Kumiko Gorai

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Biscarbazole derivative and organic electroluminescent element usin...
- Patent number 11,271,171
- Issue date Mar 8, 2022
- Idemitsu Kosan Co., Ltd.
- Tetsuya Inoue
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Biscarbazole derivatives and organic electroluminescence device emp...
- Patent number 10,230,057
- Issue date Mar 12, 2019
- Idemitsu Kosan Co., Ltd.
- Tetsuya Inoue
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Biscarbazole derivative and organic electroluminescent element usin...
- Patent number 10,147,889
- Issue date Dec 4, 2018
- Idemitsu Kosan Co., Ltd.
- Tetsuya Inoue
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Biscarbazole derivatives and organic electroluminescence device emp...
- Patent number 9,818,958
- Issue date Nov 14, 2017
- Idemitsu Kosan Co., Ltd.
- Tetsuya Inoue
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Biscarbazole derivatives and organic electroluminescence device emp...
- Patent number 9,373,802
- Issue date Jun 21, 2016
- Idemitsu Kosan Co., Ltd.
- Tetsuya Inoue
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE DEVICE EMP...
- Publication number 20180047917
- Publication date Feb 15, 2018
- IDEMITSU KOSAN CO., LTD.
- Tetsuya INOUE
- B82 - NANO-TECHNOLOGY
Information Patent Application
BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE DEVICE EMP...
- Publication number 20160240795
- Publication date Aug 18, 2016
- IDEMITSU KOSAN CO., LTD.
- Tetsuya Inoue
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...