
- Kwansei Gakuin Educational Foundation
- Takuji Hatakeyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycyclic aromatic compound for organic electroluminescent device
- Patent number 11,600,790
- Issue date Mar 7, 2023
- Kwansei Gakuin Educational Foundation
- Takuji Hatakeyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
CYCLOALKANE-FUSED POLYCYCLIC AROMATIC COMPOUND
- Publication number 20230096132
- Publication date Mar 30, 2023
- Kwansei Gakuin Educational Foundation
- Takuji HATAKEYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYCYCLIC AROMATIC COMPOUND
- Publication number 20210167288
- Publication date Jun 3, 2021
- KWANSEI GAKUIN EDUCATIONAL FOUNDATION
- Takuji Hatakeyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20190207112
- Publication date Jul 4, 2019
- KWANSEI GAKUIN EDUCATIONAL FOUNDATION
- Takuji Hatakeyama
- C07 - ORGANIC CHEMISTRY