Yoshimi ISHIGURO

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Atsugi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heterocyclic compound, light-emitting element, light-emitting devic...
- Patent number 11,522,138
- Issue date Dec 6, 2022
- Semiconductor Energy Laboratory Co., Ltd.
- Sachiko Kawakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heterocyclic compound, light-emitting element, light-emitting devic...
- Patent number 10,811,617
- Issue date Oct 20, 2020
- Semiconductor Energy Laboratory Co., Ltd.
- Sachiko Kawakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heterocyclic compound, light-emitting element, light-emitting devic...
- Patent number 9,997,725
- Issue date Jun 12, 2018
- Semiconductor Energy Laboratory Co., Ltd.
- Sachiko Kawakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic compound, light-emitting element, light-emitting device, el...
- Patent number 9,887,369
- Issue date Feb 6, 2018
- Semiconductor Energy Laboratory Co., Ltd.
- Yoshimi Ishiguro
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
HETEROCYCLIC COMPOUND, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVIC...
- Publication number 20180287074
- Publication date Oct 4, 2018
- Semiconductor Energy Laboratory Co., Ltd.
- Sachiko KAWAKAMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Heterocyclic Compound, Light-Emitting Element, Light-Emitting Devic...
- Publication number 20170117487
- Publication date Apr 27, 2017
- SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
- Sachiko Kawakami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
HETEROCYCLIC COMPOUND, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVIC...
- Publication number 20160380212
- Publication date Dec 29, 2016
- Semiconductor Energy Laboratory Co., Ltd.
- Sachiko KAWAKAMI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Organic Compound, Light-Emitting Element, Light-Emitting Device, El...
- Publication number 20150060824
- Publication date Mar 5, 2015
- SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
- Yoshimi Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Organic Compound, Light-Emitting Element, Light-Emitting Device, El...
- Publication number 20150060818
- Publication date Mar 5, 2015
- Semiconductor Energy Laboratory Co., Ltd
- Yoshimi Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS